Standard electrical resistance are made of
A.Constantan
B.Tungsten
C.Phosphor bronze
D.Manganin
E.Invar
A.Constantan
B.Tungsten
C.Phosphor bronze
D.Manganin
E.Invar
A.Tumbling
B.Tempering
C.Shot peening
D.Rapid cooling
E.Rapid heating
A.L-D process
B.Duplex process
C.Bessemmer process
D.Open hearth process
E.Electric process
A.0.00%
B.0.03%
C.0.04%
D.0.25%
E.0.13%
A.Nickel
B.Cobalt
C.Iron
D.Zinc
E.Cast iron
A.BCC
B.FCC
C.ACP
D.Cubic
E.Combination of all above
A.A net dipole moment is induced in the material
B.There is a net reduction in flux density
C.The induced magnetism is in opposition to applied field
D.All of the above
E.None of the above
A.T 55 Ni Cr 65 Mo 30
B.T 75 W 18 Co 6 Cr 4
C.T 10 Cr 5 Mo 75 V 23
D.T 75 W 18 Co 6 Cr 4 V 1 Mo 75
E.None of the above
A.Wrought iron
B.Pig iron
C.Mild steel
D.Grey cast iron
E.Nodular cast iron