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) G/(1 + H) G/H H/G H(1 + G) G/(1 + H) G/H H/G ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A non-linear chemical system is exemplified by a/an Isothermal CSTR Non-isothermal CSTR Mixer None of these Isothermal CSTR Non-isothermal CSTR Mixer None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. None of these Stable Critically damped Unstable None of these Stable Critically damped Unstable ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A system with a double pole at the origin is unstable since the corresponding term in the time domain Grows exponentially with time Grows linearly with time Is a constant Decays linearly with time Grows exponentially with time Grows linearly with time Is a constant Decays linearly with time ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is capable of measuring a temperature of -50°C? Platinum - platinum + rhodium Iron-constantan Copper - constantan Chromel - alumel Platinum - platinum + rhodium Iron-constantan Copper - constantan Chromel - alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Photoelectric pyrometers are suitable in the temperature range of __________ °C. 400-1000 800-2500 400-1600 800-1600 400-1000 800-2500 400-1600 800-1600 ANSWER DOWNLOAD EXAMIANS APP
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