Hindustan Copper Limited has main plant in Khetri which is in the state of
A.Rajasthan
B.J & K
C.Haryana
D.Punjab
Category: Engineeeing Mcqs
One of the objects of annealing is
A.To soften the metal
B.to improve machinability
C.To refine grain structure
D.To refine internal stresses
E.All above
1 m of water column is equivalent to
A.0.1 kN/m2
B.1.0 kN/m2
C.10 kN/m2
D.100 kN/m2
E.1000 kN/m2
Gamma iron exists at temperatures in the range
A.Room temperature and lower critical temperature
B.Between 500?C and 850?C
C.Between 900?C and 1400?C
D.Between 1400?C and 1600?C
E.Above 1600?C
The amount of energy expended by the action of external force in deforming an elastic body is known as
A.Elastic energy
B.Deformation energy
C.Work done
D.Potential energy
E.Strain energy
The contraction allowance for pattern depends on
A.composition of the metal
B.method of moulding used
C.pouring temperature
D.all of the above
The net magnetic moment is zero is case of
A.Ferromagnetic materials
B.Ferrimagnetic materials
C.Anti-ferromagnetic materials
D.All of the above
E.None of the above
Pyrophosphoric acid can be made by heating the orthophosphoric acid to
A.100?C
B.250?C
C.900?C
D.1400?C
The ignition coil acts as
A.An inductor
B.A capacitor
C.A RC circuit
D.A step up transformer
E.A step down transformer
The number of atoms per unit cell in BCC is
A.9
B.3
C.4
D.6
E.8
