Process Control and Instrumentation Volumetric expansion is the working principle of the __________ thermometers. Vapor pressure Constant volume gas Mercury in glass Bimetallic Vapor pressure Constant volume gas Mercury in glass Bimetallic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an Magnetic flow meter Orificemeter Hot wire anemometer Venturimeter Magnetic flow meter Orificemeter Hot wire anemometer Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is Pressure rise with temperature Linear expansion Volumetric expansion None of these Pressure rise with temperature Linear expansion Volumetric expansion None of these 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 Cascade control means Feed forward control More than one feed-back loop One feed-back loop On-off control Feed forward control More than one feed-back loop One feed-back loop On-off control ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Measurement of sub-zero Celcius temperature in industry is done most commonly by Thermocouples Gas thermometers Bi-metallic thermometers Resistance thermometers Thermocouples Gas thermometers Bi-metallic thermometers Resistance thermometers ANSWER DOWNLOAD EXAMIANS APP
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