Drag line excavators are used for digging
A.drainage ditches
B.canals
C.gravel pits
D.Any of the above
Category: Mechanical Engineering Mcqs
If the capacitance between two conductors of a 3 phse line is 4
A.2
B.4
C.8
D.12
By using large thread angles in a lifting machine
A.The mechanical advantage will be high
B.The load will be sustained in absence of effort
C.The mechanical advantage will be low
D.The load will be easily lifted
E.While unloading, little effort will be required
The stress concentration factor for flat bar in tension with a circular hole, is
A.1
B.1.25
C.1.5
D.2
E.2.5
The units of moment of inertia of an area are
A.kg – m
B.kg – m3
C.kg – m4
D.(kg – m)2
E.m4
Temperature of a hot moving body can be measured by
A.a radiation pyrometer
B.an optical pyrometer
C.a resistance thermometer
D.None of the above
The maximum frictional force which comes into play when a body just begins to slide over the surface of another body is known as
A.Dynamic friction
B.Rolling friction
C.Kinetic friction
D.Limiting friction
E.Sliding friction
Most of the lifting magnets are
A.designed for continuous duty
B.not designed for continuous duty
Which of the following is not a self-generating transducer?
A.Thermopile
B.Ionization chamber
C.Moving coil generator
D.Photovoltaic cell
E.All of the above
Through routing the engineers decide in advance
A.The flow of material in the plant
B.The ways and means for proper utilization of manpower
C.The ways and means for proper utilization of machines
D.Inspection of final products
E.Normal route of workers through the plant
