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- Question
The adhesiveness is the property of a sand due to which
Options- A. it evolves a great amount of steam and other gases
- B. the sand grains stick together
- C. it cling to the sides of a moulding box
- D. none of these
- Correct Answer
- it cling to the sides of a moulding box
- 1. The approximate height of a blast furnace is
Options- A. 10 m
- B. 20 m
- C. 30 m
- D. 40 m Discuss
- 2. A turbo-jet does not require a turbine to drive the compressor.
Options- A. True
- B. False Discuss
- 3. The compression ratio for Diesel engines usually lies in the range of
Options- A. 6-10
- B. 10-15
- C. 15-25
- D. 25-40 Discuss
- 4. In corrosion resistant properties, bronzes are __________ to brasses.
Options- A. superior
- B. inferior Discuss
- 5. The tool life, in case of continuous cutting, is much better than intermittent cutting.
Options- A. Agree
- B. Disagree Discuss
- 6. The thermodynamic cycle on which the petrol engine works, is
Options- A. Otto cycle
- B. Joule cycle
- C. Rankine cycle
- D. Stirling cycle Discuss
- 7. The cold chisels are made by
Options- A. drawing
- B. rolling
- C. piercing
- D. forging Discuss
- 8. When a body of mass moment of inertia I (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is
Options- A. I?
- B. I?2
- C. 0.5I?
- D. 0.5I?2 Discuss
- 9. The periodic time of a particle with simple harmonic motion is __________ proportional to the angular velocity.
Options- A. directly
- B. inversely Discuss
- 10. In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is __________ the lowpressure cylinder.
Options- A. equal to
- B. less than
- C. more than Discuss
More questions
Correct Answer: 30 m
Correct Answer: False
Correct Answer: 15-25
Correct Answer: superior
Correct Answer: Agree
Correct Answer: Otto cycle
Correct Answer: forging
Correct Answer: 0.5I?2
Correct Answer: inversely
Correct Answer: less than
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