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- Question
The electrodes used in spot welding have a tip of
Options- A. stainless steel
- B. aluminium
- C. copper
- D. brass
- Correct Answer
- copper
- 1. The amount by which the outer edge of the rail is raised, is known as super-elevation.
Options- A. Agree
- B. Disagree Discuss
- 2. Process layout is also known as
Options- A. analyticallayout
- B. synthetic layout
- C. static product layout
- D. none of these Discuss
- 3. There is no change in internal energy in an isothermal process.
Options- A. Correct
- B. Incorrect Discuss
- 4. Combustuion of fuel takes place __________ the engine cylinder of a steam engine.
Options- A. outside
- B. inside Discuss
- 5. The neutral axis of the cross-section a beam is that axis at which the bending stress is
Options- A. zero
- B. minimum
- C. maximum
- D. infinity Discuss
- 6. The refrigerant used in small-tonnage commercial machines (hermetically sealed units) is
Options- A. ammonia
- B. carbon dioxide
- C. sulphur dioxide
- D. R-12 Discuss
- 7. A centrifugal compressor is an axial flow compressor.
Options- A. Correct
- B. Incorrect Discuss
- 8. Second law of thermodynamics defines
Options- A. heat
- B. work
- C. internal energy
- D. entropy Discuss
- 9. An open structure of a grinding wheel is denoted by the number 1 to 8.
Options- A. Correct
- B. Incorrect Discuss
- 10. The ratio of total useful heat drop to the total isentropic heat drop, is called
Options- A. stage efficiency
- B. internal efficiency
- C. Rankine efficiency
- D. none of these Discuss
More questions
Correct Answer: Agree
Correct Answer: analyticallayout
Correct Answer: Correct
Correct Answer: outside
Correct Answer: zero
Correct Answer: sulphur dioxide
Correct Answer: Incorrect
Correct Answer: entropy
Correct Answer: Incorrect
Correct Answer: internal efficiency
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