Process Control and Instrumentation Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale. Reaumer Centigrade Fahrenheit Kelvin Reaumer Centigrade Fahrenheit Kelvin ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Object is transparent Enhancement or attentuation of redia-tion occurs in the sighting path Object and surrounding are at almost the same temperature Object has varying emissivity Object is transparent Enhancement or attentuation of redia-tion occurs in the sighting path Object and surrounding are at almost the same temperature Object has varying emissivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of __________ can not be measured by an optical or radiation pyrometer. Rotary limestone calcination kiln Combustion space in boilers Molten slag flowing out of blast furnace Hot blast (air) from stoves Rotary limestone calcination kiln Combustion space in boilers Molten slag flowing out of blast furnace Hot blast (air) from stoves ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is H(1 + G) G/(1 + H) G/H H/G H(1 + G) G/(1 + H) G/H H/G ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a first order process with resistance R and capacitance C is R - C R + C RC 1/RC R - C R + C RC 1/RC ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the None of these Maximum change in the variable that does not change the reading of the instrument Same as time constant Same as transportation lag None of these Maximum change in the variable that does not change the reading of the instrument Same as time constant Same as transportation lag ANSWER DOWNLOAD EXAMIANS APP
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