EXAMIANS
The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple.
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Working principle of mercury in glass thermometer is
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With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer
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On-off controllers are normally used for
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Which of the following flow-metering instru-ments is an areameter?
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Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is
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In a closed loop system, the process to be controlled is an integrating process with transfer function l/2s. The controller proposed to be used in an integral controller with transfer function 1/T₁s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit
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The transfer function of a first order system is
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Phase lag of the sinusoidal response of a first order system is
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Which of the following can measure temperatures in the range of - 20 to 300°C ?
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