Two beams carrying identical loads simply supported are having same width but beam A has double the depth as compared to that of beam B. The ratio of elastic strength of neam A compared to that of B will be
A.2
B.4
C.8
E.?
Category: Mechanical Engineering Mcqs
The handling capacity of a drag line having bucket of one cubic metre capacity is expected to be least while handling
A.Clay, wet sticky
B.Clay, hard tough
C.Sand
D.Gravel.
A chimney is not a part of which of the following type of power plant?
A.Steam power plant
B.Diesel engine power plant
C.Gas turbine power plant
D.Hydro-electric power plant
E.All of the above
A relay for protective system should have
A.High speed operation
B.High sensitivity
C.Selectivity
D.Reliability
E.All of the above
In case of involute gears
A.Interference is inherently absent
B.A convex flank is always in contact with concave flank
C.Variation in centre distance of shafts increases radial force
D.Pressure angle is constant throughout the teeth engagement
E.None of the above
The cause of slow growth of national income in India is
A.rapid population growth
B.deficiency in investment
C.high capital output ratio
D.All of the above
In Rockwell hardness test the hardness is measured by
A.The width of depression
B.The depth of depression
C.Diameter of depression
D.None of the above
Working medium for closed cycle gas turbine should have
A.high molecular weight
B.low specific volume
C.higher adiabatic index
D.lower specific speed
1 micron is equivalent to
A.10-2 cm
B.10-3 cm
C.10-4 cm
D.10-6 cm
E.None of the above
Which of the following valves is used on domestic refrigerators
A.Solenoid valve
B.Expansion valve
C.Spring safety valve
D.Wheel valve
E.None of the above
