Discussion
Home ‣ Mechanical Engineering ‣ Hydraulics and Fluid Mechanics See What Others Are Saying!
- Question
The centre of gravity of the volume of the liquid displaced is called
Options- A. centre of pressure
- B. centre of buoyancy
- C. metacentre
- D. none of these
- Correct Answer
- centre of buoyancy
- 1. The volume of air delivered by the compressor is called
Options- A. free air delivery
- B. compressor capacity
- C. swept volume
- D. none of these Discuss
- 2. Radiation is the process of heat transfer in which heat flows from a __________ , in a straight line, without affecting the intervening medium.
Options- A. cold body to hot body
- B. hot body to cold body
- C. smaller body to larger body
- D. larger body to smaller body Discuss
- 3. During gas charging in an ammonia vapour compression system, the connection is made at the compressor outlet.
Options- A. Agree
- B. Disagree Discuss
- 4. A vertically immersed surface is shown in the below figure. The distance of its centre of pressure from the water surface is
Options- A.
- B.
- C.
- D.
Discuss
- 5. The centre of buoyancy is the centre of area of the immersed body.
Options- A. Correct
- B. Incorrect Discuss
- 6. In a four stage compressor, if the pressure at the first and third stage are 1 bar and 16 bar, then the delivery pressure at the fourth stage will be
Options- A. 1 bar
- B. 16 bar
- C. 64 bar
- D. 256 bar Discuss
- 7. The speed of an imaginary turbine, identical with the given turbine, which will develop a unit power under a unit head, is known as
Options- A. normal speed
- B. unit speed
- C. specific speed
- D. none of these Discuss
- 8. The power of a boiler may be defined as
Options- A. the ratio of heat actually used in producing the steam to the heat liberated in the furnace
- B. the amount of water evaporated or steam produced in kg per kg of fuel burnt
- C. the amount of water evaporated from and at 100° C into dry and saturated steam
- D. the evaporation of 15.653 kg of water per hour from and at 100° C Discuss
- 9. The humidification process, on the psychrometric chart is shown by
Options- A. horizontal line
- B. vertical line
- C. inclined line
- D. curved line Discuss
- 10. Blanking and piercing operations can be performed simultaneously in a
Options- A. simple die
- B. progressive die
- C. compound die
- D. combination die Discuss
More questions
Correct Answer: compressor capacity
Correct Answer: hot body to cold body
Correct Answer: Agree
Correct Answer:
Correct Answer: Correct
Correct Answer: 64 bar
Correct Answer: specific speed
Correct Answer: the amount of water evaporated or steam produced in kg per kg of fuel burnt
Correct Answer: vertical line
Correct Answer: compound die
Comments
There are no comments.More in Mechanical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.