Process Control and Instrumentation Which of the systems having following transfer functions is stable? 1/(s²-2s + 3) 1/(s² + 2s + 2) Exp(-20s)/(s² + 2s-l) 1/(s²+ 2) 1/(s²-2s + 3) 1/(s² + 2s + 2) Exp(-20s)/(s² + 2s-l) 1/(s²+ 2) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a first order process with resistance R and capacitance C is RC 1/RC R + C R - C RC 1/RC R + C R - C ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? Poor reproducibility High drift High measuring lag High fidelity Poor reproducibility High drift High measuring lag High fidelity 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 __________ is undesirable in thermocouples used in industries, Corrosion resistance Non-linear relation of emf to temperature Oxidation resistance Linear relation of emf to temperature Corrosion resistance Non-linear relation of emf to temperature Oxidation resistance Linear relation of emf to temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A bolometer is Used for the measurement of thermal radiation Both A & B Here Neither A nor B Here An element which senses optical input and delivers thermal output Used for the measurement of thermal radiation Both A & B Here Neither A nor B Here An element which senses optical input and delivers thermal output ANSWER DOWNLOAD EXAMIANS APP
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