Which of the systems having the following transfer function is stable?

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Question
Which of the systems having the following transfer function is stable?
Options
A.
B.
C.
D.

Correct Answer

Process Control and Instrumentation problems

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2. The calibration data of a thermocouple with its cold junction at 0�C are given below.

The hot junction of the thermocouple is placed in a bath at 80�C, while its cold junction is at 20�C. What is the emf of thermocouple?
Options
A. 3.26 mv
B. 0.80 mv
C. 2.46 mv
D. 2.43 mv

3. Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their
Options
A. low thermal conductivity.
B. low electrical conductivity.
C. high viscosity index.
D. low flash point.

9. 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
Options
A. e^-?_s
B.
C.
D.

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