Process Control and Instrumentation Which of the following is not a second order instrument? Bare mercury in glass thermometer Mercury in glass thermometer with covering None of these Pressure gauge with one bellow, two tubes and a tank Bare mercury in glass thermometer Mercury in glass thermometer with covering None of these Pressure gauge with one bellow, two tubes and a tank 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 Emf produced is very low of the order of microvolt Rusting of iron takes place Both B and C Here Embrittlement of iron occurs Emf produced is very low of the order of microvolt Rusting of iron takes place Both B and C Here ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Time lag Dead zone Reproducibility Static error Time lag Dead zone Reproducibility Static error ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the Optical pyrometer Mercury in glass thermometer Alcohol filled thermometer Iron-constantan thermocouple Optical pyrometer Mercury in glass thermometer Alcohol filled thermometer Iron-constantan thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following does not figure in the list of seven substances selected for international temperature scale? Oxygen and sulphur (B.P) Antimony and silver (F.P) Zinc (B.P) and mercury (F.P) Ice (F.P) and steam (B.P) Oxygen and sulphur (B.P) Antimony and silver (F.P) Zinc (B.P) and mercury (F.P) Ice (F.P) and steam (B.P) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a shell and tube heat exchanger, the outlet temperature of heating/cooling fluid is the __________ variable. None of these Controlled Load Manipulated None of these Controlled Load Manipulated ANSWER DOWNLOAD EXAMIANS APP