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Which thermocouple can be used to measure a temperature of around 1400°C ?
Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference ?
The term analogous to the electrical current in a thermal system is the
Which of the following is a desirable characteristic of an instrument ?
Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an
Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion?
The __________ of a vapor pressure thermometer is a secondary element
The __________ of a vapor pressure thermometer is a functioning element.
Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C.
__________ is undesirable in thermocouples used in industries
Flapper nozzle is used in a/an __________ controller
Gas chromatography is used for the measurement of
Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.
Which of the following is not a mechanical pressure sensing element ?
Radiation pyrometers as compared to thermocouples
Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C.
Bode diagram are generated from output response of the system subjected to which of the following input?
Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature ?
Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is
Measurement of sub-zero Celcius temperature in industry is done most commonly by
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