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.Management Sciences
Category: Mechanical Engineering Mcqs
The energy distribution of an ideal reflector at higher temperatures is largely in the range of ___________________?
A. shorter wavelength
B. longer wavelength
C. remains same at all wavelengths
D. wavelength has nothing to do with it
E. none of the above
Minimum work in compressor is possible when the value of adiabatic index n is equal to_________________?
A. 0.75
B. 1
C. 1.27
D. 1.35
E. 2
The function of a washer is to___________________?
A. provide cushioning effect
B. provide bearing area
C. absorb shocks and vibrations
D. provide smooth surface in place of rough surface
E. act as a locking device
Activity s,lack or float of any event on a PERT/CPM chart is represented by__________________?
A. latest start time of succeeding event -earliest finish time of preceding event activity time
B. latest start time of the event – earliest start time of the event
C. latest finish time of event – earliest finish time of the event
D. anyone of the above
E. none of the above
Saving of work done and power by fitting an air vessel to double acting reciprocating pump is of the order of_______________?
A. 39.2%
B. 49.2%
C. 68.8%
D. 84.8%
E. 91.6%.
A liquid would wet the solid, if adhesion forces as compared to cohesion forces are________________?
A. less
B. more
C. equal
D. less at low temperature and more at high temperature
E. there is no such criterion
The resultant of all normal pressures acts___________________?
A. at e.g. of body
B. at center of pressure
C. vertically upwards
D. at metacentre
E. vertically downwards
In the case of compression ignition engine, the %age of CO in exhaust gases is________________?
A. Zero
B. 5-10%
C. Depends on load
D. Considerable percent
Normal depth in open channel flow is the depth of flow corresponding to_______________?
A. steady flow
B. unsteady flow
C. laminar flow
D. uniform flow
E. critical flow
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