Eddy currents
A.Increase with frequency
B.Increase with square of frequency
C.Increase with cube of frequency
D.Increase with fourth power of frequency
E.Increase as inverse of frequency
Category: Mechanical Engineering Mcqs
The least count of a vernier caliper used in industries is generally
A.0.001 mm
B.1 mm
C.0.02 mm
D.None of the above
Roller conveyors are used for the movement of
A.fine dusts
B.granular materials
C.corrosive materials
D.package goods
Which of the following turbidimeter gives direct readings in ppm
A.Jackson turbidimeter
B.Hellige turbidimeter
C.Baylis turbidimeter
D.All of the above
E.None of the above
Sand grains which give high mould strength are
A.Rounded grains
B.Sharp or Angular grains
C.Sub-angular grains
Micromotion study is
A.Enlarged view of motion study
B.Analysis of one stage of motion chart
C.Motion study when seen on a time chart
D.Sub-division of an operation into therbligs and their analysis
E.Motion study with micro-seconds as units
The mean effective pressure of a diesel cycle having fixed compression ratio will increase if cut off ratio will
A.Increase
B.Decrease
C.Independent of CR
D.Depends on other factors
E.None of the above
Gold ornaments are generally produced by
A.Die-casting
B.Investment casting
C.Centrifugal casting
D.Slush casting
E.Pressed casting
If the door of a refrigerator in a room is left open, the temperature of the room will
A.decrease
B.increase
C.remain unaltered
A turbocharger is a part of
A.Thermal power plant
B.Diesel engine power plant
C.Gas turbine power plant
D.Hydro-electric power plant
E.Nuclear power plant
