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- Question
The brake power is the power available
Options- A. in the engine cylinder
- B. at the crank shaft
- C. at the crank pin
- D. none of these
- Correct Answer
- at the crank shaft
- 1. The ductility is the property of a material due to which it
Options- A. can be drawn into wires
- B. breaks with little permanent distortion
- C. can be rolled or hammered into thin sheets
- D. can resist fracture due to high impact loads Discuss
- 2. In open cycle turbo-jet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the
Options- A. thrust and range of aircraft
- B. efficiency of the engine
- C. both (a) and (b)
- D. none of these Discuss
- 3. Carnot cycle consists of
Options- A. two constant volume and two isentropic processes
- B. two isothermal and two isentropic processes
- C. two constant pressure and two isentropic processes
- D. one constant volume, one constant pressure and two isentropic processes Discuss
- 4. In A-B-C analysis, which class of items are generally large in number?
Options- A. A
- B. B
- C. C
- D. none of these Discuss
- 5. A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is
Options- A. 5
- B. 10
- C. 20
- D. 40 Discuss
- 6. A diesel engine has compression ratio from
Options- A. 6 to 10
- B. 10 to 15
- C. 15 to 25
- D. 25 to 40 Discuss
- 7. In a double acting compressor, the air is compressed
Options- A. in one cylinder
- B. in two cylinders
- C. in a single cylinder on both sides of the piston
- D. in two cylinders on both sides of the piston Discuss
- 8. In an ideal gas turbine plant, it is assumed that the compression and expansion processes are
Options- A. isothermal
- B. isentropic
- C. polytropic
- D. none of these Discuss
- 9. The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch.
Options- A. plus
- B. minus Discuss
- 10. A 3 m3/min compressor means that it
Options- A. compresses 3 m3/min of standard air
- B. compresses 3 m3/ min of free air
- C. delivers 3 m3/ min of compressed air
- D. delivers 3 m3/ min of compressed air at delivery pressure Discuss
More questions
Correct Answer: can be drawn into wires
Correct Answer: thrust and range of aircraft
Correct Answer: two isothermal and two isentropic processes
Correct Answer: C
Correct Answer: 10
Correct Answer: 15 to 25
Correct Answer: in a single cylinder on both sides of the piston
Correct Answer: isentropic
Correct Answer: plus
Correct Answer: compresses 3 m3/ min of free air
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