A shim is
A.A treatment given to a surface to prevent rusting
B.A dull corner on a shaft
C.A thin piece of sheet metal used between mating parts to provide the proper distance
D.A surface on which bearings are fitted
E.A kind of shrink fit
Category: Production Engineering Mcqs
Photoelectric transducers are used for the measurement of any phenomenon which can be used to produce
A.Variation in current
B.Variation in voltage
C.Variation in light intensity
D.Variation in flux density
E.Any of the above
To clean a hand file
A.It is dipped in water
B.It is dipped in dilute acid
C.It is rubbed on stone
D.File card is used
E.It is rubbed on wood
The method of joining metals by means of cast iron alloy whose melting point is below 425?C is known as
A.Non-ferrous welding
B.Galvanising
C.Adhesive bonding
D.Soldering
E.Brazing
A mandrel is
A.A slightly tapered hardened steel shaft that supports works which cannot be supported otherwise
B.A tapered gauge used for inspection of tapered holes
C.Auxiliary chuck used on lathe for holding small loads
D.Is used in lathe work to hold castings
E.None of above
Material used for resistances is generally
A.Duralumin
B.Nichrome
C.Monel metal
D.Elinvar
E.Constantan
In case of very hard surfaces the Brinell Hardness test method fails to give reliable results because
A.Ball does not force into the metal
B.Ball deforms on very hard surfaces
C.Ball slips along the surface
D.It is generally not desired to use this method in such cases
E.None of the above
In which operation on a work piece on lathe the spindle speed with be least?
A.Parting off
B.Finishing
C.Taper turning
D.Thread cutting
E.Plain turning
In order to avoid unscrewing while on a bicycle the shaft or the right padel is screwed in with
A.Left hand thread
B.Right hand thread
Poor fusion in a welded joint may be due to
A.Lack of flux
B.Improper current
C.High welding speed
D.Dirty metal surface
E.None of the above
