Which of the following is not a differential pressure flow meter ?
A. Rotameter
B. Flow nozzle
C. Orificemeter
D. Venturimeter
Process Control and Instrumentation
Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant) ?
Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant) ?
A. V/nRT
B. nRT/V
C. nRT/P
D. P/nRT
Degree to which an instrument indicates the changes in measured variable without dynamic error is called its ___________________?
Degree to which an instrument indicates the changes in measured variable without dynamic error is called its ___________________?
A. Speed of response
B. Reproducibility
C. Fidelity
D. Static characteristics
Temperature measurement by optical pyrometer is done above ____________ point, which is 1063°C ?
Temperature measurement by optical pyrometer is done above ____________ point, which is 1063°C ?
A. Antimony
B. Gold
C. Silver
D. Nickel
Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere ?
Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere ?
A. Platinum-platinum + rhodium
B. Iron-constantan
C. Copper-constantan
D. Chromel-alumel
In an exothermic chemical reactor, the manipulated variable is the flow rate of_______________?
In an exothermic chemical reactor, the manipulated variable is the flow rate of_______________?
A. Coolant
B. Reactants
C. Product
D. None of these
Range of hydrogen gas constant volume thermometer is _____________ °C?
Range of hydrogen gas constant volume thermometer is _____________ °C?
A. -10 to 20
B. 0 to 100
C. 100 – 500
D. 400 – 1000
The transfer function of a second order system is _____________________?
The transfer function of a second order system is _____________________?
A. 1/(T2s2 + 2ξTs + 1)
B. 1/(T2s2 + 2Ts + 1)
C. 1/(T2s2 + 2ξT + 1)
D. None of these
Which of the following thermometers is not suitable for distant reading upto 60 metres ?
Which of the following thermometers is not suitable for distant reading upto 60 metres ?
A. Vapor pressure thermometer
B. Mercury in glass thermometer
C. Constant volume gas thermometer
D. Resistance thermometer
Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity ?
Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity ?
A. CO2
B. N2
C. O2
D. CO