Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Linear relation of emf to temperature Corrosion resistance Oxidation resistance Non-linear relation of emf to temperature Linear relation of emf to temperature Corrosion resistance Oxidation resistance Non-linear relation of emf to temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermometers is not suitable for distant reading upto 60 metres? Constant volume gas thermometer Vapor pressure thermometer Mercury in glass thermometer Resistance thermometer Constant volume gas thermometer Vapor pressure thermometer Mercury in glass thermometer Resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the one which is a first order instrument. Bare metallic thermometer All of these Bare vapor pressure thermometer Mercury in glass thermometer (without any covering or air gap) Bare metallic thermometer All of these Bare vapor pressure thermometer Mercury in glass thermometer (without any covering or air gap) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The term analogous to the electrical current in a thermal system is the Heat content in the system Heat flow rate Temperature difference None of these Heat content in the system Heat flow rate Temperature difference None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram is a plot of Log (AR) vs. f and log Φ vs.f AR vs. log (f) and Φ vs. log (f) None of these Log (AR) vs. log (f) and (Φ) vs. log (f) Log (AR) vs. f and log Φ vs.f AR vs. log (f) and Φ vs. log (f) None of these Log (AR) vs. log (f) and (Φ) vs. log (f) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability? Fused metal (Na or K) in steel thermometer Nitrogen in steel thermometer Alcohol in glass thermometer Mercury in glass thermometer Fused metal (Na or K) in steel thermometer Nitrogen in steel thermometer Alcohol in glass thermometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
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