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.

What is the function of antiporters?

A. Transfer of the second solute in the same direction
B. Transfer of the second solute in the opposite direction
C. Transfer of single solute
D. Transfer of solute through pores
Answer» C. Transfer of single solute
2.

__________________ are used to collect the valuable chemical or mineral dusts.

A. Dry filters
B. Viscous filters
C. Water filters
D. Electric precipitator
Answer» E.
3.

What is the monomer composition of IIR polymer or Butyl Rubber?

A. isobutylene
B. isoprene
C. isoprene and isobutylene
D. isoprene, isobutylene and chloroprene
Answer» D. isoprene, isobutylene and chloroprene
4.

The IoT operates at ___________ scale.

A. Machine
B. Human
C. Device
D. Sensor
Answer» B. Human
5.

What is the alias produced when a signal of 15 MHz is sampled at a rate of 28 MHz?

A. 10MHz
B. 11MHz
C. 12MHz
D. 13MHz
Answer» E.
6.

Blood analysis of a patient reveals an unusually high quantity of carboxyhemoglobin content. Which of the following conclusion is most likely to be correct? The patient has inhaled polluted air containing high amount of __________

A. Carbon dioxide
B. Chloroform
C. Carbon monoxide
D. Carbon disulphide
Answer» D. Carbon disulphide
7.

What property does air-entraining cement provide?

A. Workability
B. Soundness
C. Fineness
D. Strength
Answer» B. Soundness
8.

Which type of electrode is designed for melting quickly?

A. Fast fill
B. Fast freeze
C. Quick fill
D. Fill freeze
Answer» B. Fast freeze
9.

The step function u (t) is integral of _______ with respect to time t.

A. Ramp function
B. Impulse function
C. Sinusoidal function
D. Exponential function
Answer» C. Sinusoidal function
10.

Which of the following organism have been found to have a positively supercoiled DNA?

A. Saurida tumbil
B. Monarda didyma
C. Thermus aquaticus
D. Cyanobacteria
Answer» D. Cyanobacteria
11.

Most industrially accepted insulators used in HVDC is/are ___________

A. high resistance toughened glass type
B. porcelein type
C. silicon rubber composite type
D. all of the mentioned
Answer» B. porcelein type
12.

Carbon content by weight in air dried wood may be about _____________ %.

A. 25
B. 50
C. 10
D. 80
Answer» C. 10
13.

How is dengue detected in blood?

A. Low level of RBCs
B. Low level of WBCs
C. Low level of Platelets
D. Low level of fibrin
Answer» D. Low level of fibrin
14.

Which of the following is the normal sampling rate used in nitrogen meters?

A. 13 ml/min
B. 33 ml/min
C. 3 ml/min
D. 43 ml/min
Answer» D. 43 ml/min
15.

While entering text in input mode the data is saved in _____

A. buffer
B. disk
C. RAM
D. cache
Answer» B. disk
16.

A lubricating oil need not be stable physically at the lowest and highest temperatures between which the oil is to be used.

A. True
B. False
Answer» C.
17.

For every mismatched base pair, a further 5‚Äö√Ö‚àûC reduction is necessary.$

A. True
B. False
Answer» B. False
18.

Find the heat transfer rate from a hot surface for 6 fins of 10 cm length? The base temperature of the fin is maintained at 200 degree Celsius and the film is exposed to a convection environment at 15 degree Celsius with convective coefficient 25W/square m K. Each fin has cross-sectional area 2.5 square centimeter and is made of a material having thermal conductivity 250W/m K

A. 120.34W
B. 130.18W
C. 145.46W
D. 165.43W
Answer» C. 145.46W
19.

Generally Core frame insulation test is done at _________

A. 10 kV DC
B. 10 kV AC
C. 2KV RMS
D. 2KV DC
Answer» D. 2KV DC
20.

Rapid evaporation may cause plastic shrinkage __________

A. Elastic shrinkage
B. Plastic shrinkage
C. High workability
D. Good strength
Answer» C. High workability
21.

The length of line placed in profile plane and making an angle of 30 degrees with the vertical is 5 cm from front view. What is the actual length?

A. 5 cm
B. 8.66 cm
C. 10 cm
D. 5.77 cm
Answer» E.
22.

An error in binary decision making occurs when the channel noise is

A. Greater than the optimum threshold level
B. Lesser than the optimum threshold level
C. Greater or Lesser than the optimum threshold level
D. None of the mentioned
Answer» D. None of the mentioned
23.

Which of the following is a natural candidates for stream ciphers?

A. OFB
B. CFB
C. CBC
D. ECB
Answer» B. CFB
24.

The mechanical widening of a curve is 1.5m, the curve is having a radius of 120m and design speed as 80kmph find the total widening on the curve

A. 2.20m
B. 2.26m
C. 2.25m
D. 2.24m
Answer» C. 2.25m
25.

Besides breaking ground loops, isolation blocks high voltage surges and rejects high common mode voltages.

A. True
B. False
Answer» B. False
26.

As per USEPA, waste is considered hazardous if it is ____

A. Poses threat to human and environment
B. Specific source
C. Liquid
D. Infectious
Answer» C. Liquid
27.

Which of these is a cylinder head type of an ic engine

A. X head
B. U head
C. F head
D. C head
Answer» D. C head
28.

___________ can then be used to dissolve the tape and leave the paper (to some degree) intact.

A. Propyl ethylene
B. toluene
C. benzene
D. chloroform
Answer» C. benzene
29.

______ is a means of mechanical deformation used on cylindrical rods.

A. Swaging
B. Swishing
C. Hammering
D. Bending
Answer» B. Swishing
30.

Soil is the complex medium.

A. True
B. False
Answer» B. False
31.

A differential screw is defined as a mechanical device consisting of two screws connected in parallel.

A. True
B. False
Answer» C.
32.

According to Ciborowski, after performing experiments on naphthalene, when there is decrease in efficiency of condensation?

A. Increase in gas velocity
B. Increase in driving force
C. Increase in concentration
D. All of the mentioned
Answer» E.
33.

A line which is parallel to horizontal plane and making an angle of 75 degrees with vertical has a length of 5 cm from top view. What is its true length?

A. 4.82 cm
B. 1.29 cm
C. 19.31 cm
D. 5 cm
Answer» E.
34.

Which of the following metals are used in metal-assisted approach to etch silicon?

A. Vanadium
B. Copper
C. Zinc
D. Gold
Answer» E.
35.

What happens to raw bricks if an excess of alumina is present?

A. Becomes hard
B. Becomes brittle
C. Decay
D. Shrinkage
Answer» E.
36.

Let R (x) denote the statement “x > 2.” What is the truth value of the quantification ∃xR(x), having domain as real numbers?$

A. True
B. False
Answer» B. False
37.

Feed force of 210Kg and cutting force of 310Kg are applied using a tool of rake angle 10 degrees. If chip thickness ratio is 0.36, what will be the value of the shear angle in degrees?

A. 20.17
B. 44.13
C. 30.606
D. 21.571
Answer» B. 44.13
38.

A precis must always have a ______

A. subheading
B. heading
C. story
D. incident
Answer» C. story
39.

What is the diameter of the permeameter mould (i.e. Cylinder), used in Jodhpur permeameter?

A. 79.8 mm
B. 50 mm
C. 300 mm
D. 60 mm
Answer» B. 50 mm
40.

Fill in the blank: Neither he nor I ____ present.

A. were
B. was
C. are
D. am
Answer» C. are
41.

A compound proposition that is neither a tautology nor a contradiction is called a ___________

A. Contingency
B. Equivalence
C. Condition
D. Inference
Answer» B. Equivalence
42.

Steam velocities in pressure compounding is ______

A. low
B. high
C. velocity has nothing to do with pressure compounding
D. none of the mentioned
Answer» B. high
43.

The moisture of the core is taken off during baking at what temperature?

A. 197°F
B. 212°F
C. 278°F
D. 304°F
Answer» C. 278¬¨¬®‚Äö√†√ªF
44.

The entry of glycerol into the bacterial cells is by ____________

A. passive diffusion
B. facilitated diffusion
C. group translocation
D. active diffusion
Answer» C. group translocation
45.

The 4th order chebyshev polynomial is:

A. 8x<sup>4</sup>-8x<sup>2</sup>+1
B. 4x<sup>3</sup>-4x<sup>2</sup>+1
C. 4x<sup>3</sup>-3x
D. none of the mentioned
Answer» B. 4x<sup>3</sup>-4x<sup>2</sup>+1
46.

What is the output of the single stage lattice filter if x(n) is the input?

A. x(n)+Kx(n+1)
B. x(n)+Kx(n-1)
C. x(n)+Kx(n-1)+Kx(n+1)
D. Kx(n-1)
Answer» C. x(n)+Kx(n-1)+Kx(n+1)
47.

Maurer’s Universal Statistical Test is –$

A. a test to determine whether the number of runs of ones and zeros of various lengths is as expected
B. a test to detect if a sequence can be significantly compressed without loss of information
C. a test to determine whether the number of ones and zeros in a sequence is approx the same as in a truely random o/p
D. a test for the check of evenness in the 1s and 0s
Answer» C. a test to determine whether the number of ones and zeros in a sequence is approx the same as in a truely random o/p
48.

Which of the following is true for broker pattern?

A. Broker patterns are the simplest mid-level design patterns
B. All broker patterns have instances of a Broker class that mediate the interaction between Client and Supplier class instances
C. All of the mentioned
D. None of the mentioned
Answer» D. None of the mentioned
49.

What is the drawback of using plant viruses as cloning vectors?

A. Small size
B. Large size
C. RNA as genetic material
D. DNA as genetic material
Answer» D. DNA as genetic material
50.

In matrix form, the total material balance equations are expressed as

A. F V=-R
B. RV=-F
C. L/V=F
D. V/R = F
Answer» C. L/V=F