Dry blast cleaning involves
A.Blasting the surface with abrasive material
B.Blasting the surface with air only
C.Blasting the surface with sand
D.Blasting the surface with oil
E.None of the above
Category: Production Engineering Mcqs
Generally the pattern used in manufacturing cast iron pipes are
A.Solid pattern
B.Match-plate pattern
C.Split pattern
D.Sweep pattern
E.None of the above
A rotameter is used to measure
A.rpm of engines
B.Rotation of shafts
C.Twist due to torque applied on shafts
D.Flow of liquids and gases
E.Magnetic flux variation
In electrical resistance welding cleaning of metals to be welded
A.Is immaterial
B.Is important
C.Can be neglected
D.Does not have any effect on the welding
E.None of the above
Prescribed maximum reading distance for a 100 mm dial is generally
A.1 m
B.1 – 1.5 m
C.1.5 – 2.0 m
D.2.5 – 3 m
E.4 – 5 m
Molasses in a foundry shop is used
A.For cleaning castings
B.For preventing rusting of castings
C.For making moulds
D.For core making
E.For use as a fuel in furnace
For drills having diameter upto 12.7 mm.
A.Parallel shank is provided
B.Tapered shank is provided
C.Shank may be either of (A) or (B)
A thin tube is to be cut by hacksawing. Blades with following TPI are available which blade will be appropriate for the job
A.14 TPI
B.18 TPI
C.20 TPI
D.32 TPI
E.4- TPI
In Rockwell test for hardness on B scale
A.A steel ball is used
B.A diamond cone is used
C.A steel hammer is used
D.A plastic hammer is used
E.A mechanite ball is used
In manufacturing ERW tube the type of welding generally used is
A.Are welding
B.Electrical resistance welding
C.Gas welding
D.Induction welding
E.Thermit welding
