Process Control and Instrumentation Nichol's chart deals with R. vs. phase lag of first order Closed loop values vs. open loop values Frequency response values of controllers R. vs. phase lag of second order R. vs. phase lag of first order Closed loop values vs. open loop values Frequency response values of controllers R. vs. phase lag of second order ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not the triple point of water? 273°K 32°F 32°R 492°R 273°K 32°F 32°R 492°R 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 Rotary limestone calcination kiln Hot blast (air) from stoves Combustion space in boilers Molten slag flowing out of blast furnace Rotary limestone calcination kiln Hot blast (air) from stoves Combustion space in boilers ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is 5π/12 π/3 π/6 π/12 5π/12 π/3 π/6 π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a differential pressure flow meter? Venturimeter Rotameter Flow nozzle Orificemeter Venturimeter Rotameter Flow nozzle Orificemeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Mercury in glass thermometer Thermo electric pyrometer Filled system thermometer Radiation/infrared pyrometer Mercury in glass thermometer Thermo electric pyrometer Filled system thermometer Radiation/infrared pyrometer ANSWER DOWNLOAD EXAMIANS APP
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