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.Management Sciences
Category: Mechanical Engineering Mcqs
The amount of radiation mainly depends on___________________?
A. nature of body
B. temperature of body
C. type of surface of body
D. all of the above
E. none of the above
The accunmulation of carbon in a cylinder results in increase of________________?
A. clearance volume
B. volumetric efficiency
C. ignition time
D. effective compression ratio
E. valve travel time.
Ratio of indicated H.P. and brake H.P. is known as_________________?
A. mechanical efficiency
B. volumetric efficiency
C. isothermal efficiency
D. adiabatic efficiency
E. relative efficiency
The most important objective behind plant layout is_____________________?
A. overall simplification, safety of integration
B. economy in space
C. maximum travel time in plant
D. to provide conveniently located shops
E. to avoid any bottlenecks
A heat exchange process in which the product of pressure and volume remains constant is known as_______________?
A. heat exchange process
B. throttling process
C. isentropic process
D. adiabatic process
E. hyperbolic process
One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice_________________?
A. in 1 hour
B. in 1 minute
C. in 24 hours
D. in 12 hours
E. in 10 hours
If two equal forces of magnitude P act at an angle 9°, their resultant will be________________?
A. P/2 cos 9/2
B. IP sin 9/2
C. 2P tan 9/2
D. IP cos 9/2
E. Psin 9/2
Taper on the cotter and slot is provided_________________?
A. on both the sides
B. on one side only
C. on none of the sides
D. may be provided anywhere
E. none of the above
One time measurement unit (TMU) in method time measurement system equals______________?
A. 0.0001 minute
B. 0.0006 minute
C. 0.006 minute
D. 0.001 minute
E. 0.06 minute
Vanadium in high speed steels__________________?
A. promotes decarburisation
B. provides high hot hardness
C. forms very hard carbides and thus in-creases wear resistance
D. promotes retention of austenite
E. increases toughness
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