Process Control and Instrumentation Bimetal strips are not used in Bimetallic thermometers Thermostats Thermocouples Relays for opening & closing of electrical circuits Bimetallic thermometers Thermostats Thermocouples Relays for opening & closing of electrical circuits ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by __________ effect. Seebeck Thomson Peltier None of these Seebeck Thomson Peltier None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an Hot wire anemometer Orificemeter Magnetic flow meter Venturimeter Hot wire anemometer Orificemeter Magnetic flow meter Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature Embrittlement of iron occurs Rusting of iron takes place Both B and C Here Emf produced is very low of the order of microvolt Embrittlement of iron occurs Rusting of iron takes place Both B and C Here Emf produced is very low of the order of microvolt ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of molten pig iron (1450°C) and molten slag (1500°C) flowing out of a blast furnace is measured by a/an Either B or C Optical pyrometer Chromel-alumel thermocouple Radiation pyrometer Either B or C Optical pyrometer Chromel-alumel thermocouple Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the one which is a first order instrument. Bare metallic thermometer All of these Mercury in glass thermometer (without any covering or air gap) Bare vapor pressure thermometer Bare metallic thermometer All of these Mercury in glass thermometer (without any covering or air gap) Bare vapor pressure thermometer ANSWER DOWNLOAD EXAMIANS APP