Material used for resistances is generally
A.Duralumin
B.Nichrome
C.Monel metal
D.Elinvar
E.Constantan
Category: Production Engineering Mcqs
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
Chisels used for metal cutting are
A.Hardened
B.Annealed
C.Hardened and tempered
D.Annealed, hardened and tempered
E.None of the above
2% Nickel in steel makes it suitable for
A.Boiler plates, rivets etc
B.Connecting rods
C.Turbine blade
D.Anti corrosion characteristics
E.Electronic valves
The range of voltage (open circuit) in are welding is generally
A.20 – 40 V
B.40 – 90 V
C.100 – 150 V
D.150 – 230 V
E.400 – 440 V
Bellows are
A.Used in foundry for moistening the mould
B.Used in foundry for cleaning the casting
C.Used in foundry for blowing loose sand from cavities and surface of the mould
D.Used in foundry for smoothening and cleaning out depression in the mould
E.Used in foundry for repairing the moulds
Which of the following welding process uses consumable electrodes
A.MIG welding
B.TIG welding
C.Laser welding
D.Thermit welding
E.Gas welding
