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.

4551.

The neutral pressure does not have any effect on___________

A. Shearing resistance
B. Shearing strength
C. Shearing stress
D. All of the mentioned
Answer» B. Shearing strength
4552.

Shunt magnet consists of _________

A. N shaped laminations
B. E shaped laminations
C. S shaped laminations
D. M shaped laminations
Answer» E.
4553.

The major field(s) of application of gas turbine is (are)

A. Aviation
B. Oil and gas industry
C. Marine propulsion
D. All of the mentioned
Answer» E.
4554.

The maximum efficiency of Rankine cycle (ηr) is the function of$

A. the mean temperature of heat addition (T<sub>m</sub>) only
B. the mean temperature of heat addition (T<sub>m</sub>) and temperature of steam at the exit of the turbine
C. the mean temperature of heat addition (T<sub>m</sub>) and temperature of steam at the entry of the turbine
D. the mean temperature of heat addition (T<sub>m</sub>) and temperature of steam at exit of the condenser
Answer» B. the mean temperature of heat addition (T<sub>m</sub>) and temperature of steam at the exit of the turbine
4555.

The velocity distribution for fluid flow over a flat plate is given by u=2y-6y2 in which u is the velocity in metre per second at a distance of y metre above the plate. Determine the shear stress at y=0.15m.Take dynamic viscosity of fluid as 8.6 poise.

A. 0.172 N/m<sup>2</sup>
B. 0.344 N/m<sup>2</sup>
C. 0.086 N/m<sup>2</sup>
D. None of the mentioned
Answer» B. 0.344 N/m<sup>2</sup>
4556.

___________ is a device which secretly collects data from credit / debit cards.

A. Card Skimmer
B. Data Stealer
C. Card Copier
D. Card cloner
Answer» B. Data Stealer
4557.

The height of low kerb is kept about

A. 50mm
B. 75mm
C. 100mm
D. 200mm
Answer» D. 200mm
4558.

The LSB and MSB of 1243247 are ____ and ____

A. 1, 7
B. 4, 7
C. 7, 1
D. 4, 1
Answer» D. 4, 1
4559.

Single ended transmission means _________

A. That all the signals have a similar bit pattern
B. That the signals have a common source
C. That the signals have a common ground return
D. That the signals have a similar voltage signature
Answer» D. That the signals have a similar voltage signature
4560.

What will happen if the metal ware is kept for long time for coating of polymer in the fluidized bed?

A. Better coating
B. Irregular thickness
C. Time is independent of time
D. None of the mentioned
Answer» C. Time is independent of time
4561.

The average pore size of an agarose gel depends on _______________

A. Casting tray
B. Buffer composition
C. Amount
D. Protein
Answer» C. Amount
4562.

In which class of folds, the Isogans converge inwards?

A. Class 1
B. Class 2
C. Class 3
D. Class 4
Answer» B. Class 2
4563.

Which of the following term defines the production of heat and light when excited molecule returns to its original state?

A. Fluorescence
B. Luminescence
C. Intersystem crossing
D. Phosphorescence
Answer» B. Luminescence
4564.

To select an object designer has to place the pickbox over a part of the object and left click the mouse. When the object has been picked ___________

A. it is highlighted in a black colour
B. it is highlighted in a thick line
C. it becomes darker
D. it is highlighted in a dashed line
Answer» E.
4565.

AcceptHeaderLocaleResolver esolves locales by inspecting the accept-language header of an HTTP request.

A. True
B. False
Answer» B. False
4566.

The ___________ are generally provided to give light and ventilation both to the interior part of a building.

A. Ventilators
B. Doors
C. Windows
D. Lintels
Answer» D. Lintels
4567.

What is a default value?

A. It is a value that automatically creates a primary key
B. It is a value that cannot be altered during insertion of values in the tuple
C. It is a value that is initially loaded into the attribute
D. None of the mentioned
Answer» D. None of the mentioned
4568.

Which of the following analysis helps out to find the effect of variable change ?

A. Inferential
B. Exploratory
C. Causal
D. None of the Mentioned
Answer» D. None of the Mentioned
4569.

Repeatability is defined as ____

A. Repeating ability of a process to give almost same products in short interval of time
B. Repeating ability of a measuring instrument to give almost same measurement in short interval of time
C. Repeating ability of a process to give almost same products in long interval of time
D. Repeating ability of a measuring instrument to give almost same measurement in long interval of time
Answer» C. Repeating ability of a process to give almost same products in long interval of time
4570.

The statement which is logically equivalent to A‚àß (and) B is$

A. A->B
B. ~A ‚àß ~ B
C. A ‚àß ~B
D. ~(A->~B)
Answer» E.
4571.

Determine the current flowing in the ammeter having 1Ω internal resistance connected in series with the 3Ω resistor shown in the circuit shown in the question 3.$

A. 0.91
B. 0.92
C. 0.93
D. 0.94
Answer» D. 0.94
4572.

Which of the following is not a way of correcting the metal which does not have good weldability properties?

A. Procedure of welding
B. Provision of fluxing material
C. Provision of filler material
D. Procedure of adding filler materials
Answer» E.
4573.

Calculate the capture rate where Cn=10, Nt=1010cm-3, n=1020 and fF (Et)=0.4.

A. 6*10<sup>30 </sup>
B. 5*10<sup>30</sup>
C. 36*10<sup>30</sup>
D. 1.66*10<sup>29</sup>
Answer» B. 5*10<sup>30</sup>
4574.

Which of the following provides a standard API for doing computations with MongoDB?

A. Blaze
B. Geopandas
C. FRED
D. All of the Mentioned
Answer» B. Geopandas
4575.

___________ corrosion takes place at or near the room temperature when the metal comes into contact with moisture or with aqueous solutions of salt, acids or bases.

A. Direct corrosion
B. Dry corrosion
C. Galvanic corrosion
D. Electrochemical corrosion
Answer» E.
4576.

For crushing test what is the size of a specimen to be used?

A. 50 √ó 50 √ó 50mm
B. 100 √ó 100 √ó 100mm
C. 45 √ó 45 √ó 45mm
D. 40 √ó 40 √ó 40mm
Answer» E.
4577.

How many different forms of precipitation are there?

A. 4
B. 5
C. 6
D. 7
Answer» D. 7
4578.

Why are there no charts available for liquid-liquid distribution?

A. The values are different every time
B. Because of pronounced effect of composition
C. Because the distribution is tough to find
D. There is no convergence pressure
Answer» C. Because the distribution is tough to find
4579.

The α form of iron is known as :$

A. Ferrite
B. Cementite
C. Perlite
D. Austenite
Answer» B. Cementite
4580.

If ‘V’ is vehicle speed(in metres/min) and ‘R’ is radius of driving wheel(in metres) then the rpm of the driving wheel is given by$

A. rpm = V/2πR
B. rpm = 2πV/R
C. rpm = πR/V
D. rpm = πV/R
Answer» B. rpm = 2‚âà√¨‚àö√ëV/R
4581.

______________ is a parallel development of functions and subsequent integration.

A. AOP
B. OOP
C. Agile Development
D. RAD
Answer» E.
4582.

MEME stands for _____________

A. Multiple Expectation Maximization for Motif Elicitation
B. Multiple Expectation Maximization for Motif Extraction
C. Mega Expectation Maximization for Motif Elicitation
D. Micro Expectation Maximization for Motif Extraction
Answer» B. Multiple Expectation Maximization for Motif Extraction
4583.

What is the minimum number of two input NAND gates used to perform the function of two input OR gates?

A. One
B. Two
C. Three
D. Four
Answer» D. Four
4584.

Knurling can be performed by special attachments.

A. true
B. false
Answer» C.
4585.

At which power factor one will get maximum voltage regulation?

A. 0
B. 1
C. Leading
D. Lagging
Answer» E.
4586.

A haulage rope winds on a drum of radius 500 mm, the free end being attached to a truck. The truck has a mass of 500 kg and is initially at rest. The drum is equivalent to a mass of 1250 kg with radius of gyration 450 mm. The rim speed of the drum is 0.75 m/s before the rope tightens. By considering the change in linear momentum of the truck and in the angular momentum of the drum, find the speed of the truck when the motion becomes steady.

A. 0.502 m/s
B. 0.602 m/s
C. 0.702 m/s
D. 0.802 m/s
Answer» B. 0.602 m/s
4587.

What will be the value of emitter resistance in widlar current source for output current 10mA, having Iref=2.7A

A. 67/(1+1/β)Ω
B. 13/(1+1/β)Ω
C. 14/(1+1/β)Ω
D. 1.36/(1+1/β)Ω
Answer» D. 1.36/(1+1/‚âà√≠‚Äö√¢¬ß)‚âà√≠¬¨¬©
4588.

In which of the following a limit step is present?

A. Plain plug gauge
B. Tanged plug gauge
C. Plain ring gauge
D. Tanged ring gauge
Answer» E.
4589.

The term 2*ω is called as _____________$

A. Velocity
B. Divergence
C. Angular velocity
D. Vorticity
Answer» E.
4590.

Temporary IUPAC systematic symbol for the synthetic element 117 is:

A. Uuh
B. Uns
C. Uus
D. Une
Answer» D. Une
4591.

Identify the CSS property that specifies the length of the space used for the tab character.

A. size
B. tab-size
C. tab-space
D. all of the mentioned
Answer» C. tab-space
4592.

What is the bit rate for high-definition TV (HDTV)?

A. 1.4 Gbps
B. 2 Gbps
C. 1.5 Gbps
D. 1.8 Gbps
Answer» D. 1.8 Gbps
4593.

By using a freewheeling diode (FD) in a rectifier with RL load, the power consumed by the load

A. increases
B. decreases
C. is not affected
D. decreases to zero
Answer» B. decreases
4594.

Which of the following is not the type of left hand type cutting tool?

A. roughing tool
B. facing tool
C. finishing tool
D. none of the mentioned
Answer» E.
4595.

Vibrant ecosystem of third parties would be critical for achieving broad adoption of an eclipse.

A. True
B. False
Answer» B. False
4596.

What is the forces exerted by the rolls?

A. 100 to 500 N/cm
B. 8700 to 70,000 N/cm
C. 500 to 1000 N/m
D. 7 to 300 N/cm
Answer» C. 500 to 1000 N/m
4597.

Identify the true statement regarding catalyst

A. Always decreases the rate of the reaction
B. Always increases the activation energy of the reaction
C. Actually participates in the reaction
D. Changes the equilibrium concentration of the product
Answer» D. Changes the equilibrium concentration of the product
4598.

The inverse transformation from s back to r is denoted as:

A. s=T<sup>-1</sup>(r) for 0‚â§s‚â§1
B. r=T<sup>-1</sup>(s) for 0‚â§r‚â§1
C. r=T<sup>-1</sup>(s) for 0‚â§s‚â§1
D. r=T<sup>-1</sup>(s) for 0≥s≥1
Answer» D. r=T<sup>-1</sup>(s) for 0‚Äö√Ñ√∂‚àö¬¢‚Äö√Ѭ¢s‚Äö√Ñ√∂‚àö¬¢‚Äö√Ѭ¢1
4599.

Procedures are also known as

A. macros
B. segment
C. subroutines
D. none
Answer» D. none
4600.

Which of the following is a correct relation?

A. K<sub>a</sub> [L] = <sup> [PL]</sup> ‚ÅÑ <sub>[P]</sub>
B. K<sub>a</sub> [L] = <sup>[P]</sup> ‚ÅÑ <sub>[PL]</sub>
C. K<sub>a</sub> [L] = [PL] √ó [P].
D. K<sub>a</sub> [PL] = <sup>[L]</sup> ‚ÅÑ <sub>[P]</sub>
Answer» B. K<sub>a</sub> [L] = <sup>[P]</sup> ‚Äö√Ñ√∂‚àö√ñ‚àö√´ <sub>[PL]</sub>