Discussion
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- Question
Which of the following statement is correct?
Options- A. The size of hole drilled in riveting plates is less than the actual size of rivet.
- B. The centre to centre distance between two consecutive rivets in a row is called margin.
- C. Rivets are generally specified by its shank diameter.
- D. Tearing of plates can be avoided by taking the pitch of rivets equal to 1.5 times the diameter of rivet hole.
- Correct Answer
- Rivets are generally specified by its shank diameter.
- 1. The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which each constituent would exert, if it occupied the same space by itself. This statement is called
Options- A. Kinetic theory of gases
- B. Newton's law of gases
- C. Dalton's law of partial pressures
- D. Avogadro's hypothesis Discuss
- 2. In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is
Options- A. 50
- B. 100
- C. 150
- D. 200 Discuss
- 3. A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is
Options- A. 2.89 kN
- B. 8.29 kN
- C. 9.28 kN
- D. 28.9 kN Discuss
- 4. Positive camber is used to compensate for wheels tilting inward due to the weight of the vehicle.
Options- A. Yes
- B. No Discuss
- 5. Locomotive boiler produces steam at a very high rate.
Options- A. Yes
- B. No Discuss
- 6. The leakage in a refrigeration system using ammonia is detected by
Options- A. halide torch
- B. sulphur sticks
- C. soap and water
- D. all of these Discuss
- 7. The oxidising flame is similar to neutral flame but the inner cone is less luminous and shorter.
Options- A. Yes
- B. No Discuss
- 8. If the sand is too fine, its permeability will be high.
Options- A. True
- B. False Discuss
- 9. When the nozzle operates with the maximum mass flow, the nozzle is said to be
Options- A. choked
- B. underdamping
- C. overdamping
- D. none of these Discuss
- 10. In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be
Options- A. double
- B. four times
- C. eight times
- D. sixteen times Discuss
More questions
Correct Answer: Dalton's law of partial pressures
Correct Answer: 100
Correct Answer: 8.29 kN
Correct Answer: Yes
Correct Answer: Yes
Correct Answer: sulphur sticks
Correct Answer: Yes
Correct Answer: False
Correct Answer: choked
Correct Answer: double
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