Process Control and Instrumentation What is the Laplace transform of sin t ? S/(s² + 1) S/(s² - 1) 1/(s² + 1) 1/(s² - 1) S/(s² + 1) S/(s² - 1) 1/(s² + 1) 1/(s² - 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation pyrometers as compared to thermocouples Has a slower speed of response Can measure higher temperature Is more affected by corrosive atmosphere Can't measure the temperature of moving objects Has a slower speed of response Can measure higher temperature Is more affected by corrosive atmosphere Can't measure the temperature of moving objects ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is Ethylene glycol Carbon tetrachloride Water Paraffin Ethylene glycol Carbon tetrachloride Water Paraffin 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. None of these Bode stability Nyquist Routh stability None of these Bode stability Nyquist Routh stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stabilising time for the controllers is the time required for the response to reach __________ percent of its ultimate value. 63.2 100 95 87.5 63.2 100 95 87.5 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation On-off controllers are normally used for Temperature changes Low loads None of these Flow rate changes Temperature changes Low loads None of these Flow rate changes ANSWER DOWNLOAD EXAMIANS APP
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