Q. The operation of a rotameter is based on

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Q. 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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Q. Instrumentation in a plant offers the advantage of

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Q. Which of the following temperature measuring instruments need not touch the object whose temperature is being measured ?

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Q. Pick out the wrong statement.

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Q. The __________ of a vapor pressure thermometer is a functioning element.

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Q. A negative gain margin expressed in decibels means a/an __________ system.

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Q. 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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Q. Flapper nozzle is used in a/an __________ controller.

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Q. Compositional analysis of __________ is done using mass spectrometer.

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Q. The function of a transducer is to

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Q. Nichol's chart deals with

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Q. Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature ?

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Q. 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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Q. The __________ of a vapor pressure thermometer is a secondary element.

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Q. 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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Q. Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit?

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Q. The second order system with the transfer function 4 / (s²+2s+4) has a damping ratio of

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Q. In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the __________ variable.

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Q. Pick out the wrong statement

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