Explore topic-wise MCQs in Php.

This section includes 2242 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.

2201.

The presence of foreign particles _____

A. increases recrystallization temperature
B. improves surface hardness of the specimen
C. retards the grain boundary motion
D. softens the specimen
Answer» D. softens the specimen
2202.

In an M-ary signalling scheme two or more bits are grouped together to form a _______

A. Chip
B. Symbol
C. Byte
D. Pattern
Answer» C. Byte
2203.

The armature torque of the DC shunt motor is proportional to

A. Field flux only
B. Armature current only
C. Field flux and armature current
D. Field current
Answer» C. Field flux and armature current
2204.

Which of the following measurement defines a measurement relative to the height of a font in em spaces?

A. px
B. in
C. em
D. pt
Answer» D. pt
2205.

Schwinger reversed phase coupler is a waveguide coupler designed so that the path lengths for the two coupling apertures are the same for_________

A. Coupled port
B. Uncoupled port
C. Back port
D. Isolated port
Answer» C. Back port
2206.

Calculate the electric field intensity of a line charge of length 2m and potential 24V.

A. 24
B. 12
C. 0.083
D. 12.67
Answer» C. 0.083
2207.

As the instructions can deal with variable size operands we use _____ to resolve this.

A. Delimiter
B. Size indicator mnemonic
C. Special assemblers
D. None of the mentioned
Answer» C. Special assemblers
2208.

____________ are materials that absorb selected molecular compounds and catalyze chemical reactions.

A. Catalysts
B. Chromium
C. Zeolite
D. None of the mentioned
Answer» D. None of the mentioned
2209.

The package to which hasItem() function belongs is _______________

A. org.junit.JUnitMatchers.hasItem
B. org.junit.hasItem
C. org.junit.Junit.hasItem
D. org.junit.hamcrest.hasItem
Answer» B. org.junit.hasItem
2210.

Electronic holes in metal-assisted etching of porous silicon oxidise silicon atoms.

A. True
B. False
Answer» B. False
2211.

Which of the following are considered for investigation?

A. Top Down strategies
B. Bottom Up strategies
C. Model Based strategies
D. All of the mentioned
Answer» E.
2212.

Cracking digital identity of any individual or doing identity theft, comes under __________ of IT Act.

A. Section 65
B. Section 66
C. Section 68
D. Section 70
Answer» C. Section 68
2213.

What gauge length is commercially used?

A. 10 mm
B. 20 mm
C. 30 mm
D. 50mm
Answer» E.
2214.

Powder size distribution can be minimised by ___________

A. increasing the carrier gas flow
B. increasing the amount of the powder in the reservoir
C. decreasing the amount of the powder in the reservoir
D. using very fine powder
Answer» D. using very fine powder
2215.

If set A has 4 elements and B has 3 elements then set n(A X B) is

A. 12
B. 14
C. 24
D. 7
Answer» B. 14
2216.

Flow in circular pipes will be turbulent is Reynolds number is _________

A. < 2800
B. > 2800
C. = 2800
D. ~ 2800
Answer» C. = 2800
2217.

Trypanosoma belongs to which of the following order?

A. Kinetoplastida
B. Retortamonadida
C. Choanoflagellida
D. Trichomonadida
Answer» B. Retortamonadida
2218.

For total reflux, difference points lie at:

A. Y=0
B. Y=-100 and Y=100
C. Y=0 and Y=infinity
D. Y=infinity and Y= -infinity
Answer» E.
2219.

Above what period of employment should a person wear a hearing protector?

A. 3 months
B. 6 months
C. 9 months
D. 12 months
Answer» C. 9 months
2220.

How can extra colostrum be kept?

A. frozen in container
B. dry
C. powder
D. liquid
Answer» B. dry
2221.

The color of the secondary sludge produced from the high rate trickling filter is

A. Gray
B. Black
C. Brown
D. Green
Answer» D. Green
2222.

Index of -2 is 1

A. Index of -2 is 0
B. Index of -2 is -1
C. None of the mentioned
Answer» D.
2223.

Who gave the ST/AR algorithm in 1999?

A. Hewlett Packard
B. Jen and Hwang
C. Clynes
D. Cox and Nolle
Answer» B. Jen and Hwang
2224.

The theory of direct levelling neglects _____

A. curvature of the earth
B. refraction
C. both curvature of earth and refraction
D. radius of the earth
Answer» D. radius of the earth
2225.

Connecting rods are generally of the following form

A. Forged I-section
B. Forged round section
C. Cast iron square section
D. Forged square section steel
Answer» B. Forged round section
2226.

The _______________ consists of equal volume of lime and sand, and these two materials are carefully ground in a mortar mill.

A. Lime Mortar
B. Cement Mortar
C. Water proof mortar
D. Special mortar
Answer» B. Cement Mortar
2227.

ret instruction is used for _________

A. determining the end of the program
B. for returning back from the subroutine to the main program
C. for transferring data from one place to another
D. none of the mentioned
Answer» C. for transferring data from one place to another
2228.

Which of the following plot has the difficulty of extrapolating vmax?

A. Line-weaver burk plot
B. Eadie-Hofstee plot
C. Michaelis-menten plot
D. Langmuir plot
Answer» D. Langmuir plot
2229.

The rate at which messenger RNA is synthesized is determined by ______________

A. Promoter
B. Gene
C. Host
D. Nucleus
Answer» B. Gene
2230.

Which of the following represents arrangement of Wheatstone bridge?

A. Potentiometer
B. Weinbridge
C. Schering bridge
D. None of the mentioned
Answer» C. Schering bridge
2231.

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

A. True
B. False
Answer» C.
2232.

HVDC system has charging current but no skin effect while transferring the power through it.

A. True
B. False
Answer» C.
2233.

What the relation between shear carried by interior and exterior columns of a bent?

A. Interior is double of exterior
B. Exterior is double of interior
C. Both carry same shear
D. Depends upon magnitude of load carried
Answer» B. Exterior is double of interior
2234.

The appropriate precedence order of operations over a Regular Language is

A. Kleene, Union, Concatenate
B. Kleene, Star, Union
C. Kleene, Dot, Union
D. Star, Union, Dot
Answer» D. Star, Union, Dot
2235.

Natural Language generation is the main task of Natural language processing.

A. True
B. False
Answer» B. False
2236.

In case of ________, the arrangement is made to show rectangular steps which contains Rebated joint.

A. Spandril steps
B. Tread and Riser steps
C. Cantilever steps
D. Rectangular steps
Answer» B. Tread and Riser steps
2237.

_______________ occurs as a result of the change in lasing frequency with gain

A. Frequency multiplication
B. Dispersion
C. Attenuation
D. Line-width broadening
Answer» E.
2238.

Effect of dissociation is lower for lean mixtures.

A. True
B. False
Answer» B. False
2239.

What is the difference between flash memory and main memory?

A. Data is retained in flash memory
B. Data access is faster in flash memory
C. Data storage is very large in flash memory
D. None of the mentioned
Answer» B. Data access is faster in flash memory
2240.

What is the solid residue that remains after heating of coal in the absence of air?

A. Resin
B. Coke
C. Powder
D. Whisker
Answer» C. Powder
2241.

Which of the following is a system level debugger which provides the low-level debugging facilities and the system debugging?

A. pROBE+ system level debugger
B. pNA+ network manager
C. pHILE+ file system
D. pNA+ network manager
Answer» B. pNA+ network manager
2242.

Preset and clear is used to

A. initialize only first sequence
B. correct first two sequences
C. correct first and last sequence
D. correct alternative sequences
Answer» B. correct first two sequences