Process Control and Instrumentation Which of the following is not a variable area flow meter? Magnetic flow meter Orifice and tapered plug meter Rotameter Piston type meter Magnetic flow meter Orifice and tapered plug meter Rotameter Piston type meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which is the most suitable instrument for measuring pressure below 3 microns? Bourdon guage Alphatron Mcleoid gauge Ionisation gauge Bourdon guage Alphatron Mcleoid gauge Ionisation gauge ANSWER DOWNLOAD EXAMIANS APP
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 PH meter Polarograph Polarimeter Chromatograph PH meter Polarograph Polarimeter Chromatograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire. Exponential decrease Increase No change Decrease Exponential decrease Increase No change Decrease ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability? Alcohol in glass thermometer Mercury in glass thermometer Fused metal (Na or K) in steel thermometer Nitrogen in steel thermometer Alcohol in glass thermometer Mercury in glass thermometer Fused metal (Na or K) in steel thermometer Nitrogen in steel thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure. 961.93 1261.93 630.74 1064.43 961.93 1261.93 630.74 1064.43 ANSWER DOWNLOAD EXAMIANS APP
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