Chemical Engineering Mcqs

Flow rate of sludge is not measured by a/an_________________?

• (A)  Orificemeter
• (B)  Open weir
• (C)  Kennison nozzle
• (D)  Both

Answer

Submitted By :Ali Uppal

Continuous measurement of moisture in paper is done by_______________?

• (A)  Sling psychrometer
• (B)  Hair-hygrometer
• (C)  Weighing
• (D)  High resistance Wheatstone bridge circuit

Answer

Submitted By :Ali Uppal

Thermal conductivity measurement is used for the determination of________________?

• (A)  O2 percentage in the flue gas
• (B)  Specific gravity of petrofuels
• (C)  Composition of an alloy
• (D)  CO2 percentage in the flue gas

Answer

Submitted By :Ali Uppal

Flapper nozzle is used in a/an ______________ controller?

• (A)  Electronic
• (B)  Hydraulic
• (C)  Pneumatic
• (D)  None of these

Answer

Submitted By :Ali Uppal

Which of the following judges the accuracy of an instrument ?

• (A)  Dead zone
• (B)  Drift
• (C)  Static error
• (D)  None of these

Answer

Submitted By :Ali Uppal

______________ controller has the maximum stabilising time?

• (A)  P
• (B)  PD
• (C)  PI
• (D)  PID

Answer

Submitted By :Ali Uppal

Compositional analysis of ______________ is done using mass spectrometer?

• (A)  An isotope
• (B)  Natural gas
• (C)  A solid
• (D)  An alloy

Answer

Submitted By :Ali Uppal

Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference ?

• (A)  Peltier effect
• (B)  Thomson effect
• (C)  Seebeck effect
• (D)  None of these

Answer

Submitted By :Ali Uppal

Liquid discharge from a tank or reservoir cannot be measured by __________________?

• (A)  Orificemeter
• (B)  Weirs
• (C)  Mouthpieces
• (D)  Notches

Answer

Submitted By :Ali Uppal

Thermal conductivity measurement com-prises the working principle of a_________________?

• (A)  CO2 analyser
• (B)  Polarimeter
• (C)  Spectrometer
• (D)  Chromatograph

Answer

Submitted By :Ali Uppal