Process Control and Instrumentation Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer. Optical Photoelectric None of these Radiation Optical Photoelectric None of these Radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouple materials does not contain nickel? None of these Alumel Chromel Constantan None of these Alumel Chromel Constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/6 π/12 5π/12 π/3 π/6 π/12 5π/12 π/3 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? Ice (F.P) and steam (B.P) Zinc (B.P) and mercury (F.P) Antimony and silver (F.P) Oxygen and sulphur (B.P) Ice (F.P) and steam (B.P) Zinc (B.P) and mercury (F.P) Antimony and silver (F.P) Oxygen and sulphur (B.P) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? High fidelity High measuring lag High drift Poor reproducibility High fidelity High measuring lag High drift Poor reproducibility ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A magnetic flowmeter is All of these Based on the linear relationship between the fluid flow rate and the induced voltage Capable of measuring the flow rate of slurries and electrolytes Based on the principle of Faraday's law All of these Based on the linear relationship between the fluid flow rate and the induced voltage Capable of measuring the flow rate of slurries and electrolytes Based on the principle of Faraday's law ANSWER DOWNLOAD EXAMIANS APP
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