Explore topic-wise MCQs in Chemical Engineering.

This section includes 5314 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.

5251.

Find the force on a charge 2C in a field 1V/m.

A. 0
B. 1
C. 2
D. 3
Answer» D. 3
5252.

A regular language corresponds to

A. An alphabet
B. Set of strings over an alphabet
C. A DFA only
D. A DFA or an NFA
Answer» C. A DFA only
5253.

Capacitors C1, C2 and C3 have voltage drops 2V, 3V and 5V respectively. Calculate the total voltage in the circuit.

A. 10V
B. 2V
C. 5V
D. 0V
Answer» B. 2V
5254.

Which of the following is the effect of homogenization on appearance of milk?

A. Dusty appearance
B. Yellowish appearance
C. Whitish appearance
D. Blackish appearance
Answer» D. Blackish appearance
5255.

Which of the following truly describes the structure of Generator pattern?

A. A generator pattern has a Client that needs an instance of a Product class
B. A Generator that creates or obtains access to such an instance on behalf of the Client
C. All of the mentioned
D. None of the mentioned
Answer» D. None of the mentioned
5256.

The guidance sensitivity decreases as the range decreases

A. True
B. False
Answer» C.
5257.

Calculate the pH of a mixture of 0.10M acetic acid and 0.20M sodium acetate. The pKa of acetic acid is 4.76.

A. 5.1
B. 4.1
C. 6.1
D. 7.1
Answer» B. 4.1
5258.

Which subquery returns a single value?

A. scalar
B. column
C. row
D. table
Answer» B. column
5259.

Which of the following command will be used if we want to abort editing and quit the editor even if the buffer has been changed and not saved?

A. :q
B. :b
C. :q!
D. :w
Answer» D. :w
5260.

Which of the following instrument is used for bacterial count?

A. Petroff-Hausser counting chamber
B. Microscope
C. Chemostat
D. Turbidostat
Answer» B. Microscope
5261.

The line perpendicular to a tangent and is passing through the point of contact is called as _____

A. Perpendicular bisector
B. Angle bisector
C. Normal
D. Tangent
Answer» D. Tangent
5262.

In a perfect crystal, shear stress is __________

A. Very high
B. Negative
C. Zero
D. Very low
Answer» D. Very low
5263.

A combustion chamber in gas turbine is present in between upstream compressor and down stream turbine.

A. True
B. False
Answer» B. False
5264.

Quantitative analysis is one which is used for separating out the specific constituents from a mixture. This statement is:

A. True
B. False
Answer» C.
5265.

Which of the following is a bentonite?

A. Kaolinite
B. Sodium Montmorillonite
C. Illite
D. Limonite
Answer» C. Illite
5266.

Transfer of energy from source of plants through a series of organism is known as ________________

A. Food web
B. Energy cycle
C. Food chain
D. Biological system
Answer» D. Biological system
5267.

The poly a tail protects the 3’ end from____________$

A. 5’->3’ exonuclease
B. 3’->5’ exonuclease
C. Translation
D. Export
Answer» C. Translation
5268.

The parts shorter than_____ the centreline spacing of rolls of the machine employed will not feed or form satisfactorily.

A. 2 times
B. 3 times
C. 4 times
D. 5 times
Answer» C. 4 times
5269.

Two successive screens have a ratio of

A. 1:2
B. 1: ‚àö2
C. 1: ‚àö3
D. 2:3
Answer» C. 1: ‚Äö√Ñ√∂‚àö‚Ć‚àö‚àÇ3
5270.

How is a graft made?

A. By surgically connecting two arteries
B. By externally connecting two veins
C. By surgically placing a connection between two capillaries
D. By surgically placing a connection between an artery and vein
Answer» E.
5271.

Only small equipments are required for co-current process.

A. True
B. False
Answer» C.
5272.

What is the full form of JDBC?

A. Java Database Connectivity
B. Java Database Co-Operation
C. JSP Database Committee
D. Java Database Creation
Answer» B. Java Database Co-Operation
5273.

What are examples of some of the atoms?

A. Numeric, Integer, Ratio
B. Numeric, Lists
C. Lists
D. Cons of two atoms
Answer» B. Numeric, Lists
5274.

Because of the presence of the dielectric, the phase velocity of a surface wave is:

A. Greater than that in vacuum
B. Lesser than that in vacuum
C. Independent of the presence of dielectric
D. Insufficient data
Answer» C. Independent of the presence of dielectric
5275.

In the case of anaerobic digestion, what is the percentage of dry solids for the primary sludge considered at the outlet?

A. 2-5%
B. 1-2%
C. 10-12%
D. 7-9%
Answer» B. 1-2%
5276.

Consider the following labeled flowchart for a simple chemical process based on reaction A->B and predict the overall and single-pass conversion of the process?

A. 100%, 70%
B. 100%, 50%
C. 100%, 75%
D. 100%, 55%
Answer» D. 100%, 55%
5277.

Unit of payment in FPS of Explosive for blasting is__________

A. kg
B. per lb
C. per gm
D. per cu m
Answer» C. per gm
5278.

In MySQL, identifier names can start with a digit.

A. True
B. False
Answer» B. False
5279.

What is the native form of DNA?

A. Denatured
B. Non-denatured
C. Small size
D. Composite form
Answer» C. Small size
5280.

Which of the following feature of water as a solvent helps in purity of polymer?

A. low cost
B. non-toxic nature
C. convenient boiling temperature
D. zero chain transfer constant
Answer» E.
5281.

How many methods of observing the bearings of lines by fast needle method?

A. 2
B. 3
C. 4
D. 5
Answer» C. 4
5282.

A multimode fiber has RMS pulse broadening per km of 12ns/km and 28ns/km due to material dispersion and intermodal dispersion resp. Find the total RMS pulse broadening.

A. 30.46ns/km
B. 31.23ns/km
C. 28.12ns/km
D. 26.10ns/km
Answer» B. 31.23ns/km
5283.

Form distribution in engineering system classification of hazardous waste is based on _____

A. Solvents
B. Heavy metals
C. Phase
D. Treat ability
Answer» D. Treat ability
5284.

The construction of which piles proves to be very useful in case of sandy soil or soft.

A. Cast iron pile
B. Sand pile
C. Steel pile
D. Timber pile
Answer» C. Steel pile
5285.

IDE stands for _________

A. Internet Development Environment
B. Integrated Development Environment
C. Intelligent Development Environment
D. Integrated Developed Environment
Answer» C. Intelligent Development Environment
5286.

The stream function can be obtained by _______

A. sum of stream function of uniform flow and doublet flow
B. difference of stream function of uniform flow and doublet flow
C. sum of stream function of uniform flow and source flow
D. sum of stream function of uniform flow and sink flow
Answer» B. difference of stream function of uniform flow and doublet flow
5287.

A power screw is rotated at constant angular speed of 1.5 revolutions/sec by applying a steady torque of 1.5Nm. How much work is done per revolution? What is the power required?

A. 141.36 W
B. 241.36 W
C. 341.36 W
D. 441.36 W
Answer» B. 241.36 W
5288.

The process of folding which is considered to be non-tectonic is

A. Differential compression
B. Tangential compression
C. Intrusions
D. Tangential tension
Answer» B. Tangential compression
5289.

Coefficient of discharge is used to measure ___________

A. none of the mentioned
B. pressure exerted by the nozzle on the fluid
C. flow rate allowed by the nozzle
D. resistance offered by the nozzle
Answer» E.
5290.

In which of these options, the preposition is related with manner?

A. Fought among themselves
B. Came before time
C. Cut it with a knife
D. Fought with courage
Answer» E.
5291.

How many additional members are required to make a simple space truss from a basic tetrahedral element?

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
5292.

Thumb (great toe) of foot is called_______

A. Pollex
B. Hallux
C. Index
D. Coracoid
Answer» C. Index
5293.

Negative back rake angle is given for machining of:

A. Brittle and hard material
B. Soft material
C. Ductile material
D. Soft and ductile material
Answer» B. Soft material
5294.

The maximum design value of the moment of resistance of rectangular flanged section varies from:

A. 0.08f<sub>ck</sub>bd<sup>2</sup> to 0.2f<sub>ck</sub>bd<sup>2</sup>
B. 0.11fc<sub>ck</sub>d<sup>2</sup> to 0.5f<sub>ck</sub>bd<sup>2</sup>
C. 0.15fc<sub>ck</sub>d<sup>2</sup> to 0.8f<sub>ck</sub>bd<sup>2</sup>
D. 0.21fc<sub>ck</sub>d<sup>2</sup> to 0.9f<sub>ck</sub>bd<sup>2</sup>
Answer» B. 0.11fc<sub>ck</sub>d<sup>2</sup> to 0.5f<sub>ck</sub>bd<sup>2</sup>
5295.

Which of the following is the cofactor of carbonic anhydrase?

A. Zn
B. Fe
C. Mg
D. Cu
Answer» B. Fe
5296.

Leibniz theorem is applicable if n is a

A. Rational Number
B. Negative Integer
C. Positive Integer
D. Decimal Number
Answer» D. Decimal Number
5297.

Catalysts for the vapour-phase converts ______ to hydrocarbons?

A. Sulphur
B. Oxygen
C. Nitrogen
D. All of the mentioned
Answer» E.
5298.

Which is more complex process?

A. buried contact
B. butting contact
C. buried & butting contact
D. none of the mentioned
Answer» B. butting contact
5299.

The oil-hardening processes use which type of compounds?

A. Long-chain acids
B. Esters
C. Saturates
D. All of the mentioned
Answer» E.
5300.

(‘[0] [1]’,)$

A. (’01’,)
B. [0] [1].
C. 01
Answer» B. [0] [1].