Chemical Engineering Mcqs

Isotonic solutions must have the same__________________?

• (A)  Viscosity
• (B)  Molar concentration
• (C)  Normality
• (D)  Critical temperature

Answer

Submitted By :Ali Uppal

Osmotic pressure of a dilute solution of a non volatile solute in a solvent obeying Raoult’s law is proportional to the_____________?

• (A)  Temperature
• (B)  Volume of solution
• (C)  Moles of non-volatile solute
• (D)  None of these

Answer

Submitted By :Ali Uppal

A non-linear system will have _____________ steady state values?

• (A)  One
• (B)  More than one
• (C)  Two
• (D)  Three

Answer

Submitted By :Ali Uppal

Mcleod gauge is used to measure the __________________?

• (A)  Point velocity
• (B)  Flow rate
• (C)  Vacuum
• (D)  Pressure

Answer

Submitted By :Ali Uppal

Change of angle of refraction with composition comprises the working principle of a___________________?

• (A)  Polarimeter
• (B)  Polarograph
• (C)  Spectrometer
• (D)  Refractometer

Answer

Submitted By :Ali Uppal

Working principle of mercury in glass thermometer is based on the ______________ of mercury with increase in temperature?

• (A)  Increase of pressure
• (B)  Increase of thermal conductivity
• (C)  Volumetric expansion
• (D)  Differential linear expansion

Answer

Submitted By :Ali Uppal

What is the overall transfer function (C/R) of the following block diagram if G = G1. G2. G3 and H = H1.H2 ?

• (A)  1/(1 + GH)
• (B)  G/(1 + GH)
• (C)  H/(1 + GH)
• (D)  G/(1 – GH)

Answer

Submitted By :Ali Uppal

Very low pressure is expressed in microns (μ), which is equal to ____________ mm of Hg column (absolute) at 0°C?

• (A)  0.0001
• (B)  0.001
• (C)  0.01
• (D)  0.1

Answer

Submitted By :Ali Uppal

The time constant of a first order process with resistance R and capacitance C is__________________?

• (A)  R + C
• (B)  R – C
• (C)  RC
• (D)  1/RC

Answer

Submitted By :Ali Uppal

1 ata is equivalent to_________________?

• (A)  1 atm
• (B)  10 torr
• (C)  0.98 Pascal
• (D)  1 kgf/cm2

Answer

Submitted By :Ali Uppal