University: Mahatma Gandhi University
Course: B.Tech
Subject : Electronics and instrumentation
Year of Question Paper : 2014
First and Second Semester
EN 010 107BASIC MECHANICAL ENGINEERING
(2010 admissionsRegular)
[Common to all Branches]
Time : Three Hours Maximum : 100 Marks
Part A
Answer all questions.
Each question carries 3 marks.
1. Explain system and control volume. r<
*7 2. Define compression ratio of an IC engine.
3. Explain the types of belt drives.
(jf? Explain the use of draft tube.
Explain the types of milling.
(5 x 3 = 15 marks)
Part B
Answer all questions.
Each question carries 5 marks.
6. Explain the basic laws of heat transfer.
7. Explain the advantages and disadvantages of two stroke engines.
8. Explain the types of gear trains.
9o Define specific speed of a turbine. What is its significance ?
Q.Cp Explain different types of rolling processes.
(5 x 5 = 25 marks)
Part C
Answer all questions.
Each question carries 12 marks.
jL1. Derive an expression for the air standard efficiency of a diesel cycle.
Or
12. A gas whose original volume and temperature were 0.015 m.3 and 285 C. respectively is expanded according to the law PV1-35 = C until the volume is 0.09 m.3 Determine the work done by the gas and the new temperature of the gas.
y-Jk
2 G 6808
l&. With a neat sketch, explain the working of a two-stroke SI engine.
\t>
Or
14. Explain the working of a vapour compression system with the help of a neat sketch.
J.5. Derive an expression for calculating the length of a belt for an open belt drive.
V* Or
16. Discuss the advantages and disadvantages of open belt drive and cross belt drive.
J-7. Explain the general layout of a thermal power plant with the help of a neat sketch.
Or
18. With a neat sketch explain the working of a centrifugal pump, x0 J-S- Explain the principal parts of a lathe with neat sketches.
Or
20. With the help of a neat sketch explain the arc welding process.
(5 x 12 = 60 marks)..
Course: B.Tech
Subject : Electronics and instrumentation
Year of Question Paper : 2014
First and Second Semester
EN 010 107BASIC MECHANICAL ENGINEERING
(2010 admissionsRegular)
[Common to all Branches]
Time : Three Hours Maximum : 100 Marks
Part A
Answer all questions.
Each question carries 3 marks.
1. Explain system and control volume. r<
*7 2. Define compression ratio of an IC engine.
3. Explain the types of belt drives.
(jf? Explain the use of draft tube.
Explain the types of milling.
(5 x 3 = 15 marks)
Part B
Answer all questions.
Each question carries 5 marks.
6. Explain the basic laws of heat transfer.
7. Explain the advantages and disadvantages of two stroke engines.
8. Explain the types of gear trains.
9o Define specific speed of a turbine. What is its significance ?
Q.Cp Explain different types of rolling processes.
(5 x 5 = 25 marks)
Part C
Answer all questions.
Each question carries 12 marks.
jL1. Derive an expression for the air standard efficiency of a diesel cycle.
Or
12. A gas whose original volume and temperature were 0.015 m.3 and 285 C. respectively is expanded according to the law PV1-35 = C until the volume is 0.09 m.3 Determine the work done by the gas and the new temperature of the gas.
y-Jk
2 G 6808
l&. With a neat sketch, explain the working of a two-stroke SI engine.
\t>
Or
14. Explain the working of a vapour compression system with the help of a neat sketch.
J.5. Derive an expression for calculating the length of a belt for an open belt drive.
V* Or
16. Discuss the advantages and disadvantages of open belt drive and cross belt drive.
J-7. Explain the general layout of a thermal power plant with the help of a neat sketch.
Or
18. With a neat sketch explain the working of a centrifugal pump, x0 J-S- Explain the principal parts of a lathe with neat sketches.
Or
20. With the help of a neat sketch explain the arc welding process.
(5 x 12 = 60 marks)..
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