A. Of cold junction only
B. Of hot junction only
C. Difference between hot and cold junctions
D. Difference between cold junction and atmospheric temperature
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Related Mcqs:
- 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...
- 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...
- 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...
- 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....
- Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference ?
- A. Peltier effect B. Thomson effect C. Seebeck effect D. None of these...
- The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C?
- A. 250 B. 500 C. 750 D. 1000...
- 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...
- Out of the following thermocouple wire insulating material, the highest temperature rating is for________________?
- A. Teflon B. Ceramic fibre C. Asbestos D. Fibre glass...
- Which thermocouple can be used to measure a temperature of around 1400°C ?
- A. Copper-constantan B. Aluminium-Chromel C. Platinum-platinum + rhodium D. None of these...
- The thermal emf-temperature relationship of most thermocouples is_________________?
- A. Linear B. Parabolic C. Exponential D. Square root...
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