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Process Control and Instrumentation

Process Control and Instrumentation
What is the Laplace transform of sin t ?

S/(s² - 1)
1/(s² - 1)
1/(s² + 1)
S/(s² + 1)

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Process Control and Instrumentation
Response of a linear control system for a change in set point is called

Servo problem
Transient response
Regulator problem
Frequency response

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Process Control and Instrumentation
Temperature measurement by optical pyrometer is done above __________ point, which is 1063°C.

Gold
Silver
Nickel
Antimony

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Process Control and Instrumentation
Mercury thermometer can be used to measure the temperature upto __________ °C.

750
100
350
250

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Process Control and Instrumentation
For an input forcing function, X(t) = 2t², the Laplace transform of this function is

2/s³
2/s²
4/s²
4/s³

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Process Control and Instrumentation
Emission spectroscopy is used for

Determining water purity
Solids and metal analysis
Determination of CO₂ in gases
NOxdetermination

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