Which of the following thermocouple materials does not contain nickel ?

Related Mcqs:

1. The calibration data of a thermocouple with its cold junction at 0°C are given below. The hot junction of the thermocouple is placed in a bath at 80°C, while its cold junction is at 20°C. What is the emf of thermocouple ?

   A. 3.26 mv B. 0.80 mv C. 2.46 mv D. 2.43 mv...

2. Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is __________________?

   A. 12 B. 36 C. 54 D. 68...

3. Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is________________?

   A. Chromel-alumel B. Iron-constantan C. Platinum-platinum + rhodium D. None of these...

4. Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is ___________________?

   A. Chromel-alumel B. Iron-constantan C. Platinum-rhodium D. Platinum-platinum + rhodium...

5. Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is_______________?

   A. Chromel-alumel B. Iron-constantan C. Platinum-platinum + rhodium D. Either A., B. or C....

6. Out of the following thermocouple wire insulating material, the highest temperature rating is for________________?

   A. Teflon B. Ceramic fibre C. Asbestos D. Fibre glass...

7. Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit ?

   A. Seebeck effect B. Peltier effect C. Joule heating effect D. Thomson effect...

8. Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by _____________ effect?

   A. Peltier B. Thomson C. Seebeck D. None of these...

9. The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an _____________ thermocouple?

   A. Chromel-alumel B. Iron-constantan C. Platinum-platinum/rhodium D. None of these...

10. What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple ?

    A. 0.1 B. 3 C. 13 D. 29...