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 Chromatograph Polarograph Polarimeter PH meter Chromatograph Polarograph Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous measurement of specific gravity of a liquid is done by Displacement meter Hydrometer Contact-type electric indicators Both A and C Displacement meter Hydrometer Contact-type electric indicators Both A and C ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere? Chromel-alumel Iron-constantan Platinum-platinum + rhodium Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum + rhodium Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions. Sum Difference Ratio Product Sum Difference Ratio Product ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Smoke density of the flue gas going out of the chimney is measured by a Photo electric cell Chromatograph Thermal conductivity meter Polarograph Photo electric cell Chromatograph Thermal conductivity meter Polarograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can measure temperatures in the range of - 20 to 300°C ? Vapor pressure thermometer Mercury in glass thermometer None of these Resistance thermometer Vapor pressure thermometer Mercury in glass thermometer None of these Resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS