Process Control and Instrumentation Gas chromatography is used for the measurement of Concentration Pressure Flow rate Temperature Concentration Pressure Flow rate Temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Platinum resistance thermometer Thermocouple Bimetallic thermometer Optical pyrometer Platinum resistance thermometer Thermocouple Bimetallic thermometer Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ controller has the maximum stabilising time. P PI PD PID P PI PD PID ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 1 1/√2 0.25 0.5 1 1/√2 0.25 0.5 ANSWER DOWNLOAD EXAMIANS APP
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. 700 350 250 550 700 350 250 550 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of __________ can not be measured by an optical or radiation pyrometer. 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 Molten slag flowing out of blast furnace Rotary limestone calcination kiln ANSWER DOWNLOAD EXAMIANS APP
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