Category: Engineeeing Mcqs

A.Ni (69%) and Cu (28%)
B.Ni (69%) and Cr (31%)
C.Cu (55%) and Sn (45%)
D.Fe (90%) and Cr (10%)

A.absorption and evolution of heat at the junctions of a thermocouple to the current flow in the circuit
B.e.m.f. generated in a single homogeneous wire and the temperature difference
C.electrical resistance with temperature
D.e.m.f. generated in a single homogeneous wire and the temperature difference

A.at every temperature
B.only at the calibrated points
C.at temperature midway between the calibrated points
D.at temperatures near zero kelvin.

A.platinum
B.carbon
C.copper
D.constantan

A.remains unaffected with change in temperature
B.increases with increase in temperature
C.increases linearly with incease in temperature
D.decreases with increase in temperature

A.any liquid solution
B.sugars and chemicals having symmetrical structures
C.any solid
D.any gaseous mixture

A.temperature
B.flow rate
C.current
D.e.m.f.