Explore topic-wise MCQs in Php.

This section includes 2095 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.

1551.

Plain cement concrete is strong in taking ___________

A. Tensile stress
B. Compressive stress
C. Shear stress
D. Tensile, compressive and shear stresses
Answer» C. Shear stress
1552.

In a particular drawing, 40 inches is represented by a 10 cm long line. A comparative scale is constructed that measures up to 180 inches and 2 m respectively. What are the lengths of scale for both the inches as well as the meter scales? (1 inch = 0.0254 meter)

A. 7 cm and 8.3 cm
B. 35 cm and 18.35
C. 2.2 cm and 22.9 cm
D. 45 cm and 19.7 cm
Answer» E.
1553.

The stresses are found in how many places of rigid pavement?

A. One
B. Two
C. Three
D. Four
Answer» D. Four
1554.

What is the working principle behind Home blood glucose sensor ?

A. electro-physiological
B. electrochemical
C. chemical
D. physio-chemical
Answer» C. chemical
1555.

A landfill should be constructed within __________ m of highway.

A. 100
B. 200
C. 300
D. 400
Answer» C. 300
1556.

During the increase of velocity of fluid in the bed, how does the graph of pressure drop follows?

A. Linear
B. Exponential
C. Non-linear
D. None of the mentioned
Answer» B. Exponential
1557.

The alpha iron is highly non-magnetic.

A. True
B. False
Answer» C.
1558.

Which of the following is not machined by USM?

A. Brittle metals
B. Glass
C. Ceramics
D. Ductile materials
Answer» E.
1559.

Which of the following cannot be converted in an ordinary NFA?

A. DFA
B. Regular Expression
C. e-NFA
D. None of the mentioned
Answer» E.
1560.

Where is the head office of the Central Pollution Control Board?

A. Mumbai
B. Raipur
C. Mysore
D. New Delhi
Answer» E.
1561.

A directed arc or line in DFD represents

A. Data Store
B. Data Process
C. Data Flow
D. All of the mentioned
Answer» D. All of the mentioned
1562.

When a state of equilibrium is reached under the footing?

A. Load on footing increase
B. Load on footing decreases
C. Safe bearing capacity of the soil is reached
D. None of the mentioned
Answer» B. Load on footing decreases
1563.

A sinusoid

A. A blank graph
B. Error in plot command
C. A sinusoid with a phase difference
Answer» C. A sinusoid with a phase difference
1564.

Saliva generally has a microbial population of _______ bacteria per milliliter.

A. 100
B. 1000
C. 105
D. 108
Answer» E.
1565.

An idealized power spectral density of amplifier has a straight line parallel to X axis and the noise is constant at all frequencies.

A. True
B. False
Answer» C.
1566.

To avoid __________ the foundations should be taken beyond the depth up to which rain water can not reach.

A. Unequal settlement of the soil
B. Horizontal movement of the earth
C. Atmospheric action
D. Withdrawal of moisture from the sub-soil
Answer» D. Withdrawal of moisture from the sub-soil
1567.

The Use case Description Heuristics includes which of these ?

A. Fill in the use case template from top to bottom
B. Write simple declarative sentences in active voice
C. Avoid sequence of steps by the actors and product
D. All of the mentioned
Answer» E.
1568.

Find the time constant of a capacitor with capacitance of 2 microfarad having an internal resistance of 4 megaohm.

A. 2
B. 0.5
C. 8
D. 0.25
Answer» D. 0.25
1569.

HCI which concerns lead the evolution of Seeheim Model?

A. Modifiability and Scalability
B. Modifiability and Portability
C. Modifiability alone
D. None of the mentioned
Answer» C. Modifiability alone
1570.

Development requires _____________

A. Gastrulation and neuralation
B. Cellular cleavage and fusion
C. Growth cellular differentiation and morphogenesis
D. Neurulation and induction
Answer» D. Neurulation and induction
1571.

Compositions above 2.1% C is called as _______

A. Ledeburite
B. Ferrite
C. Hyper and Hypoeutectoid steel
D. Cast iron
Answer» E.
1572.

The displacement of particles in a string stretched in the x-direction is represented by y. Among the following expressions for y, those describing wave motion are

A. coskxsinωt
B. k<sup>2</sup> ω<sup>2</sup>-ω<sup>2</sup> t<sup>2</sup>
C. cos<sup>2</sup> (kx+ωt)
D. cos<sup>2</sup> (k<sup>2</sup> x<sup>2</sup>-ω<sup>2</sup> t<sup>2</sup>)
Answer» B. k<sup>2</sup> ‚âà√¨‚àö¬¢<sup>2</sup>-‚âà√¨‚àö¬¢<sup>2</sup> t<sup>2</sup>
1573.

Which library should be used, genomic or cDNA when the screening is carried out by oligonucleotide probes?

A. Genomic
B. cDNA
C. Both genomic and cDNA library can be used equivalently
D. None of the libraries are preferred if oligonucleotide probes are used
Answer» C. Both genomic and cDNA library can be used equivalently
1574.

Which of the following is true about local buckling?

A. failure occurs by twisting of one or more individual elements of member
B. failure occurs by buckling of one or more individual elements of member
C. failure occurs by both buckling and twisting of one or more individual elements of member
D. cannot be prevented by selecting suitable width-to-thickness ratio of elements
Answer» C. failure occurs by both buckling and twisting of one or more individual elements of member
1575.

How many modes are used to isolate the kernel and the other components of the operating system?

A. 2
B. 3
C. 4
D. 5
Answer» B. 3
1576.

Faults causing largest loss of coverage is those with

A. smallest detectability
B. largest detectability
C. all of the mentioned
D. none of the mentioned
Answer» B. largest detectability
1577.

Cylinder block is usually made from _________

A. grey cast iron
B. steel sleeves
C. nickel
D. chromium
Answer» B. steel sleeves
1578.

Which of the following conditions form the basis of displacement method?

A. equilibrium conditions
B. force-displacement conditions
C. load applied
D. compatibility conditions
Answer» C. load applied
1579.

How are the saturation voltage specified on the manufacture’s datasheet?$

A. Negative voltage
B. Output voltage swing
C. Supply voltage
D. None of the mentioned
Answer» C. Supply voltage
1580.

The temperature is probe is actually an electric coil whose resistance varies with temperature.

A. True
B. False
Answer» B. False
1581.

Resolution of a successive approximation type DVM is given by the relation.

A. R = <sup>1</sup>‚ÅÑ<sub>10<sup>n</sup></sub>
B. R = <sup>1</sup>‚ÅÑ<sub>10</sub>
C. R =10<sup>n</sup>
D. R = 10
Answer» B. R = <sup>1</sup>‚Äö√Ñ√∂‚àö√ñ‚àö√´<sub>10</sub>
1582.

The auto-acceleration in may even lead to an explosion. State true or false.

A. true
B. false
Answer» B. false
1583.

Mutualistic symbiosis is a type of mutualism.

A. True
B. False
Answer» B. False
1584.

Which of the following gas is not colorless?

A. NO
B. O<sub>3</sub>
C. Pb
D. SO<sub>3</sub>
Answer» B. O<sub>3</sub>
1585.

A decrease in stand-off-distance (SOD) _____

A. increases machining time
B. increases energy consumption
C. improves surface finish
D. improves accuracy
Answer» E.
1586.

Which of the following takes place when tryptophan levels are low?

A. Ribosomes quickly translates sequence 1
B. Sequence 2 is blocked before sequence 3 is transcribed
C. Ribosomes pauses at the Try codons in sequence 1
D. Attenuation at the attenuator structure formed by sequences of 3 and 4
Answer» D. Attenuation at the attenuator structure formed by sequences of 3 and 4
1587.

The outcome of Dijkstra’s calculation is used to populate the __________$

A. Topology table
B. Routing table
C. Neighbor table
D. Adjacency table
Answer» C. Neighbor table
1588.

When there is no delay specified in a signal assignment (concurrent), the delay will be _______

A. Zero
B. Transport delay
C. Inertial delay
D. Delta delay
Answer» E.
1589.

The sequence of queries that reflect the typical load on the system are known as ________

A. Efficacies
B. Workload
C. Selection
D. Balancers
Answer» C. Selection
1590.

Heat sinks are usually provided with black anodized finish to ___________

A. Enhance heat dissipation by radiation
B. Enhance heat dissipation by convection
C. Prevent electrical connection
D. Remove dust accumulation
Answer» B. Enhance heat dissipation by convection
1591.

How many factors are used to determine the specific magnetic loading?

A. 2
B. 3
C. 4
D. 5
Answer» C. 4
1592.

What is the characteristic of stagnation point

A. Velocity is zero
B. Acceleration is uniform
C. Velocity is zero
D. Acceleration is zero
Answer» B. Acceleration is uniform
1593.

When was the original method of southern blotting developed?

A. 1975
B. 1964
C. 1954
D. 1944
Answer» B. 1964
1594.

Is vortex filament cannot begin or terminate in the air?

A. True
B. False
Answer» B. False
1595.

What viscosity propellers can handle?

A. 2.0 pa.s
B. 1.5 pa.s
C. 5 pa.s
D. 8 pa.s
Answer» B. 1.5 pa.s
1596.

The cavity of the blind riser is ______________

A. Square
B. Desired shape
C. Round
D. Rhombus
Answer» D. Rhombus
1597.

A pre emphasis circuit provides extra noise immunity by __________

A. boosting the base frequencies
B. amplifying the higher audio frequencies
C. amplifying the whole audio band
D. converting the phase modulation to FM
Answer» C. amplifying the whole audio band
1598.

Mutants which result in programs which are behaviourally equivalent to the original one are called ________________-

A. Statement coverage
B. Condition coverage
C. Equivalent Mutants
D. Dead Mutants
Answer» D. Dead Mutants
1599.

Which of the following property defines in a shorthand form the width, style, and color for the left border of an element?

A. border
B. border-style
C. border-left
D. none of the mentioned
Answer» C. border-left
1600.

The length of TBR can be programmed to be _________

A. 8 bits
B. 12 bits
C. 16 bits
D. all of the mentioned
Answer» E.