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
Category: Mechanical Engineering Mcqs
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
Jacks may be
A.screw type
B.rack-and-lever type
C.hydraulic type
D.Any of the above
The function of riser is
A.to provide an opening through which molten metal is poured
B.to give an indication that mould is filled
C.to allow the heat of molten metal to dissipate to atmosphere
D.to supply molten metal to casting as it tends to contract during solidification
In a tug of war, five men pull a rope to the left at A and six moen pull the rope at B. A weight of 5 kg is hung vertically from the centre of the rope. In order that the rope AB be horizontal
A.at least one man on side B should be removed
B.the force applied on A must be equal to that on B
C.the force required on A must not be equal to that on B
D.infinite force will be required to be applied at both ends
