Search
.Management Sciences
Category: Mechanical Engineering Mcqs
For a floating body to be in equilibrium_____________________?
A. meta centre should be above e.g.
B. centre of buoyancy and e.g. must lie on same vertical plane
C. a righting couple should be formed
D. all of the above
E. none of the above
The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if___________________?
A. the area is horizontal
B. the area is vertical
C. the area is inclined
D. all of the above
E. none of the above
An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be________________?
A. 650°K
B. 600°K
C. 625°K
D. 700°K
E. 750°K
The property of a material which enables it to resist fracture due to high impact loads is known as__________________?
A. elasticity
B. endurance
C. strength
D. toughness
E. resilience
In a naturally aspirated diesel engine, the air is supplied by________________?
A. a supercharger
B. a centrifugal blower
C. a vacuum chamber
D. an injection tube
E. forced chamber
The unit of overall coefficient of heat transfer is___________________?
A. kcal/m2
B. kcal/hr °C
C. kcal/m2 hr °C
D. kacl/m hr °C
E. kcal/m3 hr °C
Gradually varied flow is__________________?
A. steady uniform
B. non-steady non-uniform
C. non-steady uniform
D. steady non-uniform
E. true one-dimensional
Turbofan engine employs ____________________ ?
A. one air stream
B. two or more air streams
C. no air stream
D. solid fuel firing
E. rocket principle for its operation
Francis, Kaplan and propeller turbines fall under the category of___________________?
A. Impulse turbines
B. Reaction turbines
C. Axial flow turbines
D. Mixed flow turbines
E. Reaction-cum-impulse turbines
Recent Comments