The properties of cast iron are regulated by
A.The composition of raw material
B.Heating temperature
C.Heat treatment
D.Percentage of carbon present
E.Control of amount, type, size and distribution of various carbon formations
Category: Mechanical Engineering Mcqs
The efficiency of a jet propulsion unit is generally high at altitudes of
A.1000 metres
B.5000 metres
C.7500 metres
D.9000 metres
E.More than 10,000 metres
Job enrichment means
A.Paying more for entry level jobs
B.providing further training in job skills
C.adding more tasks at the same level
D.adding some planning and control to a job
E.None of the above
Age hardening is generally applicable to
A.Cast iron
B.Medium carbon steels
C.High alloy steels
D.Alloys of aluminium, magnesium, nickel etc
E.Alloys of chromium, vanadium etc
If the water level in engine is maintained low, the likely consequence could be
A.Piston seizure
B.Engine knocking
C.Bearing deterioration
D.All of the above
E.None of the above
Lathe bed is made of
A.Mild steel
B.Cast steel
C.Pig iron
D.Close grain cast iron
E.Alloy steel
Which allotropic form of iron does not have body centred cubic lattice?
A.Alpha iron
B.Beta iron
C.Gamma iron
D.Delta iron
E.All of the above
