Explore topic-wise MCQs in Php.

This section includes 2167 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.

2101.

Which command is used for moving the cursor to the line extreme?

A. |, 0
B. &
C. %
D. L
Answer» B. &
2102.

Which of the following CSS3 property specifies where to navigate when using the arrow-down navigation key?

A. down
B. nav-down
C. arrow-down
D. none of the mentioned
Answer» D. none of the mentioned
2103.

Viral gene expression is driven by weak promoters.

A. True
B. False
Answer» C.
2104.

Which one of the following is not a step to install a library you need to perform the compatibility in browsers?

A. Download the library from the github location
B. Uncompress the file
C. Insert the following code inside the head tag
D. None of the mentioned
Answer» E.
2105.

Workability of concrete can be improved by addition

A. Iron
B. Sodium
C. Zinc
D. Sulphur
Answer» D. Sulphur
2106.

___________ is the most common type of scaffolding and is widely used in the construction of brickwork.

A. Suspended scaffolding
B. Single scaffolding
C. Trestle scaffolding
D. Steel scaffolding
Answer» C. Trestle scaffolding
2107.

Due to ______________ the dampness finds its way to the floors through the substructure.

A. Action of rain
B. Exposed tops of walls
C. Raising of moisture from ground
D. Condensation
Answer» D. Condensation
2108.

Incompressible flow is the one in which density is ___________

A. 0
B. constant
C. varies from point to point
D. negligible
Answer» C. varies from point to point
2109.

What is the main difference for Seeheim model and MVC model?

A. Most of the important scenarios to guard against are porting from toolkit to toolkit
B. Insulating the application, presentation and dialogue from changes in each other
C. All of the mentioned
D. None of the mentioned
Answer» D. None of the mentioned
2110.

The requirements for closure and post-closure activities are entitled in CFR ____ and ____

A. 264, 265
B. 265, 266
C. 266, 267
D. 267, 268
Answer» B. 265, 266
2111.

The novalak – acid system needs what temperature conditions?$

A. 15°C – 25°C
B. 25°C – 35°C
C. 35°C – 45°C
D. 45°C – 55°C
Answer» D. 45¬¨¬®‚Äö√†√ªC ‚Äö√Ñ√∂‚àö√ë‚àö¬® 55¬¨¬®‚Äö√†√ªC
2112.

After bounding to the mRNA eukaryotic ribosome scans the entire mRNA until it encounters a start codon.

A. True
B. False
Answer» B. False
2113.

The total emf of the thermoelectric pyrometer is given as ___________

A. Peltier effect
B. Thomson effect
C. Seebeck effect
D. Joule’s method
Answer» D. Joule‚Äö√Ñ√∂‚àö√ë‚àö¬•s method
2114.

The angle formed between an element of the pitch cone and the bevel gear axis is

A. shaft angle
B. pitch angle
C. spiral angle
D. none of the mentioned
Answer» C. spiral angle
2115.

The ratio of terminating impedance to the power density of the incident wave is called as?

A. Maximum effective aperture
B. Maximum allowable power
C. Directivity
D. Gain
Answer» B. Maximum allowable power
2116.

Environmental impacts can of _________ types

A. 3
B. 5
C. 4
D. 2
Answer» E.
2117.

How many parameters does the API accept?

A. 5
B. 6
C. 7
D. 8
Answer» E.
2118.

Which primitive can be used to create a list?

A. getf
B. setf
C. make
D. none of the mentioned
Answer» C. make
2119.

Which representation is most efficient to perform arithmetic operations on the numbers?

A. Sign-magnitude
B. 1’s complement
C. 2’S complement
D. None of the mentioned
Answer» D. None of the mentioned
2120.

The nargout command is dependent on the number of outputs sought.

A. True
B. False
Answer» B. False
2121.

What is an earth electrode?

A. electrode that is connected to earth
B. material used for earthing
C. electrode connected to the circuit
D. electrode which is connected to the mains
Answer» C. electrode connected to the circuit
2122.

The concept of SPI is based on __________

A. two counters
B. four flip flops
C. two shift registers
D. four steady state machines
Answer» D. four steady state machines
2123.

Perception and attention are intrinsically rhythmic in nature.

A. True
B. False
Answer» B. False
2124.

Where are the wire bands placed?

A. active portions of rotor conductors
B. inactive portions of rotor conductors
C. active or inactive portions of rotor conductors
D. active and inactive portions of the rotor conductors
Answer» E.
2125.

The speed of a rotary drum vacuum filter may be about ______ rpm.

A. 1
B. 50
C. 100
D. 500
Answer» B. 50
2126.

Which of the following problems do not belong to Karp’s 21 NP-complete problems?$

A. Vertex Cover problems
B. Knapsack
C. 0-1 integer programming
D. None of the mentioned
Answer» E.
2127.

What is the hydraulic loading rate in m2/m3/h of a disc filter assumed while designing it?

A. 0.25-0.83
B. 0.02-0.083
C. 2.5-8.3
D. 8.3-10
Answer» B. 0.02-0.083
2128.

The internal reboilers are preferred for maintaining the economy of an industry.

A. True
B. False
Answer» C.
2129.

For two equal sets there:

A. Cardinality is same
B. Cardinality is different
C. May be same or different
D. None of the mentioned
Answer» B. Cardinality is different
2130.

When two LTI systems with impulse responses ha (t) and hb (t) are cascaded then equivalent response is given by ______

A. h(t) = ha(t) + hb(t)
B. h(t) = ha(t) – hb(t)
C. h(t) = ha(t) hb(t)
D. h(t) = ha(t) * hb(t)
Answer» E.
2131.

Which of the following holds true about direct drive friction welding?

A. Both the workpieces are restrained from motion
B. Among two workpieces, the one attached to motor-driven unit is restrained from motion
C. Among two workpieces, the one which is not attached to motor-driven unit is restrained from motion
D. Both the workpieces are moving relative to each other
Answer» D. Both the workpieces are moving relative to each other
2132.

Progressively modified illumination intensity approach can be used to develop some optical structures.

A. True
B. False
Answer» B. False
2133.

Which of the following factors are responsible for reactivity ratio of monomers?

A. initiation rate
B. reaction medium
C. substituent group on monomer double bond
D. all of the mentioned
Answer» D. all of the mentioned
2134.

Which of the following is a feature of CBSE?

A. It increases quality
B. CBSE shortens delivery time
C. CBSE increases productivity
D. All of the mentioned
Answer» E.
2135.

The screen is scanned from left to right, top to bottom all the time to generate graphics by:

A. Raster scans
B. Random scan
C. Vector scan
D. Stoke writing
Answer» B. Random scan
2136.

Which of the following option is true for the evaluation of the surface by using grazing incident technique with laser beam system?

A. It can two dimensional profiles with submicron accuracy
B. It measure half the part surface at a time
C. It can produce three dimensional profiles with submicron resolution
D. Video screen is used to view test results
Answer» C. It can produce three dimensional profiles with submicron resolution
2137.

GENSCAN is awebbased program that makes predictions based on fifth-order HMMs.

A. True
B. False
Answer» B. False
2138.

Signals are defined as ________________ if their significant instants occur at nominally the same rate, any variation being constrained within specific limits.

A. Plesiochronous
B. Opt-electric
C. Physiometric
D. Opt-immune
Answer» B. Opt-electric
2139.

A mass m is moving with a constant velocity along a line parallel to the x-axis, away from the origin. Its angular momentum with respect to the origin

A. Is zero
B. Remains constant
C. Goes on increasing
D. Goes on decreasing
Answer» C. Goes on increasing
2140.

The limit state design proposals have been evolved from the provisions of various:

A. Structures
B. Codes
C. Plan
D. Foundations
Answer» C. Plan
2141.

The rms value is _________ times he maximum value

A. 1.414
B. 0.5
C. 2
D. 0.707
Answer» E.
2142.

What will be the value of Mba?

A. M/4
B. –M/4
C. M/2
D. –M/2
Answer» D. ‚Äö√Ñ√∂‚àö√ë‚àö¬®M/2
2143.

Plasticity increases with temperature.

A. True
B. False
Answer» B. False
2144.

There is no energy stored inside a rectangular waveguide cavity resonator.

A. True
B. False
Answer» C.
2145.

If f(t) = coshat, its Laplace transform is given by

A. s ‚ÅÑ s<sup>2</sup>-a<sup>2</sup>
B. s+a ‚ÅÑ s-a
C. Indeterminate
D. (sinh(at))<sup>2</sup>
Answer» B. s+a ‚Äö√Ñ√∂‚àö√ñ‚àö√´ s-a
2146.

The impulses travel faster when _________

A. the axon has myelin sheath
B. the axon does not have myelin sheath
C. the cyton is small
D. the dendrites are longer
Answer» B. the axon does not have myelin sheath
2147.

Which of the following is not an example of chiral object?

A. Cylindrical helix
B. Square box
C. Sandal or shoe
D. Glove
Answer» C. Sandal or shoe
2148.

Which type of wind machines are used at several residence or local use?

A. Large size machines
B. Remote machines
C. Small size machines
D. Medium size machines
Answer» E.
2149.

What is the maximum phase shift that can occur in an op-amp with single capacitor?

A. 180<sup>o</sup>
B. 60<sup>o</sup>
C. 270<sup>o</sup>
D. 90<sup>o</sup>
Answer» E.
2150.

What should be the minimum size of bath?

A. 1.5 m * 1.25 m
B. 4.5 m * 2.5 m
C. 115 m * 125 m
D. 0.5 m * 2.5 m
Answer» B. 4.5 m * 2.5 m