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.

701.

Which of the following options contain only non-covalent interactions?

A. Disulfide bond, Ionic bond
B. Ionic bond, peptide bond
C. Hydrogen bond, disulfide bond
D. Hydrogen bond, Ionic bond
Answer» E.
702.

Find the odd one out?

A. Hydrogen bond
B. Ionic bond
C. Hydrophobic interactions
D. Disulfide bond
Answer» E.
703.

What is meant by pryolozation of high-molecular-weight petroleum fractions?

A. Hydrogenation
B. No hydrogenation
C. Oxidation
D. All of the mentioned
Answer» C. Oxidation
704.

What is/are the use(s) of extra hydrogen?

A. Hydrotreating
B. As fuel
C. For manufacturing
D. All of the mentioned
Answer» E.
705.

Hydrogenation of petroleum oils is/are classified in what?

A. Destructive
B. Non-destructive
C. Both destructive and non-destructive
D. None of the mentioned
Answer» D. None of the mentioned
706.

The operating hydrogenation processes is divided into 3 parts.

A. True
B. False
Answer» C.
707.

Which type of reaction is hydrogenation?

A. Exothermic
B. Endothermic
C. Neutral
D. None of the mentioned
Answer» B. Endothermic
708.

The fuels can have a wide range of octane or cetane numbers.

A. True
B. False
Answer» B. False
709.

What is the default time limit that is set automatically if no value is passed as the limit to the setTimeout() function?

A. 100 milliseconds
B. 1500 milliseconds
C. 1000 milliseconds
D. 2432 milliseconds
Answer» D. 2432 milliseconds
710.

How many parameters does the flush() function accept?

A. 0
B. 1
C. 2
D. 4
Answer» B. 1
711.

What is the maximum number of arguments does the find() function accept?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
712.

What is the function of the readBytesUntil() function?

A. Reads only integers from a stream
B. Reads any characters from a stream
C. Reads only special characters from a stream
D. Tokenizes a string from a stream
Answer» C. Reads only special characters from a stream
713.

What is the function in Arduino that is capable of reading Strings from a stream and store the acquired value into a String?

A. Stream.readstring()
B. Stream.stringread()
C. Stream.readString()
D. Stream.readfromstring()
Answer» D. Stream.readfromstring()
714.

What is the purpose of the following code?

A. Send a byte with value 40 through the Serial pins
B. Send a signal to pin 40 on the Arduino board
C. Send a hexadecimal number of 40 through the Serial pins
D. Send a octal number of 40 through the Serial pinsView Answer
Answer» B. Send a signal to pin 40 on the Arduino board
715.

Does the UART Architecture require an external clock?

A. Yes
B. No
Answer» C.
716.

In Serial Communications, how many sections is a data packet divided into?

A. 1
B. 2
C. 3
D. 4
Answer» E.
717.

What is the full form of UART?

A. Universal Asynchronous Receiver/Transmitter
B. Universal Anti-Rectifying Transmitter
C. Universal Asynchronous Radio Transmitter
D. Universal Asynchronous Rectifier Transistor
Answer» B. Universal Anti-Rectifying Transmitter
718.

How many RX-TX pairs of pins are present in the Arduino Mega?

A. 1
B. 2
C. 3
D. 4
Answer» E.
719.

Statement 1: Hurdle technology is a ‘multi-target preservation’.Statement 2: The main target of food preservation is to help the harmful microorganisms to achieve homeostasis.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» B. True, True
720.

Statement 1: When several factors for food processing and preservation are applied to one food product, it is called Hurdle technology.Statement 2: Hurdle technology has arisen due to demand of costumers for healthier and more nutritious food items.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
721.

Statement 1: Pulsed Electric field needs to followed by refrigeration storing to increase shelf life and prevent spoilage.Statement 2: Structural changes at cell membrane and inactivation of enzymes, is how high hydrostatic pressure works for the food industry.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
722.

Statement 1: In Pulsed Electric field, food is kept between two electrodes and electricity is passed to deactivate microbes.Statement 2: Pulsed Electric field increases shelf life.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
723.

Certain antioxidants (e.g. – Nisin) can be used with the organic acids to reduce certain micro flora.

A. True
B. False
Answer» B. False
724.

How is the creep strength of ceramics when compared to other materials?

A. Zero
B. Low
C. High
D. Excellent
Answer» E.
725.

Which ceramic material does Si3Al3O3N5 denote?

A. Silicon carbide
B. Silicon nitride
C. Sialon
D. Silicon alumino nitrate
Answer» D. Silicon alumino nitrate
726.

What is the coefficient of thermal expansion of silicon carbide?

A. 9 * 10-6
B. 4.3 * 10-6
C. 3.2 * 10-6
D. 10.6 * 10-6
Answer» C. 3.2 * 10-6
727.

A solid ram is used in direct extrusion.

A. True
B. False
Answer» B. False
728.

Which of the following metal is used in the wire drawing process in die making?

A. Copper
B. Iron
C. Tungsten
D. Magnesium
Answer» D. Magnesium
729.

Extrusion process is not suitable for which of the following?

A. Steel alloys
B. Non-ferrous alloys
C. Stainless steel
D. Iron
Answer» E.
730.

Schedule VII is the ________

A. Authorities
B. Import prohibition
C. Export
D. Recyclable HW
Answer» B. Import prohibition
731.

Schedule VI deals with ________

A. Import prohibition
B. Export
C. Recyclable HW
D. Fuel recycle
Answer» B. Export
732.

Part A of Schedule IV is for ________

A. Import
B. Export
C. Recyclable HW
D. Fuel recycle
Answer» E.
733.

Schedule IV deals with _________

A. Import
B. Export
C. Recyclable HW
D. Analysis
Answer» D. Analysis
734.

Part D of schedule III deals with characters of hazardous waste.

A. True
B. False
Answer» C.
735.

Part A of schedule III deals with ________

A. Import and export
B. Transportation
C. Analysis
D. Toxicity
Answer» B. Transportation
736.

Class C5 of class C schedule II focus on _________

A. Poisons
B. Flammability
C. Toxicity
D. Reactivity
Answer» B. Flammability
737.

Class C4 of class C schedule II focus on _________

A. Corrosivity
B. Flammability
C. Toxicity
D. Reactivity
Answer» D. Reactivity
738.

Class C3 of class C schedule II focus on ________

A. Corrosivity
B. Flammability
C. Toxicity
D. Reactivity
Answer» E.
739.

The Bisection method has which of the following convergences?

A. Linear
B. Quadratic
C. Cubic
D. Quaternary
Answer» B. Quadratic
740.

A function is defined as f(x) = x3 – x – 11 = 0. Between the interval [2,3] find the root of the function by Bisection Method upto 8 iteration?

A. 1.7334
B. 1.7364
C. 1.7354
D. 1.7344
Answer» E.
741.

The algorithm provided to find the roots of the function using Bisection Method is given by ____________

A. Bolzano’s theorem
B. Mean Value theorem
C. Bisection theorem
D. Secant theorem
Answer» B. Mean Value theorem
742.

Find the approximated value of x till 6 iterations for x3-4x+9=0 using Bisection Method. Take a = -3 and b = -2.

A. -2.703125
B. -1.903125
C. -3.903125
D. -0.703125
Answer» B. -1.903125
743.

What is the percentage decrease in an interval containing root after iteration is applied by Bisection Method?

A. 20%
B. 30%
C. 40%
D. 50%
Answer» E.
744.

If it is provided that f(3) = 4 is one of the initial points. What can be the choice of second point for solving by Bisection Method?

A. -5 such that f(-5) = -26
B. 0 such that f(0) = 5
C. -3 such that f(-3) = -2
D. 13 such that f(13) = 2
Answer» D. 13 such that f(13) = 2
745.

The function on which we use the bisection method is not necessary to be continuous on the interval we choose.

A. True
B. False
Answer» C.
746.

If a function is defined at 2 points 3 and 7 as f(3)=8 and f(7)=12, it is sufficient to find the roots through Bisection Method.

A. True
B. False
Answer» C.
747.

Find the root of xe-x -0.3 = 0 using Bisection Method in the interval [1,5].

A. 1.68
B. 1.86
C. 1.88
D. 1.66
Answer» C. 1.88
748.

Using Bisection method find the root of 3x2 = 5x+2 in the interval [0,3].

A. 0.617
B. 0.527
C. 0.517
D. 0.717
Answer» D. 0.717
749.

Which configuration of memory organisation replaces By 1 organisation?

A. by 4 organisation
B. by 8 organisation
C. by 9 organisation
D. by 16 organisation
Answer» B. by 8 organisation
750.

Which of the memory organisation is widely used in parity bit?

A. by 1 organisation
B. by 4 organisation
C. by 8 organisation
D. by 9 organisation
Answer» B. by 4 organisation