Process Control and Instrumentation The function of a transducer is to Modify the input signal Codify/decodify the input signal Amplify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Modify the input signal Codify/decodify the input signal Amplify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flapper nozzle is used in a/an __________ controller. None of these Pneumatic Electronic Hydraulic None of these Pneumatic Electronic Hydraulic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is H(1 + G) H/G G/H G/(1 + H) H(1 + G) H/G G/H G/(1 + H) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by Increasing the diameter of the tube Accounting for the tube expansion Using steel tube in place of glass tube Filling nitrogen under pressure in the stem Increasing the diameter of the tube Accounting for the tube expansion Using steel tube in place of glass tube Filling nitrogen under pressure in the stem ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C. Bimetallic thermometer None of these Mercury thermometer Radiation pyrometer Bimetallic thermometer None of these Mercury thermometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. Bode stability Routh stability None of these Nyquist Bode stability Routh stability None of these Nyquist ANSWER DOWNLOAD EXAMIANS APP
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