Process Control and Instrumentation Pick out the one which is a first order instrument. Mercury in glass thermometer (without any covering or air gap) Bare metallic thermometer Bare vapor pressure thermometer All of these Mercury in glass thermometer (without any covering or air gap) Bare metallic thermometer Bare vapor pressure thermometer All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by Reducing value of Kc Introducing integral control Introducing derivative control None of these Reducing value of Kc Introducing integral control Introducing derivative control None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone in an instrument must be less than __________ percent of the scale. 1.5 8 0.2 4 1.5 8 0.2 4 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in Current Voltage Light intensity Flux density Current Voltage Light intensity Flux density ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram is a plot of 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) Log (AR) vs. f and log Φ vs.f AR vs. log (f) and Φ vs. log (f) None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Oxidation resistance Corrosion resistance Non-linear relation of emf to temperature Linear relation of emf to temperature Oxidation resistance Corrosion resistance Non-linear relation of emf to temperature Linear relation of emf to temperature ANSWER DOWNLOAD EXAMIANS APP
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