IndiaBIX

Chemical Engineering - Process Control and Instrumentation

Exercise : Process Control and Instrumentation - Section 2
21.
Pick out the wrong statement
Proportional controller is normally used for level control in industrial applications.
CSTR can be considered as a distributed parameter system.
Distributed parameter approach gives partial differential equation.
Non-linear behaviour is exemplified by an on-off controller.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Range of hydrogen gas constant volume themometer is __________ °C.
-10 to 20
0 to 100
100 - 500
400 - 1000
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The initial value (t=0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is
0
1/2
1
2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The __________ of a vapor pressure thermometer is a primary element.
pointer
Bourdon tube
bulb
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The time constant of a first order process with resistance R and capacitance C is
R + C
R - C
RC
1/RC
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers