Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

The number of substitution products formed when metabromo anisole is treated with KNH2/NH3?

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
2.

What is not true about below reaction? .

A. Major product is given by SN1 reaction
B. Through E1 mechanism 3 alkenes are formed
C. 3-Methylpentane-3-ol is also formed as one of the product
D. Fractional distillation of elimination product will give two fractions
Answer» E.
3.

In the following reaction sequence, what will be X? .

A. Benzoic acid
B. Salicylic acid
C. Phenol
D. Aniline
Answer» E.
4.

Why are aryl halides less reactive towards nucleophilic substitution reactions as compared to alkyl halides?

A. The formation of a less stable carbanion
B. Longer carbon halogen bond
C. The inductive effect
D. Sp2-hybridized carbon attached to the halogen
Answer» E.
5.

Which of the following field allows efficient retrieval of chunks?

A. n
B. name
C. object
D. 2n
Answer» B. name
6.

The files_id field contains the _id of the chunk’s __________ document.

A. parent
B. child
C. top
D. none of the mentioned
Answer» B. child
7.

Which of the following checks and repairs errors and inconsistencies in data storage?

A. repairDatabase
B. repairedDatabase
C. recoverDatabase
D. all of the mentioned
Answer» B. repairedDatabase
8.

___________ is the _id is of the data type chosen for the original document in files collections.

A. files._id
B. file._id
C. fileobj._id
D. none of the mentioned
Answer» B. file._id
9.

Which of the collection in GridFS stores the binary chunks?

A. chunks
B. files
C. data
D. log
Answer» B. files
10.

The default chunk size is changed from 256k to 255k in which version?

A. 3
B. 2.4.9
C. 2.4.10
D. None of the mentioned
Answer» C. 2.4.10
11.

How many does collections GridFS use to store files?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
12.

_______________ is a specification for storing and retrieving files that exceed the BSON-document size limit of 16MB.

A. DataFS
B. GridFS
C. ReadFS
D. None of the mentioned
Answer» C. ReadFS
13.

Given for an absorber, the minimum non diffusing liquid flow rate is 20 moles/hr and the non diffusing gas flow rate is 30 moles/hr. As the actual liquid flow rate is 2.5 times the minimum. Find the slope of the operating line.

A. 1.67
B. 3.75
C. 2.67
D. 4.25
Answer» B. 3.75
14.

For the Absorber design, the plotting with mole ratio helps to find the

A. Slope of operating line
B. Slope of equilibrium curve
C. Minimum number of trays
D. Maximum number of trays
Answer» B. Slope of equilibrium curve
15.

If the operating line touches the equilibrium line, the separation is possible in an absorber.

A. True
B. False
Answer» C.
16.

Have a look on the below diagram Here, DE and DP are the operating line. Also Y and X are the concentrations in mole ratio for gas and liquid phase.It’s clearly a representation of an absorber. For the operating line DE minimum liquid is required

A. True
B. False
Answer» C.
17.

Find the slope of the operating lineHere, the concentrations are represented in mole ratio. The value of (Y1-Y2)/(X1-X2) =2. Find the slope of the operating line.

A. 1
B. 2
C. 3
D. Infinity
Answer» C. 3
18.

Find the representationWhere, Y- gas phase concentration in mole ratio X-liquid phase concentration in mole ratio

A. Stripper
B. Absorber
C. Condenser
D. Semi-Stripper
Answer» B. Absorber
19.

Stripper= (1/X)Find X?

A. Condenser
B. Reboiler
C. Absorber
D. Sprayer
Answer» D. Sprayer
20.

Spray tower is a _______ process.

A. Co-current
B. Counter current
C. Continuous
D. Batch
Answer» C. Continuous
21.

In which lubrication system oil is fed under high pressure?

A. Splash system
B. Pressure feed system
C. Lift system
D. Feed system
Answer» C. Lift system
22.

What is the Height of connecting rod at the big end when H=125mm?

A. 135 to 180.25mm
B. 124.56 to 160mm
C. 135.5 to 156.25mm
D. 110.89 to 111.90mm
Answer» D. 110.89 to 111.90mm
23.

What is the Height of connecting rod at the small end when H=125mm?

A. 50.85 to 90.60mm
B. 100.5 to 130.89mm
C. 105 to 122.6mm
D. 93.75 to 112.5mm
Answer» E.
24.

What is the height of the connecting rod at the middle section when t=25mm?

A. 125mm
B. 225mm
C. 95mm
D. 150mm
Answer» B. 225mm
25.

In the formula Pcr=\(\frac{\sigma_c A}{1+a(\frac{L}{K_{xx}})}\) what is Kxx?

A. Radius of cylinder
B. Constant
C. Radius of gyration
D. The radius of the big end
Answer» D. The radius of the big end
26.

Which of the mentioned below is the Rankine’s formula?

A. Pcr=\(\frac{A}{1+a(\frac{L}{K_{xx}})}\)
B. Pcr=\(\frac{\sigma_cA}{1+a(\frac{L}{K_{xx}})}\)
C. Pcr=\(\frac{A^2}{1+a(\frac{L}{K_{xx}})}\)
D. Pcr=\(\frac{\sigma_cA^2}{1+a(\frac{L}{K_{xx}})}\)
Answer» C. Pcr=\(\frac{A^2}{1+a(\frac{L}{K_{xx}})}\)
27.

Find the radius of gyration when the thickness of the web is 15mm?

A. 26.7mm
B. 17.6mm
C. 19.7mm
D. 28.6mm
Answer» B. 17.6mm
28.

Find the cross-sectional area of the connecting rod when the thickness of the web is 15mm?

A. 2651mm2
B. 1265mm2
C. 2475mm2
D. 2561mm2
Answer» D. 2561mm2
29.

Find the force acting on the piston when the force acting on connecting rod is 40N and the angle of inclination is 20°?

A. 35N
B. 30KN
C. 37.5N
D. 40KN
Answer» D. 40KN
30.

In the formula P=Pccos∅, what is Pc?

A. The pressure acting on the camshaft
B. Force acting on the camshaft
C. The pressure acting on connecting rod
D. Force acting on connecting rod
Answer» E.
31.

In a nine node quadrilateral, the shape functions can be defined as _______

A. Shape functions
B. Generic shape functions
C. Elements
D. Planes
Answer» C. Elements
32.

The gauss points for a triangular region differ from the _____ region.

A. Rectangular
B. Triangular
C. Square
D. Temperature
Answer» D. Temperature
33.

The nodal temperature load can be evaluated by using _____

A. Uniform energy
B. Strain energy
C. Numerical integration
D. Displacement
Answer» D. Displacement
34.

The mid node should not be outside of the triangular element this condition should ensures that det J does not attain a value ____

A. Constant
B. Zero
C. Unity
D. Infinite
Answer» C. Unity
35.

In six node triangular element, the gauss points of a triangular element can be defined by ____

A. Two point rule
B. Three point rule
C. One point rule
D. Undefined
Answer» D. Undefined
36.

Six node triangular elements is also known as _____

A. Triangle
B. Quadratic triangle
C. Interpolation
D. Shape function
Answer» C. Interpolation
37.

N1, is of the form ____

A. Co-ordinates
B. N1=c(1-ξ)(1-η)(1+ξ+η)
C. N1=(1-ξ)(1-η)
D. N1=(1-ξ)
Answer» C. N1=(1-ξ)(1-η)
38.

Eight-Node Quadrilateral. This element belongs to the ________ family of elements.

A. Serendipity
B. Constant matrix
C. Load vector
D. Master element
Answer» B. Constant matrix
39.

A _________ element by using nine-node shape function.

A. Load vector
B. Sub parametric
C. Element displacement vector
D. Constant matrix
Answer» C. Element displacement vector
40.

In the four-node quadrilateral element, the shape functions contained terms _________

A. ξ
B. σ
C.
D. Undefined
Answer» B. σ
41.

Boron trifluoride, is a highly polar molecule.

A. True
B. False
Answer» B. False
42.

The bifunctionality exhibited which type of bond?

A. Double bond
B. Triple bond
C. Both double and triple bond
D. None of the mentioned
Answer» D. None of the mentioned
43.

What is meant by ‘Polyfunctonality’?

A. Formation of polymer
B. Dissociation of polymer
C. Reaction
D. None of the mentioned
Answer» B. Dissociation of polymer
44.

Why does polymers do not have a sharp melting point?

A. Identical molecular weight
B. No sharp melting crystals
C. All of the mentioned
D. None of the mentioned
Answer» D. None of the mentioned
45.

A data object can encapsulates processes and operation as well.

A. True
B. False
Answer» C.
46.

Which level of Entity Relationship Diagram (ERD) models all entities and relationships ?

A. Level 1
B. Level 2
C. Level 3
D. Level 4
Answer» C. Level 3
47.

Which of the following diagram is not supported by UML considering Data-driven modeling ?

A. Activity
B. Data Flow Diagram (DFD)
C. State Chart
D. Component
Answer» C. State Chart
48.

For circuit shown below Vin = 3V, R1 = 6K, R2 = 2K. The voltage V will be ________ (Use constant voltage drop model assumption and take VD = 0.5V)

A. 2V
B. 3V
C. 3.5V
D. 2.5V
Answer» E.
49.

In the circuit shown in below I = 2mA, VB = 2V and R = 2K. The voltage V will be ________ (Use constant voltage drop model assumption and take VD = 0.5V)

A. 0V
B. 2.5V
C. 6V
D. 3.5V
Answer» C. 6V
50.

In the circuit below Vin = 4V, R = 2K and VB = 2V. In these conditions the voltage across diode V is _________ (Use constant voltage drop model assumption and take VD = 0.5V)

A. 2.5
B. 4.5
C. 0.5
D. 1.5
Answer» D. 1.5