IndiaBIX

Chemical Engineering - Process Control and Instrumentation

Exercise : Process Control and Instrumentation - Section 6
46.
The Laplace transform of exp(at), where a > 0, is defined only for the Laplace parameter, s > a since
the function is exponential.
the Laplace transform of integral of exp(at) has finite values only for s > a.
the Laplace transform integral of exp(at) has initial values only for s > a.
the function exp(at) is piece-wise continuous only for s > a.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Meleoid gauge measures the __________ pressure.
positive
sub-atmospheric
very high
atmospheric
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Which of the following thermocouples is capable of measuring a temperature of -50°C?
Platinum - platinum + rhodium
Chromel - alumel
Iron-constantan
Copper - constantan
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1).
w = 1/14, Kc = 45/714
w = 7/6, Kc = 46/3
w = 1, Kc = 13
w = 7/8, Kc = 45/4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure.
961.93
630.74
1064.43
1261.93
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers