Welcome to your Engineering Instrumentation
Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C.
The term analogous to the electrical current in a thermal system is the
__________ is undesirable in thermocouples used in industries
Which of the following is a desirable characteristic of an instrument ?
Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a
Radiation pyrometers as compared to thermocouples
Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an
Which of the following is not a mechanical pressure sensing element ?
Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is
Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference ?
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.
Concentration of sugar solution can be determined by the
Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature ?
Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C.
Load cells are used for the measurement of
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 functioning element.
Measurement of sub-zero Celcius temperature in industry is done most commonly by
Gas chromatography is used for the measurement of
The __________ of a vapor pressure thermometer is a secondary element
