In following operations are to be performed on a job, which one would be performed first
A.Drilling
B.Boring
C.Counter sinking
D.Tapping
E.Sport facing
Category: Production Engineering Mcqs
The audible spectrum of sound is in the range of
A.0 to 100 cps
B.30 to 15000 cps
C.15000 to 25000 cps
D.25000 to 10000 cps
Fetling of castings is done to
A.Smoothen surfaces
B.Fill the void by welding
C.Remove the extra material from castings
D.To remove internal stresses from castings
E.To produce uniformly cooled castings.
Which one of the following is an angle measuring device?
A.Trammel
B.Hermaphrodite caliper
C.Divider
D.Angle iron
E.Sine bar
In electrical resistance welding when the current passes through the metal, the greatest resistance is
A.At the surface
B.Through the metals to be welded
C.At the point of contact of the metal to be welded
D.At the point where electrode contacts the metal
E.None of the above
A time switch is
A.A switch which operates for a fixed time only
B.A switch which gets energised with time
C.A 24 hour timing device used to open and close electric circuits according to time of day on a continually repeating schedule
D.A switch with records timings of operation of a circuit
E.None of the above
In theory of metal cutting the shear plane angle is the angle between
A.Shear plane and job surface
B.Shear plane and verticalplane
C.Shear plane and horizontal plane
D.Shear plane and tool surface
E.Shear plane and tool axis
Lathe bed is made of
A.Mild steel
B.Cast steel
C.Pig iron
D.Close grain cast iron
E.Alloy steel
The facting sand used in foundry generally consists of
A.Alumina, clay and silica
B.Alumina and clay
C.Aluminium and silica
D.Silica and binder
E.Silica and clay
The limitation of a pneumatically operated automatic control system
A.is complexity of components
B.is costly maintenance
C.Suffers from the transmission lags and slow response
D.None of the above
E.All of the above
