Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) Becomes more oscillatory (frequency increases) Gets attenuated (magnitude decreases) Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) Becomes more oscillatory (frequency increases) Gets attenuated (magnitude decreases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pirani gauge is used for the measurement of Liquid level under pressure Very high pressure High vacuum Liquid level at atmospheric pressure Liquid level under pressure Very high pressure High vacuum Liquid level at atmospheric pressure 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 Nyquist Routh stability Bode stability None of these Nyquist Routh stability Bode stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stroboscope is used for the measurement of Liquid level under pressure Rpm of a flywheel Depression of freezing point Frequency of light Liquid level under pressure Rpm of a flywheel Depression of freezing point Frequency of light ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh stability method uses __________ loop transfer function. Closed Neither A nor B Open Either A or B Closed Neither A nor B Open Either A or B ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is Platinum-platinum+rhodium Chromel-alumel Iron-constantan None of these Platinum-platinum+rhodium Chromel-alumel Iron-constantan None of these ANSWER DOWNLOAD EXAMIANS APP