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.

Corrosion of zinc can be minimized by increasing the pH to

A. 9
B. 10
C. 11
D. 12
Answer» D. 12
2.

At what pH is phosphate precipitated out?

A. 8
B. 6
C. 9
D. 10
Answer» E.
3.

PHK stands for

A. Pre Heavy key
B. Pseudo Heavy key
C. Primary Heavy key
D. Pressure Heavy key
Answer» C. Primary Heavy key
4.

Which material is not used for making non-consumable electrodes?

A. Carbon
B. Graphite
C. Sodium
D. Tungsten
Answer» D. Tungsten
5.

How far does the memory of the given system y[n]=1/2{x[n]+ x[n-1]} extend into past?

A. Two time units
B. One time unit
C. Three time units
D. Not predictable
Answer» C. Three time units
6.

If the source ZS is complex, then the condition for the maximum power to be transferred is?

A. Z<sub>L</sub>=Z<sub>S</sub>
B. Z<sub>L</sub>=Z<sub>S</sub>*
C. Z<sub>L</sub>=-Z<sub>S</sub>
D. Z<sub>L</sub>=-Z<sub>S</sub>*
Answer» C. Z<sub>L</sub>=-Z<sub>S</sub>
7.

Diagonal grain is a defect formed due to improper:

A. Sawing
B. Felling
C. Seasoning
D. Handling
Answer» B. Felling
8.

______________ is used as an abrasive in the shot blasting method.

A. Zircon
B. Coal tar
C. Chilled iron grit
D. Molasses
Answer» D. Molasses
9.

If the output voltage is not a linear function of input voltage then ____________

A. Op-amp acts a linear device
B. Op-amp acts as a non-linear device
C. Op-amp acts a polar device
D. Op-amp acts as an inverter
Answer» C. Op-amp acts a polar device
10.

What are the characteristics that are taken together in chromaticity?

A. Saturation and Brightness
B. Hue and Saturation
C. Hue and Brightness
D. Saturation, Hue and Brightness
Answer» C. Hue and Brightness
11.

Mica manufactured by internal resistance melting method is melted at ______

A. 1118<sup>o</sup>C
B. 1208<sup>o</sup>C
C. 1365<sup>o</sup>C
D. 1480<sup>o</sup>C
Answer» D. 1480<sup>o</sup>C
12.

“Find all students who have taken all courses offered in the Biology department.” The expressions that matches this sentence is :$

A. Э t ε r (Q(t))
B. ∀ t ε r (Q(t))
C. ¬ t ε r (Q(t))
D. ~ t ε r (Q(t))
Answer» C. ¬¨¬®¬¨¬Æ t ‚âà√≠¬¨¬µ r (Q(t))
13.

As the temperature to the P-N junction increases the current increases due to?

A. Leakage in bias region
B. Electron-hole pair
C. Leakage in P region
D. Leakage in N region
Answer» C. Leakage in P region
14.

The lower pairs are ___________ pairs.

A. self-closed pair
B. force-closed pair
C. screw pair
D. none of the mentioned
Answer» B. force-closed pair
15.

Cu Kα radiation of wavelength 1.5418 A˚, is generated by which of the following transition?$

A. 1s‚Üí2p
B. 3s‚Üí1s
C. 2s‚Üí4s
D. 2p‚Üí1s
Answer» E.
16.

Which of the following is called as UHF connector?

A. PL-259
B. N-type connector
C. SMA
D. BNC
Answer» B. N-type connector
17.

A 3-phase slip ring IM is has its copper bars replaced by the aluminium bars in the machine. With the above change,

A. starting torque increases, maximum torque remains same, smT increase
B. starting torque increases, maximum torque remains same, smT remains same
C. starting torque increases, maximum torque remains increases, smT increase
D. starting torque decreases, maximum torque remains same, smT decrease
Answer» B. starting torque increases, maximum torque remains same, smT remains same
18.

The corrosion of reinforcement due to extreme exposure is common for structure located in:

A. Dry conditions
B. Costal zones
C. Regional zones
D. Hot condition
Answer» C. Regional zones
19.

When an EEG is taken from the Occipital Region of the brain, what signal will cause the maximum amount of noise?

A. EOG
B. EMG
C. ECG
D. EEG from other parts of the brain
Answer» B. EMG
20.

The data acquisition system can have any speed.

A. True
B. False
Answer» C.
21.

Definite results proving DNA to be genetic material was given by __________

A. Fredrick Griffith
B. Hershey and Chase
C. Avery, Macleod and MacCarty
D. Meselson and Stahl
Answer» D. Meselson and Stahl
22.

Who was the first person to develop DNA finger printing?

A. David Suzuki
B. Khorana
C. Alec Jaffreys
D. Gilbert
Answer» D. Gilbert
23.

What is the outcome of using R along with minification?

A. Sheer file size reduction
B. File size increase
C. More efficient
D. None of the mentioned
Answer» B. File size increase
24.

Human’s respiratory system doesn’t many mechanisms that help to protect them from air pollution.$

A. True
B. False
Answer» C.
25.

Which of the following pair lead to the formation of polyvinyl acetals?

A. Polyvinyl alcohol + aldehydes
B. Polyvinyl alcohol + esters
C. Polyvinyl chloride + aldehydes
D. Polyvinyl acetate + ester
Answer» B. Polyvinyl alcohol + esters
26.

What happens when the starter takes up metallic resistance?

A. voltage fluctuates from high to low
B. voltage fluctuates between fixed upper and lower limits
C. current fluctuates from high to low
D. current fluctuates between fixed upper and lower limits
Answer» E.
27.

Which software engineering team has no permanent leader?

A. Controlled decentralized (CD)
B. Democratic decentralized (DD)
C. Controlled Centralized (CC)
D. None of the mentioned
Answer» C. Controlled Centralized (CC)
28.

Metal can IC packages are available in

A. 42 leads
B. 16 leads
C. 12 leads
D. 24 leads
Answer» D. 24 leads
29.

In Inward radial flow reaction turbine the ratio of tangential velocity at inlet to the given velocity ____________

A. Speed ratio
B. Flow ratio
C. Discharge
D. Radial discharge
Answer» B. Flow ratio
30.

The indicator of presence/absence of a word in search is used in the mode ______________

A. Natural language
B. Boolean mode
C. Query expansion
D. Cross mode
Answer» C. Query expansion
31.

The number of views to be drawn depends upon the _______ of the object.

A. Size
B. Shape
C. Measure
D. Dimension
Answer» C. Measure
32.

In modern type, all tap-changers are made of _____________

A. resistor type
B. reactor type
C. can be either resistor or reactor type
D. can’t say
Answer» B. reactor type
33.

The continuous mat of fibers which has already formed the final paper is called as the _________

A. Matte
B. Web
C. Corona
D. Oasis
Answer» C. Corona
34.

The number of cycles for a trial period of 45 sec is

A. 20
B. 22
C. 25
D. 30
Answer» B. 22
35.

Who invented the superheterodyne receivers?

A. Hertz
B. Armstrong
C. Foster
D. Seeley
Answer» C. Foster
36.

If C is the concentration of the diffusing species at distance x from the source and time t, then according to Fick’s second law (assuming diffusion coefficient, D is constant):$

A. ∂C/∂x = D.(∂C/∂t)
B. ∂C/∂t = D.(∂<sup>2</sup>C/∂x<sup>2</sup>)
C. ∂C/∂x = D.(∂<sup>2</sup>C/∂t<sup>2</sup>)
D. ∂C/∂t = D.(∂C/∂x)
Answer» C. ‚Äö√Ñ√∂‚àö‚Ć‚àö√°C/‚Äö√Ñ√∂‚àö‚Ć‚àö√°x = D.(‚Äö√Ñ√∂‚àö‚Ć‚àö√°<sup>2</sup>C/‚Äö√Ñ√∂‚àö‚Ć‚àö√°t<sup>2</sup>)
37.

Which of the following equipment is not used in standard compactor test?

A. Cylindrical metal mould
B. Rammer
C. Circular face plate
D. Collar
Answer» D. Collar
38.

The compressive strength of no fines concrete varies between __________

A. 0-5 MPa
B. 4-14 MPa
C. 25 MPa
D. >15 MPa
Answer» C. 25 MPa
39.

Sometimes, it is also possible that two sequences have derived from a common ancestor, but may have diverged to such an extent that the common ancestral relationships are not recognizable at the sequence level.

A. True
B. False
Answer» B. False
40.

The respiratory system is made up of trachea, the lungs and the _________

A. Diaphragm
B. Pancreas
C. Esophagus
D. Liver
Answer» B. Pancreas
41.

A square is placed perpendicular to vertical plane and inclined to horizontal plane which of the following is true. H.T is horizontal trace and V.T is vertical trace?

A. H.T- inclined to xy, V.T- perpendicular to xy
B. H.T- inclined to xy, V.T- perpendicular to xy
C. H.T- perpendicular to xy, V.T- inclined to xy
D. H.T- parallel to xy, V.T- perpendicular to xy
Answer» C. H.T- perpendicular to xy, V.T- inclined to xy
42.

(1-e-λa) is the cumulative ______ distribution.$

A. Gamma
B. Normal
C. Lognormal
D. Exponential
Answer» E.
43.

Different xml modes available for xml clauses are :

A. RAW
B. AUTO
C. PATH
D. All of the mentioned
Answer» E.
44.

When the _____________ method is passed an animated image as its image argument, the user agent must use the poster frame of the animation, or, if there is no poster frame, the first frame of the animation.

A. measureText()
B. imageData()
C. drawImage()
D. setImage()
Answer» D. setImage()
45.

The reformer developed by Esso was named as Hydro-former, true of false?

A. True
B. False
Answer» B. False
46.

A perfect gas is contained in a cylinder kept in vacuum. If the cylinder suddenly bursts, then the temperature of the gas

A. Becomes zero K
B. Is decreased
C. In increased
D. Remains unchanged
Answer» E.
47.

Can we perform infinite series summation in MATLAB?

A. Yes
B. No
C. Cannot be determined
D. Sometimes
Answer» B. No
48.

Designated point on a road where road marking or other means helps pedestrians cross safely is called?

A. Zebra crossing
B. Pedestrian crossing
C. Footpath
D. Subway
Answer» C. Footpath
49.

Which of the following processor has a fixed length of instructions?

A. CISC
B. RISC
C. EPIC
D. Multi-core
Answer» C. EPIC
50.

Each device has a globally unique identifier known as _________

A. id
B. deviceId
C. accountid
D. device
Answer» D. device