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Home ‣ Mechanical Engineering ‣ Strength of Materials See What Others Are Saying!
- Question
The compressive strength of brittle materials is __________ its tensile strength.
Options- A. equal to
- B. less than
- C. greater than
- Correct Answer
- greater than
- 1. One m3 of methane (CH4) requires 2m3 of oxygen and produces 1m3 of carbon dioxide and 2m3 of water or steam.
Options- A. Correct
- B. Incorrect Discuss
- 2. An error of 1% in measuring head over the apex of the notch (H) will produce an error of __________ in discharge over a triangular notch.
Options- A. 1%
- B. 1.5%
- C. 2%
- D. 2.5% Discuss
- 3. The value of bulk modulus of a fluid is required to determine
Options- A. Reynold's number
- B. Froude's number
- C. Mach number
- D. Euler's number Discuss
- 4. The efficiency of Diesel cycle approaches to Otto cycle efficiency when
Options- A. cut-off is increased
- B. cut-off is decreased
- C. cut-off is zero
- D. cut-off is constant Discuss
- 5. According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) __________ with the change in pressure and temperature of the gas.
Options- A. change
- B. do not change Discuss
- 6. The partial balancing of reciprocating parts in locomotives produces
Options- A. hammer blow
- B. swaying couple
- C. variation in tractive force along the line of stroke
- D. all of the above Discuss
- 7. The air power of the compressor is also known as
Options- A. indicated power
- B. brake power
- C. frictional power
- D. none of these Discuss
- 8. The ratio of the actual vacuum to the ideal vacuum in a condenser is called
Options- A. condenser efficiency
- B. vacuum efficiency
- C. nozzle efficiency
- D. boiler efficiency Discuss
- 9. Select the correct statement as per Charles' law
Options- A. p.v = constant, if T is kept constant
- B. v/T = constant, if p is kept constant
- C. p/T = constant, if v is kept constant
- D. T/p = constant, if v is kept constant Discuss
- 10. Locomotive boiler is a
Options- A. single tube, horizontal, internally fired and stationary boiler
- B. single tube, vertical, externally fired and stationary boiler
- C. multitubular, horizontal, internally fired and mobile boiler
- D. multitubular, horizontal, externally fired and stationary boiler Discuss
More questions
Correct Answer: Correct
Correct Answer: 2.5%
Correct Answer: Mach number
Correct Answer: cut-off is zero
Correct Answer: do not change
Correct Answer: all of the above
Correct Answer: indicated power
Correct Answer: vacuum efficiency
Correct Answer: v/T = constant, if p is kept constant
Correct Answer: multitubular, horizontal, internally fired and mobile boiler
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