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.

5001.

The efficiency of the ideal screens are ___

A. Unity
B. Infinity
C. Zero
D. Can’t be determined
Answer» B. Infinity
5002.

What is a fistula?

A. The connection between two arteries
B. The connection between two veins
C. The connection between two capillaries
D. The connection between artery and vein
Answer» E.
5003.

State true or false: Developers cannot write their own functions into SQL

A. True
B. False
Answer» C.
5004.

Which of the following can be considered as List?

A. Number
B. T
C. NIL
D. Empty
Answer» E.
5005.

For wave propagation on grounded dielectric sheet, the equation to be satisfied by Ez , in the region of presence of dielectric 0‚â§x‚â§d for the propagation to be in Z direction$

A. (∂<sup>2</sup>/∂x<sup>2</sup> + ∈<sub>r</sub>k<sub>0</sub><sup>2</sup>– β<sup>2</sup>) e<sup>Z(x,y)</sup>=0
B. (∂<sup>2</sup>/∂x<sup>2</sup> + k<sub>0</sub><sup>2</sup>– β<sup>2</sup>) e<sup>Z(x,y)</sup>=0
C. (∂<sup>2</sup>/∂x<sup>2</sup> – k<sub>0</sub><sup>2</sup>+β<sup>2</sup>) e<sup>Z(x,y)</sup>=0
D. (∂<sup>2</sup>/∂x<sup>2</sup> + ∈<sub>r</sub>k<sub>0</sub><sup>2</sup>) e<sup>Z(x,y)</sup>=0
Answer» B. (‚Äö√Ñ√∂‚àö‚Ć‚àö√°<sup>2</sup>/‚Äö√Ñ√∂‚àö‚Ć‚àö√°x<sup>2</sup> + k<sub>0</sub><sup>2</sup>‚Äö√Ñ√∂‚àö√ë‚àö¬® ‚âà√≠‚Äö√¢¬ß<sup>2</sup>) e<sup>Z(x,y)</sup>=0
5006.

What is the concentration of polymer added to a belt filter press handling the primary sludge?

A. 2-5 kg/Mg dry solids
B. 1-4 kg/Mg dry solids
C. 5-10 kg/Mg dry solids
D. 10-12 kg/Mg dry solids
Answer» C. 5-10 kg/Mg dry solids
5007.

What is the combined feed ratio from the following?

A. Quantity of mixed feed stream to the quantity of fresh feed stream
B. Quantity of recycle stream to the quantity of fresh feed stream
C. Quantity of fresh feed stream to the quantity of recycle stream
D. Quantity of fresh feed stream to the quantity of mixed feed stream
Answer» B. Quantity of recycle stream to the quantity of fresh feed stream
5008.

Unit of payment in MKS of supply paint ready mix is_________

A. per litre
B. per gl
C. per lb
D. per cu m
Answer» B. per gl
5009.

How are identifiers quoted in MySQL?

A. single quotes
B. double quotes
C. backticks
D. can’t be quoted
Answer» D. can‚Äö√Ñ√∂‚àö√ë‚àö¬•t be quoted
5010.

Nitrocellulose is flammable in nature.

A. True
B. False
Answer» B. False
5011.

Which of the following compounds can minimize the fluctuations in surface tension of emulsion in emulsion polymerization?

A. soaps
B. cetyl alcohol
C. dextrin
D. peroxides
Answer» C. dextrin
5012.

Compass surveying is recommended when the area is _______

A. Large, even and crowded with many details
B. Small, undulating and not details are crowded
C. Large, undulating and crowded with many details
D. Small, even and crowded with many details
Answer» D. Small, even and crowded with many details
5013.

Γg= dβ / C*dk. What is β in the given equation?$

A. Attenuation constant
B. Propagation constant
C. Boltzmann’s constant
D. Free-space
Answer» C. Boltzmann‚Äö√Ñ√∂‚àö√ë‚àö¬•s constant
5014.

Spent caustic from metal finishing is an example for ____ waste category.

A. Organic aqueous
B. Inorganic aqueous
C. Organic liquid
D. Organic sludge
Answer» C. Organic liquid
5015.

The movement of soil under the action of load can be prevented by confining the ground by use of _________

A. Steel pile
B. Sand pile
C. Timber pile
D. Sheet pile
Answer» E.
5016.

We can define ________ number of sites with one copy of dreamweaver installed on our computer.

A. 990
B. 10
C. only 1
D. unlimited
Answer» E.
5017.

The flow past cylinder is also called as _________

A. Vortex flow
B. Source flow
C. Rankine oval of equal axes
D. Newton’s ring
Answer» D. Newton‚Äö√Ñ√∂‚àö√ë‚àö¬•s ring
5018.

Power is transmitted by an electric motor to a machine by using a belt drive. The tensions on the tight and slack side of the belt are 2200 N and 1000 N respectively and diameter of the pulley is 600 mm. If speed of the motor is 1500 r.p.m, find the power transmitted.

A. 46.548 kW
B. 56.548 kW
C. 66.548 kW
D. 76.548 kW
Answer» C. 66.548 kW
5019.

Find the fundamental natural period of this building?

A. 1.175
B. 1.275
C. 1.375
D. 1.475
Answer» D. 1.475
5020.

What is the indirect cause for warping or folding?

A. Homogenous strata
B. Non-homogenous strata
C. Inclined strata
D. Curved strata
Answer» C. Inclined strata
5021.

Unit of flow resistance is_________

A. N/m<sup>2</sup>
B. m<sup>2</sup>/N
C. KN/Kg
D. No unit
Answer» E.
5022.

In the phrase, love for humanity, the preposition is related to possession.

A. True
B. False
Answer» C.
5023.

Which of the following command is used to display the departments of the instructor relation?

A. Select * from instructor where Dept_name = Finance;
B. Select * from instructor ;
C. Select dept_name from instructor;
D. Select dept_name for instructor where Name=Jackson;
Answer» B. Select * from instructor ;
5024.

How many equations are solved per joints while solving space trusses?

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
5025.

Foot is formed of 4 parts.

A. True
B. False
Answer» C.
5026.

Which of the following will give maximum chip flow during machining?

A. Hard material
B. Ductile material
C. Brittle material
D. All of the mentioned
Answer» C. Brittle material
5027.

It is often preferable to use a larger section, because it means a saving on:

A. Deflection
B. Cost
C. Stress
D. Strain
Answer» B. Cost
5028.

Breathing rate in human is controlled by _____________

A. Medulla oblongata
B. Cerebellum
C. Hypothalamus
D. Thalamus
Answer» B. Cerebellum
5029.

If nth derivative of xy3 + x2y2 + x3y0 = 0 then order of its nth differential equation is,

A. n
B. n+1
C. n+2
D. n+3
Answer» E.
5030.

Which of the following will display complete list of available cursor flags ?

A. cursor.Option()
B. cursor.addOption()
C. cursor.addOptions()
D. all of the mentioned
Answer» C. cursor.addOptions()
5031.

Which one of the following is an effective catalysts for converting gas oil?

A. Molybdenum
B. Aluminum
C. Nickel
D. All of the mentioned
Answer» B. Aluminum
5032.

Which contact cut occupies smaller area?

A. buried contact
B. butting contact
C. buried & butting contact
D. none of the mentioned
Answer» B. butting contact
5033.

Which is the active catalyst for hydrogenation of lauryl ester?

A. Nickel
B. Copper-ammonium chromate
C. Aluminium oxide
D. Potassium permanganate
Answer» C. Aluminium oxide
5034.

___________ is added for supporting writing single replica files in memory.

A. ROM_DISK
B. ARCHIVE
C. RAM_DISK
D. All of the mentioned
Answer» D. All of the mentioned
5035.

What is the difference between manometer and differential manometer?

A. Differential manometer has gas in empty space
B. Manometer has gas in empty space
C. Differential manometer has liquid in empty space
D. Manometer has liquid in empty space
Answer» B. Manometer has gas in empty space
5036.

How many moles of C3H8 are there in the bucket?

A. 1
B. 2
C. 4
D. 6
Answer» B. 2
5037.

Gate delay is given by

A. Ron/Cg
B. Ron * Cg
C. Cg/Ron
D. Cg<sup>2</sup> /Ron
Answer» C. Cg/Ron
5038.

A user creates a link to a file file1 using the following command “ln file1 file2”. Which of the following is not true?$

A. file1 and file2 have the same inode numbers
B. The number of links for file1 is displayed as 1
C. The number of links for file1 is displayed as 2
D. The number of links for file2 is displayed as 2
Answer» C. The number of links for file1 is displayed as 2
5039.

Which of the below symbols is a newline character?

A. \r
B. \n
C. /n
D. /r
Answer» B. \n
5040.

Where is memory address stored in a C program?

A. stack
B. pointer
C. register
D. accumulator
Answer» C. register
5041.

In which writing scheme does all the data writes go through to main memory and update the system and cache?

A. write-through
B. write-back
C. write buffering
D. no caching of writing cycle
Answer» B. write-back
5042.

What is the value of magnetic pressure used in Magnetic abrasive machining?

A. 0 – 30 kPa
B. 50 – 100 kPa
C. 100 – 200 kPa
D. 200 – 500 kPa
Answer» B. 50 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 100 kPa
5043.

_____ is a financial estimate for the costs of the use of a product or service over its lifetime.

A. TCO
B. TOC
C. COT
D. All of the mentioned
Answer» B. TOC
5044.

What is the value of orifice diameter in Abrasive water jet machining?

A. 0.01 – 0.03 mm
B. 0.03 – 0.09 mm
C. 0.10 – 0.30 mm
D. 0.30 – 0.90 mm
Answer» D. 0.30 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 0.90 mm
5045.

Which of the following partitions the key space ?

A. Partitioner
B. Compactor
C. Collector
D. All of the mentioned
Answer» B. Compactor
5046.

In a system if, Accumulation = Generation – Consumption, where both the terms are distinct and non-zero, then the system is which of the following?$

A. Steady-state
B. Closed
C. Non-reactive
D. None of the mentioned
Answer» C. Non-reactive
5047.

A 4-pole Dc wound machine is lap wound with 400 conductors. The pole shore is 20 cm long and average flux density over one-pole pitch is 0.4 T, the armature diameter being 30 cm. What is the value of induced emf?

A. 188 V
B. 276 V
C. 94 V
D. 188 mV
Answer» B. 276 V
5048.

Class C4 of class C schedule II focus on _____

A. Corrosivity
B. Flammability
C. Toxicity
D. Reactivity
Answer» D. Reactivity
5049.

_______ Heat exchanger is needed for cream than for milk, if capacities and temperature programs are identical.

A. Larger
B. Smaller
C. Similar
D. Stagnant
Answer» B. Smaller
5050.

_______________ is commonly used as a mask for Si etching.

A. Silicon dioxide
B. Silicon nitride
C. Silicone gel
D. Silicon sulphate
Answer» C. Silicone gel