Process Control and Instrumentation Continuous measurement of specific gravity of a liquid is done by Both A and C Displacement meter Hydrometer Contact-type electric indicators Both A and C Displacement meter Hydrometer Contact-type electric indicators ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of molten pig iron (1450°C) and molten slag (1500°C) flowing out of a blast furnace is measured by a/an Chromel-alumel thermocouple Either B or C Optical pyrometer Radiation pyrometer Chromel-alumel thermocouple Either B or C Optical pyrometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of a vapor pressure thermometer is a secondary element. Bourdon tube Pointer None ofthese Bulb Bourdon tube Pointer None ofthese Bulb ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Range of hydrogen gas constant volume themometer is __________ °C. -10 to 20 0 to 100 400 - 1000 100 - 500 -10 to 20 0 to 100 400 - 1000 100 - 500 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Becomes less oscillatory (frequency decreases) Gets amplified (magnitude increases) Becomes more oscillatory (frequency increases) Gets attenuated (magnitude decreases) Becomes less oscillatory (frequency decreases) Gets amplified (magnitude increases) Becomes more oscillatory (frequency increases) Gets attenuated (magnitude decreases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function for a P-D controller is Kc(1 +1/τD s) Kc/τD s Kc(1+τD s) Kc τD s Kc(1 +1/τD s) Kc/τD s Kc(1+τD s) Kc τD s ANSWER DOWNLOAD EXAMIANS APP