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 G/(1 + H) H(1 + G) G/H H/G G/(1 + H) H(1 + G) G/H H/G ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A stable system is the one For which the output response is bounded for all bounded input Which exhibits an unbounded response to a bounded input Which satisfies the conditions for a servo problem None of these For which the output response is bounded for all bounded input Which exhibits an unbounded response to a bounded input Which satisfies the conditions for a servo problem None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Becomes more oscillatory (frequency increases) Becomes less oscillatory (frequency decreases) Gets attenuated (magnitude decreases) Gets amplified (magnitude increases) Becomes more oscillatory (frequency increases) Becomes less oscillatory (frequency decreases) Gets attenuated (magnitude decreases) Gets amplified (magnitude increases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Specific gravity of a liquid can not be measured by a/an Pycnometer Specific gravity bottle Anemometer Hydrometer Pycnometer Specific gravity bottle Anemometer Hydrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches -1 ∞ 1 -1 ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a 'contact' pyrometer? Optical pyrometer Resistance pyrometer Radiation pyrometer Infra red pyrometer Optical pyrometer Resistance pyrometer Radiation pyrometer Infra red pyrometer ANSWER DOWNLOAD EXAMIANS APP
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