Process Control and Instrumentation Cascade control means One feed-back loop More than one feed-back loop Feed forward control On-off control One feed-back loop More than one feed-back loop Feed forward control On-off control ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A mercury thermometer can not be used to measure the temperature below the freezing point of mercury, which is __________ °C. -38.9 -11.9 -60.9 -80.9 -38.9 -11.9 -60.9 -80.9 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of __________ can not be measured by an optical or radiation pyrometer. Molten slag flowing out of blast furnace Hot blast (air) from stoves Combustion space in boilers Rotary limestone calcination kiln Molten slag flowing out of blast furnace Hot blast (air) from stoves Combustion space in boilers Rotary limestone calcination kiln ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an Solid semi-conductor Liquid semi-conductor Insulator Conductor Solid semi-conductor Liquid semi-conductor Insulator Conductor ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a second order under damped system, the Overshoot (which is a measure of how much the response exceeds the ultimate value) increase with the decrease of damping co-efficient e Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot Time required for the response of first reach its ultimate value is called the response time None of these Overshoot (which is a measure of how much the response exceeds the ultimate value) increase with the decrease of damping co-efficient e Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot Time required for the response of first reach its ultimate value is called the response time None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a second order instrument? None of these Pressure gauge with one bellow, two tubes and a tank Mercury in glass thermometer with covering Bare mercury in glass thermometer None of these Pressure gauge with one bellow, two tubes and a tank Mercury in glass thermometer with covering Bare mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
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