With HSS tools the maximum safe operating temperature is of the order of
A.200?C
B.340?C
C.440?C
D.540?C
E.640?C
Category: Production Engineering Mcqs
Discontinuous type chips are generally produced in
A.Mild steel
B.Cast iron
C.Aluminium
D.Alloy steels
E.Duralumin
The machining allowance provided on pattern depends on
A.The casting orientation
B.Size and shape of casting
C.Degree of accuracy required
D.All of the above
E.None of above
In die casting process
A.Any metal can be cast
B.Any size of casting can be prepared
C.The cost of dies is generally insignificant
D.Very high production rates are possible
E.Dimensional accuracy is immaterial
A bleed type relay is generally used in
A.Pneumatic systems
B.Electrical systems
C.Electronic systems
D.Mechanical systems
E.None of the above
Which one of the following is not included in the combinations set?
A.A rule
B.Square
C.A centre head
D.A protector
E.Short rule
A twist drill is specified by
A.The size of hole it can drill
B.A number specifying hole size
C.A letter of alphabet
D.Any of the above
E.None of above
Silicon steel is used for
A.Boiler plates
B.Industrial knives
C.Ball bearings
D.Dies
E.Electrical stampings
A micron is
A.1 mm
B.0.1 mm
C.0.01 mm
D.0.001 mm
E.0.0001 mm
Shot blasting is
A.Process of cleaning moulding sand
B.Process of cleaning core sand
C.Process of supplying blast of hot air to cupola
D.Process of cleaning castings
E.Process of cleaning spherical objects only
