IX Standard - Dept of Technical Education
Transcription
IX Standard - Dept of Technical Education
Course Title: Elements of Mechanical & Electrical Engineering - 1 Periods (L:T:P) : 4:0:0 :: L-Lecture, T-Tutorial, P-Practical. Course: JTS (IX std ) Total Contact Periods: 112 PART-A Elements of Mechanical Engineering Prerequisites: Knowledge of Primary School Science and Mathematics Course Objectives: Understand the basics in Mechanical and Electrical Engineering Course Outcomes: At the end of the course, the students will be able to 1. Know the Elements of mechanical Transmission of Power 2. Understand the formation of steam, its properties and working principle of steam Boiler And Steam Turbine 3. Know the working principle of Hydraulic Turbines and Pumps 4. Understand the concept of Electricity, work, power, energy, Solve simple problems on Ohm’s law, 5. Know the concepts of magnetism and electromagnetism 6. Appreciate the semi-conductor in Electronics Unit-1 Transmission of Power: Know the Classification of power Transmission systems, understand Open Belt drive, Crossed Belt drive, V – Belt Drive, stepped cone pulley, explain velocity ratio of belt drive with simple problems, understand the chain drive, advantage & disadvantage of chain drive, explain Gear drive, types of gear drives, advantage & disadvantage of gear drive. (15 periods) Unit-2 Steam Formation: Understand the Formation of steam, define wet steam, dryness fraction, dry saturated steam, superheated steam and know the advantages of super heated steam. (08 periods) Steam Boilers and Steam Turbines: Know the classification of Boiler, Compare water tube boiler & fire tube boiler, explain the working of Simple vertical boiler. List the functions of boiler mountings & accessories , know the Classification of steam Turbines, Compare impulse & reaction turbine. (15 periods) Directorate Of Technical Education Karnataka State Page 1 Unit-3 Hydraulic Turbines: Classification of Hydraulic Turbines, Comparison between reaction and impulse turbine, working principle of Pelton Wheel, (10 periods) Hydraulic Pumps: Classification of hydraulic pumps, working principle of Reciprocating pump, Centrifugal pump. (08 periods) PART-B Elements of Electrical Engineering Unit -1 Concept of Electricity: Introduction to electricity, advantages and applications of electrical energy. Sources of electrical energy. Concept of electrical current, its SI unit. Definition of e.m.f, potential difference, its unit. Instruments used for measurement of current and voltage. A practical electrical circuit diagram consisting of source, fuse, switch and load. Definition of conductor and insulator with examples (15 periods) Electrical Resistance and Circuits: Definition of resistance and its SI unit, laws of resistance, Ohm’s law – applications, limitations with simple problems. Determination of equivalent resistance for resistances connected in series and parallel with simple problems. (12periods) Unit -2 Work, Power and Energy: Definitions of work, Electric power, Electrical energy and their SI units with simple problems. Relationship between Horse-Power and Kilo-Watt. (10periods) Magnetism and Electromagnetism: Introduction to magnetism, permanent-magnet and electro-magnet with uses. Definitions of magnetic field, magnetic flux, flux density, m.m.f, reluctance and their SI units. Determination of direction of magnetic field by right hand thumb rule and cork-screw rule. (12 periods) Unit -3 Electronics: semi-conductor- Definition, types- Intrinsic and Extrinsic semi-conductors. Concept of doping. P-type and N-type materials, (7 periods) Directorate Of Technical Education Karnataka State Page 2 References: 1.K.R.Gopalakrishna“Mechanical Engineering Science” Subhas Publications, 2010. 2.Dr.R.K.Hegde,”Elements of Mechanical Engineering”, Subhas Publications, 2014 3. Bannapurmath V.S.yaliwal.”Basic Machincal Engneering “,Vikas publishing -2015 4. Principles of Electrical Engineering and Electronics – V.K.Mehta, Rohit Mehta. (S.Chand & Co. Pvt. Ltd.) 5. ABC of Electrical Engineering.- B.L. Thareja & A.K. Thereja (S.Chand & Co. Pvt. Ltd.) 6. Elements of Electrical Engg for JTS students Scheme of Examination Sl No Periods Questions to be set for (10marks ) Unit Name 1 2 Transmission of Power Steam Formation 15 08 3 Steam Boilers and Steam Turbines 15 10 10 10 4 Hydraulic Turbines 10 10 5 08 15 10 6 Hydraulic Pumps: Concept of Electricity 7 Electrical resistance and circuits 12 10 8 Work, Power and Energy 10 10 9 Magnetism & Electromagnetism 12 10 10 Electronics 7 10 112 100 TOTAL Directorate Of Technical Education 10 Karnataka State Page 3 Model Question Paper Elements of Mechanical & Electrical Engineering - 1 Part-A Max mark-50 Note: Answer all Questions 1a).Define transmission of power 02 b).Name the different types of transmission of power 04 c).With a neat sketch explains open belt drive & Cross belt drive 04 2 a).Define Dryness fraction 02 b).Differentiate between wet steam & dry saturating steam 04 c).List the properties of steam 04 3 a) Mention the application of boiler 02 b).write the Classification of boiler, 04 c).Draw a neat sketch of simple vertical boiler label the parts 04 OR 3 a).List the boiler accessories 02 b).What are the differences between water tube boiler & fire tube boiler 04 c).What is the function of water level indicator & fusible plug 04 4 a) Mention the application steam turbine 02 b).Differentiate between impulse turbine & reaction turbine 04 c) What is the function of economiser & super heater 04 5 a) Mention the application water turbine 02 b).write the Classification of water turbine 04 c).Draw the neat sketch of pelton wheel & label the parts 04 Directorate Of Technical Education Karnataka State Page 4 Part-B Max mark-50 Note: Answer all the questions. 6. a. Define conductor and give an example. b. State any four applications of electrical energy. c. Define and mention the SI unit of i) Electrical Current ii) e.m.f. 2 4 4 7. a. Define and mention the SI unit of resistance. 2 b. State any four advantages of electrical energy over other forms of energy. 4 c. Draw a practical circuit consisting of source, load, switch and protective device. 4 8. a. Define electrical power and mention their unit. 2 b. State Ohm’s law and write the necessary equations. 4 c. Three resistances of 4 Ω, 6 Ω, and 10 Ω are connected in series across a supply of 100 volts, find i) equivalent resistance ii) Total current in the circuit 4 9. a. Convert Horsepower into watt. 2 b. A 100 watt lamp is used for 6 hrs a day, find i) Energy consumed per month, ii) cost of energy if each unit costs Rs.4.00 4 c. Define with SI units. i) Magnetic flux ii) flux density 4 10. a. Define semi-conductor and give example. b. Define a magnet and write the properties of magnet. c. Name the types of magnets and mention its uses. 2 4 4 OR a. Define magneto motive force and write its unit. 2 b. State four effects of electric current with example each. 4 c. Determine the equivalent of three resistances R1, R2, and R3 when connected in series across a supply of V volts. 4 Directorate Of Technical Education Karnataka State Page 5 Model Question Bank Elements of Mechanical & Electrical Engineering - 1 PART A 1. Draw the neat sketch of stepped cone pulley and label its parts 2 Mention the uses of stepped cone pulley 5. Define Velocity Ratio Belt drive 6. Mention the types of chain drive 7. Write the Advantages & Disadvantages of chain drive 8. List the types of gear 9. What is gear drive 10. What are the advantage & disadvantage of gear drive? 11. Draw the neat sketch spur gear 12. List the advantages super heated steam 13 define dryness fraction of steam 14. Define wet steam, dry steam and superheated steam 15. Write the comparison between fire tube boiler & water tube boiler 16. List the boiler accessories 17. List the boiler mountings 18. Name any two boiler mountings & mention their uses. 19 write the classification of steam turbine 20. Draw a neat sketch of pelton wheel turbine Directorate Of Technical Education Karnataka State Page 6 PART- B 1. 2. 3. 4. 5. 6. 7. 8. 9. Define electricity. State any five applications of electrical energy. State five advantages of electrical energy over other forms of energy. Name the sources of electrical energy. Write five effects of electrical current with an example each. Define and mention the SI units of i) Electrical Current. ii ) e.m.f Define and mention the SI units of potential difference and resistance. Mention the meters used for the measurement of current and voltage. Draw a practical circuit consisting of source, load, switch, protective device, voltmeter and ammeter. 10. Define conductor and insulator with examples. 11. State the difference between conductor and insulator. 12. Define and mention the SI units of resistance. 13. State the laws of resistance. 14. State the factors on which the resistance of the conductor depends. 15. State Ohm’s Law and write the necessary equations. 16. State Ohm’s law and mention the limitations. 17. Mention the applications of Ohm’s law. 18. Determine the equivalent resistance of three resistances R1, R2 and R3 when connected in series across a supply of V volts. 19. Determine the equivalent resistance of three resistances R1, R2 and R3 when connected in parallel across a supply of V volts. 20. Three resistances of 4, 6 and 10 ohms are connected in series across a supply of 100V find, i. Effective resistance of circuit. ii. Total current in the circuit. iii. Voltage drop in across each resistance. 21. Three resistances of 4, 6 and 12 ohms are connected in parallel across a supply of 24V find, i. Effective resistance of circuit. ii. Total current in the circuit. iii. Current through each resistance. 22. Define i) Work. ii) Electric power. iii) Electrical energy and mention their units. 23. Define Electric power and write the three equations. 24. An electric stove takes a current of 5 Amps when connected to a 230 V supply, find the power taken by the stove. 25. Find the current taken by an electric bulb of 100Watts when connected to a 200 Volts supply. 26. A 100 Watt lamp is used for 6 hours a day, find i) energy consumed per month, ii) cost of energy, if each unit costs Rs.4.00 27. A house consists of two bulbs of 60 W each and two bulbs 40 Watts each, if they are used for 4 hours a day, find monthly consumption charges at the rate of Rs.3.00 per unit. 28. Convert Horse power into Watts. 29. Define a magnet and write the properties of the magnet. 30. Name the types of magnet and mention its uses. 31. Define with SI Units, i) magnetic flux ii) magnetic field. 32. Define with SI Units, i) flux density ii) magneto motive force iii) reluctance. 33. Define Semi-conductor and give examples. 34. Explain doping in semi-conductors 35. Distinguish between intrinsic and extrinsic semi-conductors Directorate Of Technical Education Karnataka State Page 7 Course Title: Engineering Graphics - 1 Course: JTS (IX std ) periods (L:T:P) : 0:1:2 :: L-Lecture, T-Tutorial, P- Total Contact Periods: 84 Practical. . Prerequisites: knowledge of Fundamentals Engineering Drawing – 1 & 2 Course Objectives: Developing Engineering Drawing skills. Course Outcomes: At the end of the course, the students will be able to 1. Understand the concept of Orthographic Projection. 2. Understand the Projection of Points, Lines and Planes Unit-1 Orthographic Projection: Introduction to orthographic projection, explain principle views & principle planes, four quadrant & system of projection, first angle projection, third angle projection, difference between first angle & third angle projection and know the symbol of projection, (08 Periods) Projection of Points: Explain Location of point, conventional representation of point, projection of point in the first, second, third, & fourth quadrant. (10 Periods) Unit-2 Projection of Line: Explain Projection of a line parallel to H.P & V.P, Projection of a line parallel to H.P & perpendicular to V.P, Projection of a line parallel to V.P & perpendicular to H.P, Projection of a line parallel to V.P & inclined to H.P, Projection of a line parallel to H.P & inclined to V.P. (One problem in each condition). (25 Periods) Projection of Plane: Explain Projection of a plane parallel to one of the principle plane and perpendicular to other two, Projection of a plane surface perpendicular to one of the principle plane and inclined to other, (Triangular, Square, Pentagonal, Hexagonal and Circular Planes should be considered. (One problem in each category). (25 Periods) Unit-3 Computer Practice: Practice Unit 2 in computer using appropriate software (16 Periods) Note: Students should do minimum of 10 drawing sheets and submit it for evaluation References: 1. K.R.Gopalakrishna”Engineering Drawing” Subhas Publications, 2010. 2. Dr.R.K.Hegde,”Engineering Drawing”, Subhas Publications, 2014 3. Shankar Prasad Dey,”Mechanical Engineering Drawing”, Vikas Publishing-2015 Directorate Of Technical Education Karnataka State Page 8 Scheme of valuation Sl No Contents 1 2 3 Orthographic Projection Projection of points Projection of line 08 10 25 05 05 20 4 Projection of planes 25 20 5 Computer practice TOTAL 16 00 84 50 Directorate Of Technical Education Periods Questions to be set for (10marks ) Karnataka State Page 9 Model Question Paper Engineering Graphics - 1 Max marks: 50 Q.no1. a. Write the symbol of first angle & third angle projection 04 b. Name the different principle views of planes 04 c,. What is orthographic projection 02 Q.no.2 a. Show the location of point touching all the three principal planes 04 b. Draw the principle views of point laying 50mm below V.P & 40mm in front of H.P 04 c. Draw the principle views of point laying 50mm below H.P & 40mm in front of V.P 04 Q.no.3 .Draw the principle views of a line 70mm long when it is placed parallel to HP & VP One of the end is 60mm above HP 50mm in front of VP. 10 Qno.4. A line 80mm long is perpendicular to VP & parallel to HP the end nearer to VP is 20mm above HP & 25mm in front of VP draw its projections. 10 Qno.5.A regular hexagonal of lamina 35mm side rests on HP, when its plane vertical & Inclined at 450 to VP .Draw the front & top views one of its side perpendicular to HP 10 OR Circular lamina 50 mm diameters rest in HP such that the surface of lamina is Inclined at 300 to HP. Draw its projections Directorate Of Technical Education Karnataka State Page 10 Model Question Bank Engineering Graphics – 1 1. What is first angle & third angle projection, write its symbol 2. Difference between first angle & third angle projection 3. A point is 40mm in front of VP & 50mm above HP .Draw the principle of view of point in first quadrant 4. A point P is 30mm above HP & 50mm behind VP .draw the principle of view of point is second quadrant 5. A point P is 40mm behind VP & 60mm below HP .draw the principle view of the point in third quadrant 6. Draw the principle view of point P 60mm below HP & 50mm in front of VP in the fourth quadrant 7. Draw the line of projection of line 40 mm lengths parallel to HP & parallel to VP. 8. Draw the projection of line 40mm length is parallel to HP & perpendicular to VP 9. Draw projection of line of 40mm length is parallel to VP & perpendicular to HP 10. Draw projection of line 40mm length the line is parallel to VP & inclined 45 0 to HP 11. Draw the projection of line 40 mm lengths. a line is parallel to HP & inclined 300 to VP 12. Give the definition of plane surface 13. What are the position of plane surface & what it is true shape of plane surface 14. What are the general rules for position of plane surface in the projection? 15. A regular pentagon lamina 30mm side rests on HP & with its base vertical & inclined at 450 to VP ,draw the top & front views when one of its sides is perpendicular to HP 16. A equilateral triangular lamina of 30mm sides lies with one its edges on HP such that the surface of the lamina is inclined to the HP at 60 0 draw the projections . 17. A Circular lamina of 50mm diameter rests on HP such that a surface of the lamina is inclined at 300 HP ,draw the projections Directorate Of Technical Education Karnataka State Page 11 Course Title: Work Shop Fitting-1 Course: JTS (IX std) periods (L:T:P) : 0:2:4 :: L-Lecture, T-Tutorial, P- Total Contact Periods: 168 Practical. Prerequisites: Knowledge of Basic Work Shop Fitting-1 Course Objectives: Understand the Basic Fitting Operations Course Outcomes: At the end of the course, the students will be able to 1 Know the safety precaution in the Fitting workshop 2 Understand different tools & equipments 3 Practice marking, punching, Cutting & Filing operations. Fitting Practices: 1 Know the safety precaution in the Fitting workshop 2 Demonstration and use of different Fitting Tools to carry out Fitting operation. 3 Marking & Punching as per given sketch 4 Cutting, Filing, drilling and Finishing as per sketch Note: Students should do minimum of 04 models and submit it for evaluation References: 1. Ramesh Babu.V., “Engineering Practices Laboratory Manual”, VRB Publishers Private Limited, Chennai, Revised Edition, 2013 – 2014. 2. Jeyachandran.K., Natarajan.S. and Balasubramanian.S., “A Primer on Engineering Practices Laboratory”, Anuradha Publications, 2007. 3. Bawa.H.S., “Workshop Practice”, Tata McGraw Hill Publishing Company Limited, 2007. . Scheme of Examination Sl. no. 1 2 3 4 5 6 Performance Listing of tools and operations. Marking & Punching Performing of basic operations. Finishing Viva Practical Record Total Directorate Of Technical Education Max. Marks 05 05 20 10 05 05 50 Karnataka State Page 12 Model Question Bank Work Shop Fitting – 1 Marks: 50 1) Prepare a Model as per the given sketch Note: Only one Part (Male or Female) shown in the sketch has to be prepared by a Individual student in the Examination Directorate Of Technical Education Karnataka State Page 13 List of Equipment (Fitting Shop) Sl. No List of Equipment(Fitting Shop) Numbers Required as per norms 20 1. Flat file 14″ rough bastard file 2. Try square 6″ 20 Triangular file 10″ rough 20 4. Half round file 10″ rough 20 5. Hack saw frame -solid 12″ 20 6. Center punch 20 7. Ball peen hammer 11/2 Lbs 20 8. Flat chisel 6″ 20 9. Smooth file 10″ flat 20 10. Bench vice 8″ 30 Leg vice 6″ 10 12. Power hack saw 01 13. Bench grinding 01 14. Bench drilling machine up to 12mm cap 01 15. Drill bit up to 12mm straight shank 04 16. Tap set and die set up to 1″ 01 17. Vernier calliper 10 18. Spring divider 20 19. Steel scale 20 20. Vernier height gauge 01 21. Surface plate 2x3 feet 02 22. Number punch 01 23. Anvil 05 24. V block 02 3. 11. Directorate Of Technical Education Karnataka State Page 14 Course Title: Work Shop Carpentry-1 Course: JTS (IX std ) Periods (L:T:P) : 0:2:4 :: L-Lecture, T-Tutorial, P- Total Contact Periods: 168 Practical. Prerequisites: Basic Work shop Carpentry-1 Course Objectives: Understand the Basic Carpentry Operations Course Outcomes: At the end of the course, the students will be able to 1. Know the safety precaution in the Carpentry workshop 2. Know the different types of woods and its defects 3. Understand and use various tools in carpentry 4. Practice marking, Sawing, Planning, Cutting & joints like Dovetail halving joint, mortise & Tenon joint Carpentry Practices: 1 Understand the different types of woods 2 Know the various defects in wood 3 Study the joints in roofs, doors, windows and furniture available in Carpentry workshop 4 Know and use different tools to carry out wood working operations 5 Practice marking, Sawing, Planning & Cutting operations 6 Practice on Wood working joints like Dovetail halving joint, mortise & Tenon joint Note Students should do minimum of 04 models and submit it for evaluation References 1. Ramesh Babu.V., “Engineering Practices Laboratory Manual”, VRB Publishers Private Limited, Chennai, Revised Edition, 2013 – 2014. 2. Jeyachandran.K., Natarajan.S. and Balasubramanian.S., “A Primer on Engineering Practices Laboratory”, Anuradha Publications, 2007. 3. Bawa.H.S., “Workshop Practice”, Tata McGraw Hill Publishing Company Limited, 2007. Scheme of valuation Sl. no. 1 2 3 4 5 6 Performance Listing of tools and operations. Marking & Punching Performing of basic operations. Finishing Viva Practical Record Total Directorate Of Technical Education Max. Marks 05 05 20 10 05 05 50 Karnataka State Page 15 Model Question Paper Work Shop Carpentry - 1 Time: 3 hours Marks: 25 Note: Only one Part (Male or Female) shown in the sketch has to be prepared by a Individual Student in the Examination Directorate Of Technical Education Karnataka State Page 16 List of equipment & Tools (Carpentry Shop) Sl. No 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. List of equipment & Tools (Carpentry Shop) Numbers Required as per norms Carpenter bench vice 20 G or C clamp 6″ 20 Marking gauge 20 Try square 19mmx4″ 20 Wooden mallet 20 Firmer chisel 2″ 20 Firmer chisel 3/4″ 20 Mortise chisel 1/2″ 20 Metal jack plane 9″ 20 Bevelled square 6″ 20 Hand saw or cross cut saw 20 Steel scale 12″ 20 . Directorate Of Technical Education Karnataka State Page 17 Course Title: Work Shop ( Machine shop-1) Course: JTS (IX std ) periods (L:T:P) : 0:2:4:: L-Lecture, T-Tutorial, P- Total Contact periods: 168 Practical. Pre-requisites: Knowledge of Machine Tools Course Objectives: To understand the Constructional features of Lathe, its accessories and Operations Course Outcomes: At the end of the course, the students will be able to 1. Understand the Constructional features of Lathe, its accessories And Operations 2. Work on Lathe and perform Plane Turning and Step Turning Lathe Practices: 1 2 3 3. 4. Study the Constructional features of Lathe and its accessories Know and use different tools to carry out turning operations Perform Facing operation as per given sketch Perform plain turning operation as per given sketch Perform step turning operation as per given sketch References 1. Ramesh Babu.V., “Engineering Practices Laboratory Manual”, VRB Publishers Private Limited, Chennai, Revised Edition, 2013 – 2014. 2. Jeyachandran.K., Natarajan.S. and Balasubramanian.S., “A Primer on Engineering Practices Laboratory”, Anuradha Publications, 2007. 3. Bawa.H.S., “Workshop Practice”, Tata McGraw Hill Publishing Company Limited, 2007. . Scheme of Examination Sl. no. 1 3 4 5 6 Performance Listing of tools and operations. Performing of basic operations. Finishing Viva Practical Record Total Directorate Of Technical Education Max. Marks 05 25 10 05 05 50 Karnataka State Page 18 List of Tools Required 1. 2. 3. 4. 5. 6. 7. Canter Lathe With attachments Cutting Tools Set Power hacksaw Surface Grinding Machine Cylindrical Grinding Machine Vanier Callipers Outside Calliper . Directorate Of Technical Education 20 20 01 01 01 20 20 Karnataka State Page 19 Model Question Paper Work Shop (Machine shop-1) Time: 3 hours Marks: 50 1. Prepare a model involving Facing , Plain Turning and Step Turning as per given sketch, Directorate Of Technical Education Karnataka State Page 20 Course Title: Electrical and Electronics Laboratory-1 Course: JTS (IX std ) Periods (L:T:P) : 0:2:4 :: L-Lecture, T-Tutorial, P- Total Contact periods: 168 Practical. Pre-requisites: Knowledge basic Electrical and Electronics Course Objective: The objective of the laboratory course is to identify the various tools, wires, electrical fittings, measuring instruments, resistors and diode. Wire-up various Electrical wiring circuits, prepare wiring joints and measurement of electrical parameters like voltage, current, resistance, power and electrical energy. Course Outcomes: After completion of the course the student should be able to i. ii. iii. iv. v. Identify different types of wiring tools and different types of wires. Connect different electrical meters. Prepare different types of joints. Rig-up various wiring circuits and test the same. Understand Ohm’s Law. List of Graded Exercises: 1. Study and identification of different types of insulated wires conductors insulators, electrical fittings and safety devices. 2. Identification and use of different types of tools in wiring system, study of wire gauge. 3. Identification, connection and uses of ammeter, voltmeter, wattmeter, energy meter and speedometer. 4. Preparation of a straight joint. 5. Preparation of a T-joint. 6. Preparation of a Western-union joint. 7. Wire-up a circuit in a PVC Conduit system to control a lamp from a single point. 8. Wire-up a circuit to control two lamps in series in PVC conduit system. 9. Wire-up a circuit to control two lamps in parallel in PVC conduit system. 10. Wire-up circuit to control two lamps in series and a lamp in parallel in PVC conduit system. 11. Wire-up a circuit to control two lamps independently. 12. Construct a suitable circuit to verify Ohm’s Law. 13. Construct a circuit to find the resistance of an unknown resistance using ammeter and voltmeter. 14. Construct a circuit to find the d.c. power using ammeter and voltmeter. 15. Construct a circuit to measure electrical energy using an energy meter. 16. Identification of resistor value using colour code. References: a. Experiments in Basic Electrical Engg.- S.K. Bhattacharya. Directorate Of Technical Education Karnataka State Page 21 b. Electrical Experiments- S.L. Uppal. Scheme of evaluation Sl.No. 1. 2. 3. 4. 5. Content Practical Record Circuit diagram and Procedure Conduction and result Wire Joints Viva-voce Total Directorate Of Technical Education Marks 05 10 15 10 10 50 Karnataka State Page 22 Model Question Bank Electrical and Electronics Laboratory-1 1. 2. 3. 4. 5. 6. 7. 8. Prepare a straight joint by using PVC 3/20 copper wire. Prepare a T - joint by using PVC 7/20 copper wire. Prepare a Western union joint by using bare conductors. Rig-up and test the wiring of a lamp controlled from one place. Construct a circuit to control two lamps in series. Conduct an experiment to control two lamps in parallel from one point. Rig-up and test the wiring circuit to control two lamps independently. Wire-up a circuit to control two lamps in series and one lamp in parallel from one place. 9. Conduct an experiment to verify Ohm’s Law. 10. Conduct an experiment to find the resistance of a given unknown resistance. 11. Conduct an experiment to find the dc power by using ammeter and voltmeter. 12. Conduct an experiment to measure single-phase energy in KWh by using single-phase energy meter. Directorate Of Technical Education Karnataka State Page 23