Process Control and Instrumentation Flow rate of a river is measured by a/an Vane meter Open weir Kennison nozzle Pitot tube Vane meter Open weir Kennison nozzle Pitot tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation 0n-off control which is a special case of proportional control, has a band width of about __________ percent. 100 75 25 100 75 25 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Range of hydrogen gas constant volume themometer is __________ °C. 100 - 500 -10 to 20 400 - 1000 0 to 100 100 - 500 -10 to 20 400 - 1000 0 to 100 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The operation of a rotameter is based on Variable flow area Rotation of a turbine Pressure drop across a nozzle Pressure at a stagnation point Variable flow area Rotation of a turbine Pressure drop across a nozzle Pressure at a stagnation point ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature? Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum + rhodium Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum + rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Filled system thermometer Radiation/infrared pyrometer Thermo electric pyrometer Mercury in glass thermometer Filled system thermometer Radiation/infrared pyrometer Thermo electric pyrometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP