Discussion
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- Question
Two closely coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is half that of spring 'B' The ratio of deflections in spring 'A' to spring 'B' is
Options- A. 1/8
- B. 1/4
- C. 1/2
- D. 2
- Correct Answer
- 1/2
- 1. Which of the following is an amorphous material?
Options- A. Mica
- B. Silver
- C. Lead
- D. Glass Discuss
- 2. The critical pressure ratio for initially dry saturated steam is
Options- A. 0.546
- B. 0.577
- C. 0.582
- D. 0.601 Discuss
- 3. Hydrogen is the __________ substance.
Options- A. lightest
- B. heaviest Discuss
- 4. Cemented carbide tools are generally poor in shear.
Options- A. Yes
- B. No Discuss
- 5. Hot piercing is extensively used for making bolts and nuts.
Options- A. Yes
- B. No Discuss
- 6. A Francis turbine is an outward flow reaction turbine.
Options- A. True
- B. False Discuss
- 7. The negative acceleration is called retardation.
Options- A. True
- B. False Discuss
- 8. When the spring of a watch is wound, it will possess
Options- A. strain energy
- B. kinetic energy
- C. heat energy
- D. electrical energy Discuss
- 9. An alloy of copper, tin and zinc is known as
Options- A. brass
- B. bronze
- C. gun metal
- D. muntz metal Discuss
- 10. In electro-chemical machining, the gap between the tool and work is kept as
Options- A. 0.1 mm
- B. 0.25 mm
- C. 0.4 mm
- D. 0.75 mm Discuss
More questions
Correct Answer: Glass
Correct Answer: 0.577
Correct Answer: lightest
Correct Answer: Yes
Correct Answer: No
Correct Answer: False
Correct Answer: True
Correct Answer: strain energy
Correct Answer: gun metal
Correct Answer: 0.75 mm
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