Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 322 of 557.

Chemical Engineering MCQs

Showing page 322 of 557 · 8,342 total solved questions available.

Study Topic

⚡Start Quiz Mode to Practice Like the Real Exam!

Duriron is________?

A.Prone to breakage due to thermal expansion because of its very high co-efficient of thermal

B.Acid resistant, brittle and very hard

C.All A., B. and C.

D.High silicon iron

Explanation: The correct answer is All A., B. and C..

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an?

A.Soap

B.Detergent

C.Explosive

D.Analgesic drug

Explanation: The correct answer is Detergent.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

The effect of solid boundary on the fluid flow is confined to the boundary layer, except for fluids?

A.Neither A. nor B.

B.Having high viscosities

C.Both A. & B.

D.Moving at low velocities

Explanation: The correct answer is Both A. & B..

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

What is the ratio of fluid carrying capacity of two pipes having diameters d1 and d2 respectively?

A.(d1/d2)2

B.d1/d2

C.(d1/d2)0.8

D.(d1/d2)0.5

Explanation: The correct answer is (d1/d2)0.5.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

The energy radiated from a surface Q at absolute temperature T is related as________?

A.Q ∝ T4

B.Q ∝ T2

C.Q ∝ T3

D.None of these

Explanation: The correct answer is Q ∝ T4.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Gelatinous solid (which plug the septum) can be filtered by a ________ filter?

A.Pre-coat

B.Vacuum leaf

C.Plate and frame

D.Sparkler

Explanation: The correct answer is Pre-coat.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Direct conversion of thermal energy to electrical energy is facilitated by the________?

A.Photo voltaic cell

B.Fuel cells

C.None of these

D.Magneto hydrodynamic generator

Explanation: The correct answer is Magneto hydrodynamic generator.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to________?

A.Increase the cellulose content

B.Remove lignin by way of crystallisation

C.None of these

D.Avoid mechanical weakening of fibre

Explanation: The correct answer is Avoid mechanical weakening of fibre.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of________?

A.Boron or cadmium

B.Zircaloy

C.Molybdenum

D.High carbon steel

Explanation: The correct answer is Boron or cadmium.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Kopp’s rule is concerned with the calculation of________?

A.Heat capacity

B.Thermal conductivity

C.Surface tension

D.Viscosity

Explanation: The correct answer is Heat capacity.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

The gas which contributes maximum to the heating value of natural gas is ________?

A.CO2

B.CO

C.H2

D.CH4

Explanation: The correct answer is CH4.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be ________ c.c?

A.2.73

B.273

C.283

D.28.3

Explanation: The correct answer is 28.3.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Dielectric________?

A.Is an electrical insulating material

B.Should have high thermal conductivity

C.Of low resistivity is preferred

D.Need not defy the corrosive action of chemicals

Explanation: The correct answer is Is an electrical insulating material.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

The proper arrangement of the petroleum fractions in order of their boiling points is ________?

A.Lubricating oil > diesel > petrol > LPG

B.Petrol > lubricating oil > diesel > LPG

C.Lubricating oil > petrol > diesel > LPG

D.Petrol > diesel > LPG > lubricating oil

Explanation: The correct answer is Lubricating oil > diesel > petrol > LPG.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

For a first order chemical reaction, the rate constant________?

A.None of these

B.Changes on changing the concentration units

C.Is not a function of the unit of time

D.Has unit of time-1

Explanation: The correct answer is Has unit of time-1.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Continue studying

Practice quiz Past papers Civil Engineering MCQs Electrical Engineering MCQs Mechanical Engineering MCQs Software Engineering MCQs