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.

4601.

Which waveform type has the feature of clocking?

A. Manchester coding
B. Bbi-p-M
C. Delay modulation
D. NRZ-L
Answer» B. Bbi-p-M
4602.

Lower resistances are difficult to measure using Wheatstone bridge circuit because of ____________

A. Leakage currents
B. I<sup>2</sup>R effects
C. Power dissipation
D. Thermal breakdown
Answer» C. Power dissipation
4603.

Lower inertia is obtained due to much larger gap and hence stronger magnets are used for this purpose.

A. True
B. False
Answer» B. False
4604.

Which chemical is usually used before Bacterial transformation process?

A. Calcium chloride
B. Potassium chloride
C. Ferric chloride
D. Sodium chloride
Answer» B. Potassium chloride
4605.

With SQL, how can you return the number of not null records in the “Persons” table ?$

A. SELECT COUNT() FROM Persons
B. SELECT COLUMNS() FROM Persons
C. SELECT COLUMNS(*) FROM Persons
D. SELECT COUNT(*) FROM Persons
Answer» B. SELECT COLUMNS() FROM Persons
4606.

What is the value of 1 micron?

A. 10<sup>-6</sup>cm
B. 10<sup>-5</sup>cm
C. 10<sup>-4</sup>cm
D. 10<sup>-3</sup>cm
Answer» D. 10<sup>-3</sup>cm
4607.

Another name for base is __________

A. root
B. radix
C. entity
D. median
Answer» C. entity
4608.

The pressure deficiency of held water in a capillary tube is termed as____________

A. Soil suction and suction pressure
B. Negative pressure
C. None of the mentioned
D. All of the mentioned
Answer» B. Negative pressure
4609.

In which of the following cases Session Initiation Protocol is not used?

A. Instant Messaging
B. Voice over LTE (VoLTE)
C. Internet telephony
D. Data Transferring
Answer» E.
4610.

x is greater than 2

A. x is less than 2
B. 3
C. None of the mentioned
Answer» B. 3
4611.

In telegraphy we generally use __________

A. Amplitude modulation
B. Frequency modulation
C. Frequency Shift Keying
D. Pulse Code modulation
Answer» D. Pulse Code modulation
4612.

_______ is the horizontal distance between the faces of two consecutive Risers.

A. Riser
B. Flight
C. Going
D. Newel post
Answer» D. Newel post
4613.

What is the formula for efficiency?

A. η = W<sub>min</sub> /(LW + W<sub>max</sub>)
B. η = W<sub>max</sub> /(LW + W<sub>max</sub>)
C. η = W<sub>min</sub> /(LW + W<sub>max</sub>)
D. η = W<sub>min</sub> /( W<sub>max</sub>)
Answer» D. ‚âà√≠‚Äö√†√´ = W<sub>min</sub> /( W<sub>max</sub>)
4614.

PET is prepared by heating dimethyl terephthalate and ethylene glycol in

A. Acidic medium
B. Basic medium
C. Neutral medium
D. Water
Answer» C. Neutral medium
4615.

Which of the following is a tarnish resistant alloy?

A. Soft solder
B. Bronze
C. Aluminum-tin
D. Pewter
Answer» E.
4616.

Tacking fasteners are used when _______

A. minimum distance between centre of two adjacent fasteners is exceeded
B. maximum distance between centre of two adjacent fasteners is exceeded
C. maximum distance between centre of two adjacent fasteners is not exceeded
D. for aesthetic appearance
Answer» C. maximum distance between centre of two adjacent fasteners is not exceeded
4617.

Which of the following category in properties can be considered as a limitation to the application of polyethylene?

A. chemical inertness
B. toxicity
C. softening point
D. insulation properties
Answer» D. insulation properties
4618.

Which of the following is also called as forward hot extrusion?

A. Direct extrusion
B. Indirect extrusion
C. Impact extrusion
D. Hydrostatic extrusion
Answer» B. Indirect extrusion
4619.

Which of the following is true for standard driven marketplace?

A. Vendors and users work together to define the standards
B. Vendors commit to the standards by conforming products
C. Users commit to the standards by using them to guide their purchases
D. All of the mentioned
Answer» E.
4620.

The RUP is normally described from three perspectives-dynamic, static & practice.What does static perspective do ?

A. It shows the process activities that are enacted
B. It suggests good practices to be used during the process
C. It shows the phases of the model over time
D. All of the mentioned
Answer» B. It suggests good practices to be used during the process
4621.

Ignition delay does not depend upon the type of the fuel used in the engine.

A. True
B. False
Answer» C.
4622.

4914mm

A. 0.4235mm
B. 0.4621mm
C. 0.4354mm
Answer» C. 0.4354mm
4623.

The divergence theorem for a surface consisting of a sphere is computed in which coordinate system?

A. Cartesian
B. Cylindrical
C. Spherical
D. Depends on the function
Answer» E.
4624.

What is called for an organism that eats both plants and animals?

A. Omnivore
B. Carnivore
C. Decomposers
D. Herbivore
Answer» B. Carnivore
4625.

Which defect takes place if the reduction per mass is very low?

A. Zipper cracks
B. Folds
C. Laminations
D. Alligatoring
Answer» C. Laminations
4626.

Introducing FET differential amplifier pair at the input stage of differential amplifier produces

A. High output resistance
B. High input resistance
C. Low input impedance
D. All of the mentioned
Answer» C. Low input impedance
4627.

What happens when a large value a.c. current is passed through superconductors?

A. Conductivity increases
B. Superconducting property is destroyed
C. It acts as a magnet
D. It becomes resistant
Answer» C. It acts as a magnet
4628.

Which vectors carry the longest foreign DNA fragments?

A. M13 based vectors
B. Lambda based vectors
C. Plasmids
D. Hybrid vectors
Answer» C. Plasmids
4629.

The window opened on the raster graphics screen in which the image will be displayed is called _____________

A. World co-ordinate system
B. Screen co-ordinate system
C. World window
D. Interface window
Answer» E.
4630.

Rigorous method are based on?

A. Heat duties
B. Product compositions
C. Feed tares
D. Stages
Answer» B. Product compositions
4631.

Determine the fundamental period of the following signal:sin60t.

A. 1/60 sec
B. 1/30 sec
C. 1/20 sec
D. 1/10 sec
Answer» C. 1/20 sec
4632.

Electrolyte should carry away the heat generated and products of the reaction.

A. True
B. False
Answer» B. False
4633.

If for same temperature and pressure change, the value of bulk modulus is compared for isothermal process and adiabatic process, which one would be higher?

A. Isothermal process
B. Adiabatic process
C. Value is constant for both the processes
D. None of the mentioned
Answer» C. Value is constant for both the processes
4634.

Which of the facts(s) is/are true for the first order derivative of a digital function?

A. Must be nonzero in the areas of constant grey values
B. Must be zero at the onset of a gray-level step or ramp discontinuities
C. Must be nonzero along the gray-level ramps
D. None of the mentioned
Answer» D. None of the mentioned
4635.

One-way communication is the most democratic way of communication.

A. True
B. False
Answer» C.
4636.

What is the range of shafts which produce transition fits?

A. Shaft ‘a’ to ‘h’
B. Shaft ‘e’ to ‘n’
C. Shaft ‘d’ to ‘h’
D. Shaft ‘j’ to ‘n’
Answer» E.
4637.

____________ method renders the document in a JSON-like format.

A. displayjson
B. print
C. printjson
D. printdoc
Answer» D. printdoc
4638.

The DNA is sliced and is placed into the dialysis tube containing buffer. Further electrophoresis is performed. After it, the DNA moves out of the gel but is retained by buffer. The given statement is true or false?

A. True
B. False
Answer» B. False
4639.

Which of the following command is used for viewing the attributes of contents of an archive?

A. tar -tvf abc.tar
B. tar -cvf abc.tar
C. tar -xvf abc.tar
D. tar -t abc.tar
Answer» B. tar -cvf abc.tar
4640.

In a concurrent process, the entering and leaving stream of the liquid phase concentrations in terms mole ratio is 0.25 and 0.45 also the entering and leaving stream concentration of the gas phase in terms mole ratio is 0.4 and 0.6

A.
B. 1
C. 2
Answer» B. 1
4641.

Bluetooth operates in which band?

A. Ka Band
B. L Band
C. Ku Band
D. 2.4 GHz ISM Band
Answer» E.
4642.

The ___________ process of Repap enterprises using 50%ethanol and 50% water at 195 degree celcius for nearly 1 hour has been demonstrated at 15 t/d.

A. Copper cell
B. Magnesium cell
C. Aluminium cell
D. Strontium cell
Answer» D. Strontium cell
4643.

AC equivalent of resistance is impedance.

A. True
B. False
Answer» B. False
4644.

In moisture content test, what amount of prepared sand is placed on the pan?

A. 10-40 grams
B. 20-50 grams
C. 30-60 grams
D. 40-70 grams
Answer» C. 30-60 grams
4645.

QFD works best if it has management commitment.

A. True
B. False
Answer» B. False
4646.

High head, low head and medium head turbines are classified based on

A. Type of energy at inlet
B. Direction of flow through runner
C. Head at inlet of turbine
D. Specific speed of turbine
Answer» D. Specific speed of turbine
4647.

The quantities needed to complete retardation test are/is

A. dw/dt and moment of inertia
B. dw/dt
C. current
D. any of the mentioned
Answer» B. dw/dt
4648.

Amount of data transmitted for a given time is called _________

A. Noise
B. Frequency
C. Bandwidth
D. Power
Answer» D. Power
4649.

The reddish tinge in the water is due to the presence

A. Zinc
B. Copper
C. Iron
D. Manganese
Answer» D. Manganese
4650.

In homologous recombination what part of the plasmid gets integrated into the host?

A. Origin part
B. Cos sites
C. Entire plasmid
D. Gene of interest
Answer» D. Gene of interest