116
I- MONTHLY TEST
PART –A
1. Define Electric current.
2. Define magnetic flux
3. Principle operation of DC generator.
4. Define MMF.
5. State the Principle of Transformer.
ANSWER ALL QUESTIONS
PART –B
ANSWER ALL QUESTIONS
6. State and Explain ohms law.
7. Write short notes on magnetic flux.
8. Explain the principle of operation of 1Φ Transformer
9. List the verious application of DC motor.
10. Write short notes on efficiency.
PART –C
ANSWER ALL QUESTIONS BY EITHER OR CHOICE
5 X1=5
5 X3=15
3 X10=30
11. a) Define faraday’s laws of electro magnetic induction. (OR)
b) Explain the chemical reactions that take place during charging and discharging battery.
12. a) i)When an AC voltage of 220 volts is applied the current taken is 5Amp with a phase angel of 600find the power in
circuit. ii) What is the Equivalent resistence when two resistors of 6Ω and 3Ω are connected is i) Servies ii) parallel (OR)
b) Draw with neat sketch the construction of DC generator.
13. a) Draw the circuit of four point starter and write in detail about it’s operation. (OR)
b) Derive on Expression to find EMF equation of a transformer.
670
PART –A
1. State any one function of piston rings.
2. Define delay period.
3. What is scavenging process?
4. What is detonation or knocking?
5. What is the function of thermostat?
I- MONTHLY TEST
ANSWER ALL QUESTIONS
PART –B
ANSWER ALL QUESTIONS
6. What are the differences between a dry linear and wet linear?
7. Explain the four strokes in S.I engine.
8. What is ethanol?
9. Briefly explain about oil bath type air cleaner with a simple sketch.
10. Draw the pintaux nozzle and state it’s merits.
5 X1=5
5 X3=15
PART –C
ANSWER ALL QUESTIONS BY EITHER OR CHOICE
3 X10=30
11. a) i) Explain detonation with its causes and control
ii) Draw and explain the acceleration and starter circuit in solex carburetor. (OR)
b) Explain the construction and working of overhead value operating mechanism with a neat sketch.
12. a) Briefly explain with neat sketch, the construction and operating of water pump circulation cooling system. (OR)
b) Describe with a neat sketch the construction and operation of mechanical governor.
13. a) i) What are the functions of carburetor? ii) With diagram explain A.C fuel pump. (OR)
b) i) Explain the methods of connecting piston and connecting rod.
ii) Draw the distributor fuel injection pump with neat sketch.
224
I- MONTHLY TEST
ANSWER ALL QUESTIONS
PART –A
1. Define material handling.
2. What is string diagram.
3. Define method study.
4. What is meant by accident proneness?
5. What is meant by collective bargaining?
PART –B
ANSWER ALL QUESTIONS
6. Briefly explain the importance of plant maintenance.
7. State the difference between operation process chart and flow process chart.
8. State any five principles of material handling .
9. State the basic steps inverned in the conduct of methods study.
10. Briefly explain with a block diagram how the standard time is calculated.
PART –C
ANSWER ALL QUESTIONS BY EITHER OR CHOICE
5 X1=5
5 X3=15
3 X10=30
11. a) State the important provisions of factories act 1948, governing safety and health of worker. (OR)
b) Write shorts nots on i) Conciliation ii) Meditation and Arbitration
12. a) What is operation process chart? Explain with an example.
(OR)
b) Explain briefly the following: i) Production study ii) Ratio – delay study
13. a) Briefly explain the various factor to be considered for selecting a suitable site for a plant.
(OR)
b) Explain the following techniques of work measurement i) synthesis from standard data ii) Analytical estimating.
336
I- MONTHLY TEST
ANSWER ALL QUESTIONS
PART –A
1. What are the different types of planer?
2. What is the user of a clapper box in shaper?
3. What are the feed movements in a slotter?
4. What is Rake angle.
5. What are the different types of tool holding device in milling machine.
5 X1=5
PART –B
ANSWER ALL QUESTIONS
6. Distinguish between a shaper and planner?
7. Explain draw cut shaper.
5 X3=15
8. Specify a slotter?
9. Distinguish between gang drilling and multispindle drilling machine.
10. Compare the up milling and down milling operations.
PART –C
ANSWER ALL QUESTIONS BY EITHER OR CHOICE
3 X10=30
11. a) Sketch and explain the construction and working of a double housing planer. (OR)
b) Sketch and explain the crank and slotted link quick return mechanism of a shaper and explain its Principle of working.
12. a) Explain the different work holding devices for slotter with neat sketch. (OR)
b) Draw a neat sketch of twist drill bit and explain the various parts of the same.
13. a) Explain the principle of operation of a radial drilling machine (OR)
b) With sketches briefly explain any four types of milling operations.
520
PART –A
1.
2.
3.
4.
5.
I- MONTHLY TEST
ANSWER ALL QUESTIONS
5 X1=5
What is meant by Thermodynamic system?
What are intrinsic & extrinsic properties?
State & explain zeroth law of thermodynamics.
State the general energy equation for a steady flow process. ( system with diagram).
Draw Pv & Ts diagram of the auto cycle & indicate various process.
PART –B
ANSWER ALL QUESTIONS
5 X3=15
6.
7.
8.
9.
A closed system receives 105KJ/of heat while it performs 130 KJ of work. Def the change in internal energy.
State & explain the second law of thermodynamics.
Derive an expression for workdone during ISO thermal process.
Calculate the air std efficiency of an engine working on otto cycle, if the pressure at the beginning and the end of
compression are 103.5 KN/m2 & 827.5 KN/m3 respectively. Take = 1.4
10. With the help of Pv diagram compare auto cycle & diesel cycle.
PART –C
ANSWER ALL QUESTIONS BY EITHER OR CHOICE
3 X10=30
11. a) A gas whose pressure, volume and temperature are 5 bar, 0.23m3 and 1850C respectively has its state changed at constant
pressure until its temperature becomes 700C. Determine – (i) the work done, (ii) Change in internal energy and
(iii) the heat transferred during the process, R = 290 J/KgK; Cp = 1.005KJ/KgK.
(OR)
0
b) 0.5 Kg of air at 180 C expands adiabatically to 3 times its original volume. During the expansion, the temperature is
decreased to 200C. Workdone during expansion is 53 kNm. Find Cp,Cv and R.
12. a) An inventor claims a new engine that will develop 2.5 kW for a heat addition of 300 kJ/min. The highest temperature of
the cycle is 1800 K and the lowest temperature is 600 K. Examine the feasibility of the engine.
(OR)
b) In a steady flow system a substance flows at a rate of 4kg/s. It enters at a pressure of 620kJ/m 2,a velocity of 300 m/s ,
internal energy 2000 kJ/kg and specific volume 0.37m3/kg. At the exit the pressure, velocity, internal energy and specific
volume are 130 kN/m2,150m/s,1400kJ/kg and 1.2m3/kg respectively. During the flow through the system, the heat lost to
the surroundings is 30kJ/kg. Determine the power of the system.
13. a) Derive an expression for the air – standard efficiency of Otto cycle.
(OR)
b) Derive an expression for workdone during a polytropic process
447
I- MONTHLY TEST
ANSWER ALL QUESTIONS
PART –A
1. Write any 2 benefits of CAD.
2. Mention the entities used for surface modeling.
3. What is protocol?
4. What is adaptive control system?
5. Write any four differences between NC and CNC system.
5 X1=5
PART –B
ANSWER ALL QUESTIONS
6. Explain any one type of pen plotters.
7. Write the applications of internet.
8. Write the NC machine operations.
9. Explain chucking machine with neat sketch.
10. What are the purpose of maintenance in CNC machine.
5 X3=15
PART –C
ANSWER ALL QUESTIONS BY EITHER OR CHOICE
3 X10=30
11. a) Explain wireframe modeling and state its merits and demerits. (OR)
b) Explain the IGES graphics standard.
12. a) List the types of CAD system. Explain the workstation based CAD system. (OR)
b) Explain the working of an EDM with neat sketch.
13. a) What is CMM? with neat sketch explain the types of CMM. (OR)
b) Draw the line diagram of a vertical spindle machining centre and describe its features.
450
I- MONTHLY TEST
PART –A
ANSWER ALL QUESTIONS
1. Write any 2 benefits of CAD.
2. Mention the entities used for surface modeling.
3. What is protocol?
4. List the objectives of JIT.
5. Mention the functions of shop floor control.
PART –B
ANSWER ALL QUESTIONS
6. Explain any one type of pen plotters.
5 X1=5
5 X3=15
7. Write the applications of internet.
8. Write the advantages of CAM.
9. Write the short notes of capacity planning.
10. Explain about intelligent manufacturing system.
PART –C
ANSWER ALL QUESTIONS BY EITHER OR CHOICE
11. a) Explain wire frame modeling and state its merits and demerits. (OR)
b) Explain about the IGES graphics standard.
12. a) List the types of CAD system. Explain the workstation based CAD system. (OR)
b) Explain retrieval type CAPP with its process diagram.
13. a) i) Explain master production schedule (ii) Draw the flowchart of MRP. (OR)
b) i) What is meant by Rapid prototyping (ii) Explain 3D printing.
3 X10=30