Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the ________________?

Byadmin March 5, 2019August 24, 2021

Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the ________________?

A. Mercury in glass thermometer
B. Optical pyrometer
C. Iron-constantan thermocouple
D. Alcohol filled thermometer

Process Control and Instrumentation

The time taken for a radioactive element to reduce to 50% of its original weight is _____________ years, if its half life period is 12 years?

The time taken for a radioactive element to reduce to 50% of its original weight is _____________ years, if its half life period is 12 years?

A. 24
B. 18
C. 6
D. 36

Read More The time taken for a radioactive element to reduce to 50% of its original weight is _____________ years, if its half life period is 12 years?
Process Control and Instrumentation

Phase lag of the sinusoidal response of a first order system is _________________?

Phase lag of the sinusoidal response of a first order system is _________________?

A. 120°
B. 30°
C. 180°
D. 90°

Read More Phase lag of the sinusoidal response of a first order system is _________________?
Process Control and Instrumentation

An ideal PID controller has the transfer function [1 + (1/0.55) + 0.25]. The frequency at which the magnitude ratio of the controller is 1, is________________?

An ideal PID controller has the transfer function [1 + (1/0.55) + 0.25]. The frequency at which the magnitude ratio of the controller is 1, is________________?

A. 0.5/0.2
B. 0.2/0.5
C. 0.2 × 0.5
D. 1/√(0.2 × 0.5)

Read More An ideal PID controller has the transfer function [1 + (1/0.55) + 0.25]. The frequency at which the magnitude ratio of the controller is 1, is________________?
Process Control and Instrumentation

In a second order under damped system, the_________________?

In a second order under damped system, the_________________?

A. Time required for the response of first reach its ultimate value is called the response time
B. Overshoot (which is a measure of how much the response exceeds the ultimate value) increase
with the decrease of damg co-efficient
C. Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of
overshoot
D. None of these

Read More In a second order under damped system, the_________________?
Process Control and Instrumentation

If response of a control system is to be free of offset and oscillation, the most suitable controller is_________________?

If response of a control system is to be free of offset and oscillation, the most suitable controller is_________________?

A. Proportional controller
B. Proportional-derivative (PD) controller
C. Proportional-integral (PI) controller
D. Proportional integral-derivative (PID) controller

Read More If response of a control system is to be free of offset and oscillation, the most suitable controller is_________________?
Process Control and Instrumentation

In a shell and tube heat exchanger, the inlet temperature of heating/cooling fluid is the ____________ variable?

In a shell and tube heat exchanger, the inlet temperature of heating/cooling fluid is the ____________ variable?

A. Load
B. Manipulated
C. Controlled
D. None of these

Read More In a shell and tube heat exchanger, the inlet temperature of heating/cooling fluid is the ____________ variable?

Similar Posts