Which of the following is not a mechanical pressure sensing element? Bellows Dia

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Chemical Engineering ‣ Process Control and Instrumentation Comments

Question
Which of the following is not a mechanical pressure sensing element?
Options
A. Bellows
B. Diaphragm
C. Bourdon tube
D. U-tube

Correct Answer

U-tube

Process Control and Instrumentation problems

Search Results

4. 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.

9. 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
Options
A. depends only upon the open loop transfer function.
B. determines its stability.
C. is the same for set point or load changes.
D. all 'a', 'b' & 'c'

10. The experimental response of the controlled variable y(t) for a step change of magnitude P in the manipulated variable x(t) is shown below :

The appropriate transfer function of the process is
Options
A.
B.
C.
D.

Comments

More in Chemical Engineering: