Process Control and Instrumentation Humidity of air can be determined by a Sling psychrometer Mass spectrometer Polarimeter Chromatograph Sling psychrometer Mass spectrometer Polarimeter Chromatograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to D D⁴ D³ D² D D⁴ D³ D² ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells are used in the temperature measurement to Guard against corrosive and oxidising action on thermocouple materials Increase the sensitivity Increase the fidelity Reduce measuring lag Guard against corrosive and oxidising action on thermocouple materials Increase the sensitivity Increase the fidelity Reduce measuring lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A mercury barometer measures the __________ pressure. Atmospheric Absolute Gauge Vacuum Atmospheric Absolute Gauge Vacuum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid flow rate in an open channel can not be measured by a/an Cipolletti weir V-notch Orifice meter Rectangular weir Cipolletti weir V-notch Orifice meter Rectangular weir ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion? Chromel Brass Invar Nickel Chromel Brass Invar Nickel ANSWER DOWNLOAD EXAMIANS APP