Process Control and Instrumentation Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury. 350 250 550 700 350 250 550 700 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 G/(1 + H) H(1 + G) H/G G/H G/(1 + H) H(1 + G) H/G G/H ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The closed loop pole of a stable second order system could be Both real and positive Both real and negative Complex conjugate with positive real parts One real positive and the other real negative Both real and positive Both real and negative Complex conjugate with positive real parts One real positive and the other real negative ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When a bare thermocouple is covered by a protective sheath, the response becomes Faster and non-oscillatory Slower and oscillatory Slower and non-oscillatory Faster and oscillatory Faster and non-oscillatory Slower and oscillatory Slower and non-oscillatory Faster and oscillatory ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Range of hydrogen gas constant volume themometer is __________ °C. -10 to 20 0 to 100 100 - 500 400 - 1000 -10 to 20 0 to 100 100 - 500 400 - 1000 ANSWER DOWNLOAD EXAMIANS APP
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