Process Control and Instrumentation An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall. This is the working principle of a Polarograph PH meter Chromatograph Polarimeter Polarograph PH meter Chromatograph Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In second order underdamped system, Decay ratio = overshoot Decay ratio = (overshoot)² Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping Decay ratio = overshoot Decay ratio = (overshoot)² Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping 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 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 Rotary limestone calcination kiln Combustion space in boilers ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Volumetric expansion is the working principle of the __________ thermometers. Mercury in glass Bimetallic Constant volume gas Vapor pressure Mercury in glass Bimetallic Constant volume gas Vapor pressure ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mass spectrometer is used for the composition analysis of Alloys None of these Isotopes Solids Alloys None of these Isotopes Solids ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a composition measuring instrument? Thermal conductivity cell Mass spectrometer Polarograph Hot wire anemometer Thermal conductivity cell Mass spectrometer Polarograph Hot wire anemometer ANSWER DOWNLOAD EXAMIANS APP