Process Control and Instrumentation MCQs with answers Page - 4

Here, you will find a collection of MCQ questions on Process Control and Instrumentation. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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A

Admin • 828.03K Points
Coach

Q. In an exothermic chemical reactor, the manipulated variable is the flow rate of

  • (A) Coolant
  • (B) Reactants
  • (C) Product
  • (D) None of these

A

Admin • 828.03K Points
Coach

Q. Maximum differential pressure in liquid manometer is __________ psi.

  • (A) 20
  • (B) 30
  • (C) 40
  • (D) 50

A

Admin • 828.03K Points
Coach

Q. Strain gage pressure transducers are used to measure __________ pressures.

  • (A) Gage as well as vacuum
  • (B) Absolute as well as differential
  • (C) Both A & B
  • (D) Neither A nor B

A

Admin • 828.03K Points
Coach

Q. Pressure of 0.0001 absolute psi can be measured by __________ gauge.

  • (A) Mcloid
  • (B) Pirani
  • (C) Thermocouple
  • (D) None of these

A

Admin • 828.03K Points
Coach

Q. Pressure of 0.01 psi (absolute) can be measured by __________ gauge.

  • (A) Ionisation
  • (B) Pirani
  • (C) Mcloid
  • (D) None of these

A

Admin • 828.03K Points
Coach

Q. Dome temperature of blast furnace stove is most accurately measured by a

  • (A) Radiation pyrometer
  • (B) Platinum-platinum/rhodium ther-mocuple
  • (C) Iron-constantan thermocouple
  • (D) Platinum resistance thermometer

A

Admin • 828.03K Points
Coach

Q. Humidity of air can be determined by a

  • (A) Chromatograph
  • (B) Sling psychrometer
  • (C) Mass spectrometer
  • (D) Polarimeter

A

Admin • 828.03K Points
Coach

Q. Thermodynamic celcius scale of temperature measurement is

  • (A) Defined on the basis of melting point of ice and evaporation temperature of water vapor
  • (B) Defined on the basis of melting point of ice and condensation temperature of water vapor
  • (C) Having an interval of 100° between ice point to steam point
  • (D) Both B and C

A

Admin • 828.03K Points
Coach

Q. Instrumentation in a plant offers the advantage of

  • (A) Greater safety of operation
  • (B) Better quality of product
  • (C) Greater operation economy
  • (D) All of the above

A

Admin • 828.03K Points
Coach

Q. Liquid column manometers are used for measuring the pressure __________ kgf/cm2.

  • (A) > 2 (gage)
  • (B) < 3 (gage)
  • (C) < 10 (gage)
  • (D) < atmospheric

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