Process Control And Instrumentation | Test For NTS PPSC FPSC, TEST

A. Filling nitrogen under pressure in the stem
B. Increasing the diameter of the tube
C. Using steel tube in place of glass tube
D. Accounting for the tube expansion

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Category: Process Control and Instrumentation

Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is ___________________?

Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a __________________?

Liquid argon level in a pressurised storage tank (at 3 kg/cm2) is measured by a/an ____________________?

Which of the following is an undesirable dynamic characteristic of an instrument ?

Stroboscope is used for the measurement of _________________?

Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an ?

_______________ thermometer cannot measure sub-zero (< 0° C) temperature ?

Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by__________________?

Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference ?

The frequency response of a dynamic element shows a constant magnitude ratio at all frequencies. The element exhibits a negative phase shift at all frequencies. The absolute value of the phase shift increases linearly with frequency. The element has the transfer function ?