MCQs: 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 ?
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MCQs: Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is_______________?
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MCQs: Pressure of 0.0001 absolute psi can be measured by _____________ gauge?
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MCQs: Thermal wells used in temperature measurements should have __________________?
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MCQs: The unit step response of the transfer function (2s – 1)/[(3s + 1) (4s + 1)] reaches its final steady state asymptotically after _____________?
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MCQs: A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if________________?
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MCQs: On-off controllers are normally used for________________?
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MCQs: A pyrheliometer is an instrument used for measuring the_________________?
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MCQs: Which of the following temperature measuring instruments need not touch the object whose temperature is being measured ?
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MCQs: In a shell and tube heat exchanger, the inlet temperature of heating/cooling fluid is the ____________ variable?
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MCQs: The ____________ of a vapor pressure thermometer is a secondary element ?
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MCQs: Thermistors are used in ____________ devices?
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MCQs: Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an ?
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MCQs: The ____________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature ?
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MCQs: For a feed back control system to be stable, the _________________?
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MCQs: Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature ?
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MCQs: Use of I-control along with P-control facilitates ?
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MCQs: Polarograph is meant for the analysis of __________________?
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MCQs: Response of a system to a sinusoidal input is called _____________ response?
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MCQs: The characteristic equation for the control system with a closed loop transfer function G1/1 + G2 is given by 1 + G2 = 0. The characteristic equation for the control system_________________?
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