1. . The process of generation of voltage by applying heat energy to a junction of two dissimilar metals is called_________.
(A) Thermometry
(B) Thermoelectricity
(C) Thermodynamics
(D) Pyrometry
2. . When two dissimilar metals like copper and zinc are joined together, a transfer of _________ can take place
(A) Electron
(B) Proton
(C) Neutron
(D) All these
3. . The metal which does not exhibit Thomson effect is_________.
(A) Iron
(B) Nickel
(C) Lead
(D) Copper
4. . As heat energy is applied to the junction of two dissimilar metals electrons are _________.
(A) Absorbed
(B) Released
(C) Destroyed
(D) Not effected
5. . The thermoelectric voltage in a thermocouple is dependent upon the ________ applied to the junction of the two dissimilar metals
(A) Pressure
(B) Liquid
(C) Voltage
(D) Heat energy
6. . The Thermoelectricity or thermoelectric effect comprises of _________ distinct effects
(A) Two
(B) Three
(C) Four
(D) Eight
7. . There is a generation of electrical potential due to the application of a heat source is known as_________.
(A) Seebeck effect
(B) Peltier effect
(C) Thomson effect
(D) Bourdon effect
8. . The ______________ is the reverse phenomenon of the Seebeck effect
(A) Thermal effect
(B) Peltier effect
(C) Thomson effect
(D) Bourdon effect
9. . The absorption or evolution of heat energy, if a current is allowed to flow in a conductor having its different parts of different temperatures is known as _________.
(A) Seebeck effect
(B) Peltier effect
(C) Thomson effect
(D) Bourdon effect
10. . The transfer of heat due to the current in the direction of the current is called the _________.
(A) Positive Seebeck effect
(B) Negative Thomson effect
(C) Positive Thomson effect
(D) Positive Peltier effect
11. . A third metal may be inserted into a thermocouple system without affecting the e.m.f generated is law of _________.
(A) Thermal effects
(B) Conductance
(C) Resistive metals
(D) Intermediate metals
12. . A process whereby a voltage is added (or subtracted) from the output voltage of the thermocouple so that the reference junction appears to be at 0 °C even if it is not is known as _________ junction compensation.
(A) Hot
(B) Cold
(C) Measured
(D) Source
13. . The amount of energy absorbed or evolved when unit current flows for one second between two points of a conductor which differ in temperature by 1°C is called_______.
(A) Seebeck coefficient
(B) Coefficient of absorption
(C) Thomson coefficient
(D) Peltier effect coefficient
14. . _______converts change in temperatures of its metallic junction to electrical voltage.
(A) Thermocouple
(B) Thermistor
(C) Actuator
(D) Electrometer
15. . A third metal may be inserted into a thermocouple system if, and only if, the junctions with the third metal are kept at the
(A) Same pressure
(B) Same temperature
(C) Different pressure
(D) Constant temperature