What is the Laplace transform of impulse input having magnitude „X‟ ?
What is the Laplace transform of impulse input having magnitude „X‟ ?
A. X
B. X2
C. 1/X
D. 1
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Thermal wells are used in the temperature measurement to____________________?A. Guard against corrosive and oxidising action on thermocouple materials
B. Reduce measuring lag
C. Increase the fidelity
D. Increase the sensitivityTo increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with ________________?
To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with ________________?A. Air
B. A metal powder or graphite
C. Oil
D. MercuryWhich of the following is an undesirable dynamic characteristic of an instrument ?
Which of the following is an undesirable dynamic characteristic of an instrument ?A. Reproducibility
B. Dead zone
C. Time lag
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On-off control which is a special case of proportional control, has a band width of about _____________ percent?A. 100
B. 75
C. 25
D. 0Gas chromatography is used for the measurement of ________________?
Gas chromatography is used for the measurement of ________________?A. Temperature
B. Pressure
C. Concentration
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For an input forcing function, X(t) = 2t2, the Laplace transform of this function is________________?A. 2/s2
B. 4/s2
C. 2/s3
D. 4/s3