Transfer function of transportation lag is___________________?
Transfer function of transportation lag is___________________?
A. eTS
B. e-TS
C. 1/(Ts + 1)
D. None of these
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“A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency.” This is _______________ criterion?
“A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency.” This is _______________ criterion?A. Bode stability
B. Nyquist
C. Routh stability
D. None of theseWhich of the following thermocouples will give the highest output for the same value of hot and cold junction temperature ?
Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature ?A. Platinum-platinum + rhodium
B. Iron-constantan
C. Chromel-constantan
D. All will give the same outputAll the thermocouples used for temperature measurement use dissimilar metal ________________?
All the thermocouples used for temperature measurement use dissimilar metal ________________?A. Strips
B. Bars
C. Wires
D. BeadsDome temperature of blast furnace stove is most accurately measured by a____________________?
Dome temperature of blast furnace stove is most accurately measured by a____________________?A. Radiation pyrometer
B. platinum-platinum/rhodium thermocouple
C. Iron-constantan thermocouple
D. Platinum resistance thermometerVapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by__________________?
Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by__________________?A. Making the volume of thermometer bulb as large as conveniently possible
B. Reducing the volume of the capillary to a minimum
C. Reducing the volume of the receiving element to a minimum
D. All A , B & C.The response of two tanks of same size and resistance in series is __________________?
The response of two tanks of same size and resistance in series is __________________?A. Under damped
B. Critically damped
C. Over damped
D. None of the above