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.

How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.

A. 7
B. 8
C. 9
D. 10
Answer» C. 9
2.

Name the term given to the movement of water against gravitational force, from root to the aerial parts of the plant.

A. Ascent of sap
B. Root pressure
C. Radial movement
D. Field capapcity
Answer» B. Root pressure
3.

The primary site of water absorption is___________

A. Phloem
B. Xylem
C. Shoot
D. Root
Answer» E.
4.

Which of the following is a good database management practice?

A. Adding redundant attributes
B. Removing redundant attributes
C. Not specifying primary keys
D. None of the mentioned
Answer» C. Not specifying primary keys
5.

State true or false: Multiple attributes combined together can be primary keys

A. True
B. False
Answer» B. False
6.

Let E be an entity set in a relationship set R. If only some entities in E participate in relationships in R, Then the participation of E in R is __________

A. Partial
B. Total
C. Complete
D. Incomplete
Answer» C. Complete
7.

Let E be an entity set in a relationship set R. If every entity in E participates in at least one relationships in R, Then the participation of E in R is __________

A. Partial
B. Total
C. Complete
D. Incomplete
Answer» C. Complete
8.

The _________ of the entity set is an actual collection of entities belonging to that entity set.

A. Extension
B. Intention
C. Description
D. Availability
Answer» B. Intention
9.

The one disadvantage of the method is that only a single split may be made. What is the name of the method?

A. Clint method
B. Minter’s method
C. Kraft method
D. Laut’s method
Answer» C. Kraft method
10.

What is the name of the instrument?

A. Beloit sheet plitter
B. Blambell sheet splitter
C. Kurtis sheet splitter
D. John sheet splitter
Answer» B. Blambell sheet splitter
11.

___________ developed a method where two pieces of double-sided adhesive tape are applied to the leading edge which’s the edge first off the paper machine.

A. Clint
B. Kraft
C. Kurt
D. Minter
Answer» E.
12.

What is the name of the process which is shown below?

A. Clint method
B. Minter’s method
C. Kraft method
D. Laut’s method
Answer» C. Kraft method
13.

There is a method which is used to double – sided adhesive tape on both sides of the paper. The exposed area of tape is attached to some surface and the paper is pulled apart.

A. True
B. False
Answer» B. False
14.

Sheet splitting refers to the separation of a sheet of paper in the x-axis.

A. True
B. False
Answer» C.
15.

Balanced modulator is used to produce balanced modulation of a carrier wave.

A. True
B. False
Answer» C.
16.

What is the standard IF frequency for AM receivers?

A. 100 KHz
B. 455 KHz
C. 1.07 MHz
D. 10.7 MHz
Answer» C. 1.07 MHz
17.

Base modulation is preferred over collector modulation of a class C transistor because it has high power output per transistor.

A. True
B. False
Answer» C.
18.

What is the main disadvantage of FM over AM?

A. high modulating power is needed
B. noise is very high for high frequencies
C. high output power is required
D. large bandwidth is required
Answer» E.
19.

Nijegorodov’s model revised the constants of ASHRAE’s model.

A. True
B. False
Answer» B. False
20.

The clearness index is a measure of atmospheric effects in an isolated place.

A. True
B. False
Answer» C.
21.

Which of the following does the correlation of decomposition models (between diffuse and total radiation on horizontal surface) depend on?

A. Hourly clearness index ratio
B. Daily clearness index ratio
C. Hourly global horizontal radiation
D. Yearly extraterrestrial radiation
E. depend on?a) Hourly clearness index ratiob) Daily clearness index ratioc) Hourly global horizontal radiationd) Yearly extraterrestrial radiation
Answer» B. Daily clearness index ratio
22.

Decomposition models are based on correlation between ____________

A. global solar radiation and active radiation
B. diffuse and UV radiation on vertical surface
C. diffuse and total radiation on inclined surface
D. diffuse and total radiation on horizontal surface
Answer» E.
23.

How do decomposition models compute diffuse solar radiation?

A. From specific information of environmental conditions
B. From measuring instruments
C. From global solar radiation data
D. From ASHRAE model
Answer» D. From ASHRAE model
24.

Which of the following is an example of parametric model used to compute diffuse radiation?

A. Chandrasekaran and Kumar’s model
B. ASHRAE model
C. Erb’s model
D. T-model
Answer» C. Erb’s model
25.

Which of the following is required as a parameter in a parametric model?

A. Cloud cover
B. Solar insolation constant
C. Material of measuring instrument
D. Type of measuring instrument
Answer» B. Solar insolation constant
26.

What are the two models used to determine diffuse radiation?

A. Rayleigh scattering and Hybrid pi model
B. Parametric model and Rayleigh scattering
C. Decomposition model and Hybrid pi model
D. Parametric and decomposition models
Answer» E.
27.

Solar radiation on a horizontal surface is the summation of _______

A. direct and active solar radiation
B. active and diffuse solar radiation
C. diffuse and direct solar radiation
D. electrons and photons
Answer» D. electrons and photons
28.

Which of the following is not used to calculate hourly radiation?

A. Sun’s declination angle
B. Material of parabolic dish
C. Solar constant
D. Hour angle
Answer» C. Solar constant
29.

What is zenith angle?

A. Angle between sun and vertical
B. Angle between the line joining the location on earth’s surface and the equatorial plane
C. Angle between extended sun’s rays to earth’s center and equatorial plane
D. Angle between projection of sun’s rays on horizontal surface and equatorial plane
Answer» B. Angle between the line joining the location on earth’s surface and the equatorial plane
30.

Which of the following can be used to estimate beam radiation?

A. Photoelectric effect
B. Solar insolation constant
C. Time taken by sun’s rays to reach earth
D. Zenith angle and altitude
Answer» E.
31.

Which of the following is generally used to compute global and diffuse radiation values?

A. Parabolic dish
B. Flat plate collector
C. Theoretical models
D. Pyranometer
Answer» D. Pyranometer
32.

Why are global and diffuse radiation values not measured?

A. Because of sophisticated measuring instruments
B. Because measuring instruments are not available everywhere
C. Because of unavailability of skilled labour to operate measuring instruments
D. Because measuring instruments are not available everywhere
Answer» C. Because of unavailability of skilled labour to operate measuring instruments
33.

Hourly radiation values can be used to evaluate the performance of ________

A. flat plate collectors
B. curved collectors
C. parabolic collectors
D. metallic collectors
Answer» B. curved collectors
34.

Dittus-boelter equation is applicable for fluids with phase change.

A. True
B. False
Answer» C.
35.

Statement 1: Sieder-Tate and Dittus-boelter equations imply only to laminar flow conditions.Statement 2: Under laminar conditions, the same equation applies both to Newtonian and Non-Newtonian fluids.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» D. False, True
36.

Фv is generally taken as 1 in food processing as generally very high wall temperatures aren’t reached and hence (µ/µw) * 0.14 is 1 as there isn’t much difference in µ and µw.

A. True
B. False
Answer» B. False
37.

Statement 1: G is known as the mass flux and it is the product of density and velocity.Statement 2: Grashof number is associated with forced convection.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» B. True, True
38.

Statement 1: NPr= (Cpm)/klStatement 2: Stanton number is a product of NRe and NPr.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» D. False, True
39.

Find heat transfer in an agitated jacketed vessel if NRei is 1.5 * 105 and NPr is 20.

A. 0.9
B. 1.2
C. 1.8
D. None of the mentioned
Answer» B. 1.2
40.

Statement 1: In nusselt’s film theory, velocity of the falling film is not affected by the velocity of the vapors.Statement 2: LMTD can be used provided the overall heat transfer co-efficient is constant over a large range of temperatures.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
41.

Statement 1: Unsteady state heat transfer equation can be used when there is negligible internal resistance.Statement 2: Unsteady state heat transfer equation can be used for liquid food items which are well stirred, because, temperature gradient within won’t be there.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
42.

According to Nusselt’s film theory, the film thickness decreases as we move from bottom to top. The heat transfer increases.

A. True
B. False
Answer» C.
43.

Which of the following type of air is circulated over rack type core oven?

A. Cool air
B. Hot air
C. Compressed air
D. Odourless air
Answer» C. Compressed air
44.

Drawer type core ovens are used for baking large sized cores.

A. True
B. False
Answer» C.
45.

What does the following figure represent?

A. Core plate
B. Core drier
C. Core oxidizer
D. Core rack
Answer» C. Core oxidizer
46.

Which of the following equipment is used for both limited and mass production?

A. Core ovens
B. Dielectric bakers
C. Radiant bakers
D. Flame bakers
Answer» B. Dielectric bakers
47.

NTU is defined as?

A. Number of tray unit
B. Number of tissue plant
C. Number of transfer unit
D. Number of Plain uncovered
Answer» D. Number of Plain uncovered
48.

HTU is defined as?

A. Height of transfer unit
B. Height of tray unit
C. Height of tissue plant
D. Height of Plain uncovered
Answer» B. Height of tray unit
49.

For operations involving chemical reactions ________ vessels are used.

A. Perforated
B. Agitated
C. Bored
D. Plated
Answer» C. Bored
50.

The allowable vapor pressure velocity, is taken to be

A. 60 to 80%
B. 50 to 60%
C. 10 to 20%
D. 30 to 40%
Answer» B. 50 to 60%