In material handling plants, automatic scales are used for
A.weighing the material
B.sizing the material
C.batching the material
D.dressing the material
Category: Mechanical Engineering Mcqs
Kinematic similarity between model and prototype means
A.The similarity of forces
B.The similarity of shape
C.The similarity of motion
D.The similarity of discharge
The joints of a phosphor-bronze Bourdon tubes are
A.Soldered
B.Brazed
C.Screwed
D.Welded
E.Jointed by adhesives
An electric motor drives a windless which hauls up a crate A of weight W = 500 kg up an inclined plane through a height of 10 m in 2 minutes. The torque acting on the windless is 25 kgm and the drum of the windless makes 30 rpm. The efficiency of the inclined plane would be
A.26.50%
B.41%
C.53.05%
D.61%
E.66%
Compared to the combined melting-vaporization process sublimation occurs at
A.higher pressures
B.lower pressures
C.same pressure
D.none of the above
Cooling towers are used for cooling water
A.To be injected in circulating air
B.To be used for humidification
C.To be used for filtration of air
D.To be used for cooling the compressor
E.To be used for cooling the building
For a vibrating body, if ratio ?/?n is very high, then phase angle would tend to approach
A.0?
B.90?
C.180?
D.270?
E.None of the above
If the rod in problem 165 stands erected vertically upwards then it will be known as
A.Short column
B.Strut
C.Long column
D.Medium column
E.None of the above
The effect of corona can be reduced by
A.Increasing the conductor size and reducing the spacing between the conductors
B.Increasing the conductor size and also by increasing the spacing between the conductors
C.Reducing the conductor size and increasing the spacing between conductors
D.Reducing the conductor size as well as spacing between the conductors
E.None of the above
In the case of an automobile power is transmitted from the gear box to the differential through
A.Bevel gears
B.Hooke’s joint
C.Oldham’s coupling
D.None of the above
