Process Control and Instrumentation Positioning controllers are used for Temperature changes Flow rate changes Low loads High loads Temperature changes Flow rate changes Low loads High loads ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change? Methyl alcohal Mercury Water Carbon-tetrachloride Methyl alcohal Mercury Water Carbon-tetrachloride ANSWER DOWNLOAD EXAMIANS APP
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 Kc is reduced Derivative control action is introduced Integral control action is introduced Kc is increased Kc is reduced Derivative control action is introduced Integral control action is introduced ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Polarisation of light forms the working principle of a Spectrometer Polarograph Chromatograph Polarimeter Spectrometer Polarograph Chromatograph Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following flow-metering instru-ments is an areameter? Rotameter Venturimeter Pitot tube Hot wire anemometer Rotameter Venturimeter Pitot tube Hot wire anemometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilatometer is used to measure Strain Contraction/expansion due to changes in temperature Stress Deflection Strain Contraction/expansion due to changes in temperature Stress Deflection ANSWER DOWNLOAD EXAMIANS APP