Process Control and Instrumentation Stabilising time for the controllers is the time required for the response to reach __________ percent of its ultimate value. 100 63.2 87.5 95 100 63.2 87.5 95 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the Maximum change in the variable that does not change the reading of the instrument Same as time constant None of these Same as transportation lag Maximum change in the variable that does not change the reading of the instrument Same as time constant None of these Same as transportation lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For an input forcing function, X(t) = 2t², the Laplace transform of this function is 4/s² 4/s³ 2/s² 2/s³ 4/s² 4/s³ 2/s² 2/s³ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C. 750 250 1000 500 750 250 1000 500 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 Radiation pyrometer Either B or C Optical pyrometer Chromel-alumel thermocouple Radiation pyrometer Either B or C Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of __________ can not be measured by an optical or radiation pyrometer. Rotary limestone calcination kiln Molten slag flowing out of blast furnace Combustion space in boilers Hot blast (air) from stoves Rotary limestone calcination kiln Molten slag flowing out of blast furnace Combustion space in boilers Hot blast (air) from stoves ANSWER DOWNLOAD EXAMIANS APP
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