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.

5101.

Which of the following is used to drive the work piece?

A. carriers
B. catch plates
C. both carriers and catch plates
D. none of the mentioned
Answer» D. none of the mentioned
5102.

On which load power factor zero voltage regulation will be achieved?

A. 0
B. 1
C. Leading
D. Lagging
Answer» D. Lagging
5103.

A road roller has a total mass of 12 tonnes. The front roller has a mass of 2 tonnes, a radius of gyration of 0.4 m and a diameter of 1.2 m. The rear axle, together with its wheels, has a mass of 2.5 tonnes, a radius of gyration of 0.6 m and a diameter of 1.5 m. Calculate total kinetic energy of road roller.

A. 25170 N-m
B. 35170 N-m
C. 45170 N-m
D. 55170 N-m
Answer» E.
5104.

In practical application of current mirror, early voltage is assumed to be

A. Infinite
B. Zero
C. Unity
D. None of the mentioned
Answer» B. Zero
5105.

Which of the following option is correct for plug gauges, Plain?

A. Have only one ring marked on the gauge plane
B. Have only one ring indicates maximum depth
C. Have two rings
D. Have only one ring indicates minimum depth
Answer» D. Have only one ring indicates minimum depth
5106.

On increasing the distance between the plates of a variable capacitor, the displacement- capacitance characteristics changes _______

A. proportionally
B. linearly
C. exceptionally
D. hyperbolically
Answer» E.
5107.

When an element moves in a flow field it translates, it also rotates along a streamline and in addition, its shape may undergo distortion.

A. True
B. False
Answer» B. False
5108.

As we move down a group, electronegativity of elements generally:

A. Increases
B. Decreases
C. Increases and then decreases
D. Decreases and then increases
Answer» B. Decreases
5109.

Which of the following property specifies the order of a flexible item relative to the rest of the flexible items inside the same container?

A. sort
B. layout
C. order
D. asort
Answer» D. asort
5110.

Assume we need to download text documents at the rate of 100 pages per second. What is the required bit rate of the channel?

A. 1.846 Mbps
B. 1.536 Mbps
C. 2.4 Mbps
D. None of the Mentioned
Answer» C. 2.4 Mbps
5111.

Which of the following cutting tool can have single roller?

A. boring tool
B. knurling tool
C. both boring tool and knurling tool
D. none of the mentioned
Answer» D. none of the mentioned
5112.

IBM landscape contains ________ worlds.

A. 3
B. 2
C. 4
D. 5
Answer» C. 4
5113.

The maximum size of the product is _____

A. 2d
B. 4d
C. 5d
D. 2.5d
Answer» B. 4d
5114.

Temperature and pressure are the only factors which affect the reaction rate. state true or false

A. True
B. False
Answer» C.
5115.

How is the expression represented for the normalized histogram?

A. p(r_<sub>k</sub> )=n_<sub>k</sub>
B. p(r_<sub>k</sub> )=n_<sub>k</sub>/n
C. p(r_<sub>k</sub>)=nn_<sub>k</sub>
D. p(r_<sub>k</sub> )=n/n_<sub>k</sub>
Answer» C. p(r_<sub>k</sub>)=nn_<sub>k</sub>
5116.

While programming for any type of interrupt, the interrupt vector table is set

A. externally
B. through a program
C. either externally or through the program
D. externally and through the program
Answer» D. externally and through the program
5117.

Myoglobin is particularly abundant in

A. Nerves
B. Muscles
C. Blood cells
D. Skin
Answer» C. Blood cells
5118.

In which waveform one is represented by half bit wide pulse positioned during the first half and zero is represented by half bit wide pulse positioned in the second half?

A. Bi-p-L
B. Bi-p-M
C. Bi-p-S
D. Delay modulation
Answer» B. Bi-p-M
5119.

Where current division problem arises

A. Series connected resistors
B. Parallel connected resistors
C. When resistors are equal
D. Both series and parallel resistors.
Answer» C. When resistors are equal
5120.

Assertion (A): Slotted armature type in this armature is placed in slotted armature with DC windings placed inside the slots.

A. : The construction is highly reliable and rugged but has high torque.
B. Both A and R are true and R is correct explanation of A
C. Both A and R are true but R is not correct explanation of A
D. A is true but R is false
Answer» C. Both A and R are true but R is not correct explanation of A
5121.

Which of the following activity is not considered in Protein Fractionation which is routinely used in proteomic research?

A. Reduce the size of the protein pool to be analyzed
B. Remove highly expressed proteins
C. Bring Low abundant proteins into dynamic range
D. Bring High abundant proteins into dynamic range
Answer» E.
5122.

If for an algorithm time complexity is given by O(1) then complexityof it is:

A. constant
B. polynomial
C. exponential
D. none of the mentioned
Answer» B. polynomial
5123.

With SQL, how do you select all the records from a table named “Persons” where the value of the column “FirstName” ends with an “a” ?$

A. SELECT * FROM Persons WHERE FirstName=’a’
B. SELECT * FROM Persons WHERE FirstName LIKE ‘a%’
C. SELECT * FROM Persons WHERE FirstName LIKE ‘%a’
D. SELECT * FROM Persons WHERE FirstName=’%a%’
Answer» D. SELECT * FROM Persons WHERE FirstName=‚Äö√Ñ√∂‚àö√ë‚àö¬•%a%‚Äö√Ñ√∂‚àö√ë‚àö¬•
5124.

Initially, the p-type carriers are located to the____________of the semiconductor.

A. Right
B. Left
C. Middle
D. Top
Answer» C. Middle
5125.

Convert : (110)2 = ( __ )10.

A. 4
B. 5
C. 6
D. 9
Answer» D. 9
5126.

The maximum tensile stress of water in capillary tube is___________

A. Proportional to the diameter of tube
B. Inversely proportional to height of capillary rise
C. Inversely proportional to the radius of meniscus
D. All of the mentioned
Answer» D. All of the mentioned
5127.

Submerged machining is used for ____

A. cutting small taper angles
B. tiny workpieces
C. laminations
D. workpieces with no undercuts
Answer» D. workpieces with no undercuts
5128.

The latest version of TLS is _____

A. version 1.1
B. version 1.2
C. version 2.1
D. version 1.3
Answer» C. version 2.1
5129.

The RF section of radio consists both oscillator and buffer stage.

A. True
B. False
Answer» B. False
5130.

______ is the vertical member which is fixed between string and handrail to give support to the handrail.

A. Baluster
B. Balustrade
C. Flight
D. Barrister
Answer» B. Balustrade
5131.

Which of the following is a correct equation for entropy balance?

A. ∑<sub>out of system</sub> (nS+Q/Ts) – ∑in<sub>system</sub> (nS)=0
B. ∑<sub>out of system</sub> (nS+Q/Ts) – ∑in<sub>system</sub> (nS+Q/Ts)=ΔS<sub>r</sub>
C. ∑<sub>out of system</sub> (nS) – ∑in<sub>system</sub> (nS+Q/Ts)=ΔS<sub>r</sub>
D. ∑<sub>out of system</sub> (nS+Q/Ts) – ∑in<sub>system</sub> (nS+Q/Ts)=0
Answer» C. ‚Äö√Ñ√∂‚àö‚Ć‚àö¬¥<sub>out of system</sub> (nS) ‚Äö√Ñ√∂‚àö√ë‚àö¬® ‚Äö√Ñ√∂‚àö‚Ć‚àö¬¥in<sub>system</sub> (nS+Q/Ts)=‚âà√≠‚àö√ÜS<sub>r</sub>
5132.

Nylon-6, 6 have application in medicine and pharmacy because of

A. Elasticity
B. Toughness
C. Good hydrocarbon resistance
D. Sterilisability
Answer» E.
5133.

Which of the following is an application of Inconel?

A. Furnace chamber
B. Chemical storage tank
C. Pumps
D. Spray nozzles
Answer» B. Chemical storage tank
5134.

Minimum edge distance and end distance for rolled, machine flame cut is

A. 1.7 x hole diameter
B. 1.2 x hole diameter
C. 1.5 x hole diameter
D. 2.0 x hole diameter
Answer» D. 2.0 x hole diameter
5135.

What does higher melt flow index (MFI) indicates in polymer system and which type of polyethylene belongs to higher MFI value category?

A. lower molecular weight, LDPE
B. higher molecular weight, LDPE
C. lower molecular weight, HDPE
D. higher molecular weight, HDPE
Answer» B. higher molecular weight, LDPE
5136.

Efficiency of the screw depends upon helix angle but does not depend on friction angle.

A. True
B. False
Answer» C.
5137.

Which of the following is not made using extrusion?

A. Window frames
B. Doors
C. Helmets
D. Rods
Answer» D. Rods
5138.

Which among the following is another important force at work in determining the results of pursuing an open systems approach?

A. Conformance
B. Marketplace
C. All of the mentioned
D. None of the mentioned
Answer» D. None of the mentioned
5139.

Choose an internal software quality from given below:

A. scalability
B. usability
C. reusability
D. reliability
Answer» D. reliability
5140.

Part load operation of a spark ignition engine is not affected by throttling the incoming charge.

A. True
B. False
Answer» C.
5141.

350kN

A. 365kN
B. 375kN
C. 400kN
Answer» B. 375kN
5142.

Evaluate the surface integral ‚à´‚à´ (3x i + 2y j). dS, where S is the sphere given by x2 + y2 + z2 = 9.$

A. 120π
B. 180π
C. 240π
D. 300π
Answer» C. 240‚âà√¨‚àö√ë
5143.

What are called for an organisms which get energy by eating dead organisms?

A. Decomposers
B. Producers
C. Consumers
D. Herbivores
Answer» B. Producers
5144.

Which of the following cannot be regarded as an internal structure defect?

A. Edge crack
B. Zipper cracks
C. Alligatoring
D. Quevering
Answer» E.
5145.

In Darlington pair differential amplifier the current gain is given as 100. Where IB1=5µA and IC1=0.35mA. Determine IC2$

A. 0.5mA
B. 1.5mA
C. 2mA
D. 0.15mA
Answer» E.
5146.

In which of the following does the residual resistivity exist?

A. Impure metal at high temperature
B. Pure metal at low temperature
C. Pure metal at high temperature
D. Impure metal at low temperature
Answer» E.
5147.

What digestion pattern of the restriction endonucleases is followed while constructing recombinant molecule using a cosmid?

A. Partial digestion
B. Complete digestion
C. Single endonuclease digestion
D. Double endonuclease digestion
Answer» B. Complete digestion
5148.

What is the name of the space in which the image is displayed?

A. World co-ordinate system
B. Screen co-ordinate system
C. World window
D. Interface window
Answer» C. World window
5149.

Wide boiling and energy coupled systems are drastically

A. Exponential
B. Linear
C. Logarithmic
D. Semi logical
Answer» C. Logarithmic
5150.

Most of the signals found in nature are _________

A. Continuous-time and discrete-time
B. Continuous-time and digital
C. Digital and Analog
D. Analog and Continuous-time
Answer» E.