Process Control and Instrumentation A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if Kc is increased Derivative control action is introduced Integral control action is introduced Kc is reduced Kc is increased Derivative control action is introduced Integral control action is introduced Kc is reduced ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system 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) Becomes less oscillatory (frequency decreases) Gets amplified (magnitude increases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation High temperature of around 2000°C of incandescent gas mantles is measured by a/an Radiation pyrometer None of these Here Specially designed thermocouple Optical pyrometer Radiation pyrometer None of these Here Specially designed thermocouple Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of __________ can not be measured by an optical or radiation pyrometer. 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 Hot blast (air) from stoves Combustion space in boilers ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a Large area but small mass Small specific heat High thermal conductivity All of these Large area but small mass Small specific heat High thermal conductivity All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of disappearing filament type optical pyrometer is based on the Wien's law Kirchoff's law Seebeck effect Peltier effect Wien's law Kirchoff's law Seebeck effect Peltier effect ANSWER DOWNLOAD EXAMIANS APP
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