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.

Which of the following is correct?Statement 1: ε represents a single string in the set.Statement 2: Ф represents the language that consist of no string.

A. Statement 1 and 2 both are correct
B. Statement 1 is false but 2 is correct
C. Statement 1 and 2 both are false
D. There is no difference between both the statements, ε and Ф are different notation for same reason
Answer» B. Statement 1 is false but 2 is correct
2.

Steel plates are rarely used for:

A. Connecting steel beams for extension
B. Serving as tension members in the truss
C. Forming built up sections of steel
D. Providing support in R.C.C structures
Answer» E.
3.

Which of the below is not a disadvantage of using ribbed-torsteel bars?

A. High labour charge
B. Not easily identifiable
C. Weaker than plain round steel
D. Arc welding is not possible
Answer» B. Not easily identifiable
4.

Flat iron bars are used generally for:

A. R.C.C
B. Grill work
C. Roofing
D. Truss
Answer» C. Roofing
5.

The carbon content of steel is:

A. Less than 0.15%
B. 2% – 4%
C. 0.08%
D. 0.002% – 2.1%
Answer» E.
6.

What is the unit of specific speed in metric system?

A. m.s
B. m/s
C. m3/s
D. m
Answer» D. m
7.

Centrifugal pump impellers have speed ranging from ________

A. 500- 10000
B. 50- 100
C. 200-300
D. 0-50
Answer» B. 50- 100
8.

Ratio of pump or turbine with reference pump or turbine is called as _________

A. Efficiency
B. Performance
C. Heat generated
D. Relative velocity
Answer» C. Heat generated
9.

Specific speeds are used in pumps to determine ________

A. Temperature
B. Reaction speed
C. Suction specific speed
D. Wheel speed
Answer» D. Wheel speed
10.

Specific speed is denoted by ________

A. N
B. n
C. Ns
D. S
Answer» D. S
11.

_________ tests whether a given Map has a given entry.

A. hasItem
B. hasItems
C. hasValue
D. hasEntry
Answer» E.
12.

__________________ tests whether a given string equals another one, ignoring the case.

A. stringEqual
B. equalToIgnoringCase
C. ignoringCaseEqual
D. equalToCase
Answer» C. ignoringCaseEqual
13.

A/An __________ property is an array instead of a single value.

A. Indexed
B. valued
C. null
D. variable
Answer» B. valued
14.

The JUnit hasItem() function is a _____________

A. Hamcrest Matcher
B. Instance Function
C. JUnitMatcher
D. Matcher
Answer» D. Matcher
15.

Which among the following provide solutions as a string of numbers?

A. Genetic algorithm
B. Genetic programming
C. Evolutionary programming
D. Gene expression programming
Answer» B. Genetic programming
16.

Which among the following is used for quality determination in evolutionary algorithm?

A. Subjective function
B. Fitness function
C. Loss function
D. Utility function
Answer» C. Loss function
17.

Case based reasoning is a cyclic process.

A. True
B. False
Answer» B. False
18.

What is the process of identifying a parameter value from a training set that could result in the minimisation of error called?

A. K-nearest neighbours algorithm
B. Leave one out cross validation algorithm
C. Bayesian algorithm
D. Markov theorem
Answer» C. Bayesian algorithm
19.

Which among the following is an algorithm useful for case based reasoning?

A. Viterbi algorithm
B. K- nearest neighbours algorithm
C. Forward algorithm
D. Backward algorithm
Answer» C. Forward algorithm
20.

Which among the following uses past solutions to solve current problems?

A. Artificial neural networks
B. Fuzzy logic
C. Knowledge based systems
D. Case based reasoning
Answer» E.
21.

What is the term used to refer to variables that take non-numerical as input?

A. String variables
B. Character variables
C. Linguistic variables
D. Morphological variables
Answer» D. Morphological variables
22.

Which among the following is the correct sequence of events that occur in application of fuzzy logic?

A. Fuzzify the input, execute the applicable rules, and de-fuzzify the output
B. Execute the applicable rules, fuzzify the input, and de-fuzzify the output
C. Fuzzify the input, de-fuzzify the output, and execute the applicable rules
D. Execute the applicable rules, fuzzify the input, and fuzzify the output
Answer» B. Execute the applicable rules, fuzzify the input, and de-fuzzify the output
23.

Which among the following is a false statement about Fuzzy logic?

A. Fuzzy logic may use imprecise information
B. Fuzzy logic uses only accurate information
C. Fuzzy logic may represent vague information
D. Fuzzy logic may use non-numerical information
Answer» C. Fuzzy logic may represent vague information
24.

Which among the following gives the definition of fuzzy logic?

A. Fuzzy logic follows Boolean logic where zero stands for true and one stands for false
B. Fuzzy logic follows Boolean logic where zero stands for false and one stands for true
C. Fuzzy logic allows the assignment of any real number from zero to one to variables
D. Fuzzy logic allows the assignment of any whole number from zero to one to variables
Answer» D. Fuzzy logic allows the assignment of any whole number from zero to one to variables
25.

Where is the copolymer equation of binary copolymerization not applicable?

A. free radical systems
B. cationic systems
C. anionic systems
D. none of the mentioned
Answer» E.
26.

How is the monomer units arranged generally, in the copolymer structure of any vinyl copolymer?

A. sequentially
B. alternatively
C. randomly
D. all of the mentioned
Answer» D. all of the mentioned
27.

The values of reactivity ratios, r1 and r2 are independent of the change in the mechanism of chain propagation, form radical to ionic mechanism. State true or false.

A. True
B. False
Answer» C.
28.

Which of the following has more priority, in binary copolymerization involving monomers M1 and M2, if the reactivity ratio r1 is greater than 1?

A. chain radical ∙M1 to add monomer M1
B. chain radical ∙M1 to add monomer M2
C. chain radical ∙M2 to add monomer M1
D. chain radical ∙M2 to add monomer M2
Answer» B. chain radical ∙M1 to add monomer M2
29.

Consider the copolymer equation of binary copolymerization between monomers M1 and M2 {[M1]/[M2]}copolymer = {[M1/[M2]}(r1[M1]+[M2])/(r2[M2]+[M1])What does the term [M1] on the right hand signify here?

A. absolute molar concentration of monomer M1
B. molar concentration of monomer M1 in feed
C. molar concentration of monomer M1 in copolymer
D. none of the mentioned
Answer» C. molar concentration of monomer M1 in copolymer
30.

Which of the following mechanism can produce a copolymer?

A. step-growth mechanism
B. free radical mechanism
C. cationic mechanism
D. all of the mentioned
Answer» E.
31.

The sensitivity of the fracture of the brittle solid to surface condition has been termed as the ____________

A. Bauschinger effect
B. Doppler effect
C. Joffe effect
D. Polarity effect
Answer» D. Polarity effect
32.

Griffith’s theory for a thick plate predicts the fracture as_________

A. \(σ=(\frac{2Eϒ}{(1-v)πc)})^{1/2}\)
B. \(σ=(\frac{2Eϒ}{πc})^{1/2}\)
C. })^{1/2}\) b) \(σ=(\frac{2Eϒ}{πc})^{1/2}\) c) \(σ=(\frac{2Eϒ}{πc})^{1/2}\)
D. \(σ=(\frac{2Eϒ(1-v)}{πc})^{1/2}\)
Answer» B. \(σ=(\frac{2Eϒ}{πc})^{1/2}\)
33.

If the crack length inside the material is increased by 4 times. The fracture strength will ___________

A. decrease by 4 times
B. decrease by 2 times
C. increase by 4 times
D. increase by 2 times
Answer» C. increase by 4 times
34.

The statement of Griffith theory of brittle fracture says that “A crack will propagate when the decrease in elastic strain energy is at least equal to the energy required to create the new surface”.

A. True
B. false
Answer» B. false
35.

The fracture on the sharpest crack tip will be equal to \((\frac{Eϒ_s}{4c})^{1/2}\) .

A. True
B. False
Answer» B. False
36.

The maximum stress on the tip of the crack of length 2c and radius of curvature of the tip ρt is given as ____

A. σmax=\(σ[1+2(\frac{c}{ρt})^{1/2}]\)
B. σmax=\(σ[1+(\frac{c}{ρt})^{1/2}]\)
C. σmax=\(σ[2(\frac{c}{ρt})^{1/2}]\)
D. σmax=\(σ[(\frac{c}{ρt})^{1/2}]\)
Answer» B. σmax=\(σ[1+(\frac{c}{ρt})^{1/2}]\)
37.

Determine the cohesive strength of glass fibre, if E = 90 GPa, Surface energy = 1.2 Jm-1/2 and a0=0.18 nm?

A. 29.5 GPa
B. 10 GPa
C. 24.5 GPa
D. 150 MPa
Answer» D. 150 MPa
38.

The theoretical cohesive strength of brittle material is approximately equal to ________

A. E
B. E/2
C. E/π
D. E/2π
Answer» D. E/2π
39.

In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. The method will

A. cause withdrawing or throttling of steam
B. reduce length of effective stroke of piston
C. reduce maximum opening opening of port to steam
D. all of the mentioned
Answer» C. reduce maximum opening opening of port to steam
40.

The throw of the eccentric is equal of the valve travel.

A. True
B. False
Answer» C.
41.

The distance moved by the valve from one end to the other end is called valve travel.

A. True
B. False
Answer» B. False
42.

In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called

A. lead
B. steam lap
C. exhaust lap
D. none of the mentioned
Answer» C. exhaust lap
43.

Calculate the magnetic flux density if the magnetic field strength is 3A/m.

A. 4*pi*10-7T
B. 8*pi*10-7T
C. 10*pi*10-7T
D. 12*pi*10-7T
Answer» E.
44.

Calculate the magnetic field strength if the magnetic flux density is 4*piT.

A. 10-7/16*pi2A/m
B. 10-7A/m
C. 107A/m
D. 10-7A
Answer» D. 10-7A
45.

Calculate the magnetic flux density if the magnetic field strength is 2A/m.

A. 4*pi*10-7T
B. 8*pi*10-7T
C. 10*pi*10-7T
D. 12*pi*10-7T
Answer» C. 10*pi*10-7T
46.

Which among the following, is a correct expression for µ0.

A. µ0=BH
B. µ0=B/H
C. µ0=H/B
D. µ0=BH2
Answer» C. µ0=H/B
47.

A substance whose permeability is more than the permeability of free space is?

A. Diamagnetic
B. Paramagnetic
C. Ferromagnetic
D. Both paramagnetic and ferromagnetic
Answer» E.
48.

Which, among the following, have positive susceptibility?

A. Diamagnetic
B. Paramagnetic
C. Ferromagnetic
D. Both paramagnetic and ferromagnetic
Answer» E.
49.

Permeability of free space is also known as _________

A. Magnetic constant
B. Electric constant
C. Electrostatic constant
D. Magnetostatic constant
Answer» B. Electric constant
50.

What kind of images can the Nokia 5110 GDM display?

A. Colored Image
B. Grayscale Image
C. Binary Image
D. Inverted Image
Answer» D. Inverted Image