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.

1401.

Dolomite is formed by the action of magnesian rich sea water on which deposit?

A. Limestone
B. Sandstone
C. Granite
D. Basalt
Answer» B. Sandstone
1402.

MIME is supported by JavaMail through the:?

A. javax.mail.internet.Mime
B. javax.mail.internet.Message
C. javax.mail.internet.MimeMessage
D. javax.mail.internet.Mail
Answer» D. javax.mail.internet.Mail
1403.

The hooks law is valid only for ________?

A. Uni axial forces
B. Bi axial forces
C. Tri axial forces
D. Lateral forces
Answer» B. Bi axial forces
1404.

Which materials can be tested by MPI?

A. Magnetic
B. Non-magnetic
C. Paramagnetic
D. Ferromagnetic
Answer» E.
1405.

CRT can be used for representing _____________?

A. Amplitude of signal
B. Rise time of signal
C. Frequency of signal
D. All of the mentioned
Answer» E.
1406.

What can be done to monitor the memory usage?

A. Profiling
B. Sequencing
C. Serializing
D. None of the mentioned
Answer» B. Sequencing
1407.

Timber cannot be used as a sloping roof?

A. True
B. False
Answer» C.
1408.

Because residues in the same aligned position are assumed to have the same secondary structure, any inconsistencies or errors in prediction of individual sequences can be corrected using a majority rule?

A. True
B. False
Answer» B. False
1409.

Which challenge comes under IoT devices, reliable bidirectional signaling?

A. Signaling
B. Security
C. Presence detection
D. Power consumption
Answer» B. Security
1410.

Amount of rainfall which runs off the earth’s land surface to form stream is used for _____?#

A. Flower generation
B. Back water storage
C. Pit Irrigation
D. Left through canals
Answer» B. Back water storage
1411.

If the number of rivets in each adjacent row goes on decreasing in subsequent rows towards edge, it is called _________ riveting?

A. diamond
B. chain
C. square
D. zigzag
Answer» B. chain
1412.

When an MMX instruction is getting executed, the floating-point tag word is marke?

A. 11
B. 10
C. 00
D. 01
Answer» D. 01
1413.

The three force system can also be in the equilibrium if?

A. All the forces are parallel to each other heading towards the same direction
B. The force components cancel each other
C. The forces are very small in magnitude
D. The forces are very huge in magnitude
Answer» C. The forces are very small in magnitude
1414.

Calculate the initial current in an inductor having inductance 0.004H, number of turns is 200 and the flux changes from 760 to 800 ‚à´ Wb. Current changes to 7A?#

A. 10A
B. 2A
C. 3A
D. 5A
Answer» D. 5A
1415.

During acetylation of amines what is replaced by acetyl groups?

A. Hydrogen atom attached to nitrogen atom
B. One or more hydrogen atoms attached to carbon atom
C. One or more hydrogen atoms attached to nitrogen atom
D. Hydrogen atoms attached to either carbon atom or nitrogen atom
Answer» D. Hydrogen atoms attached to either carbon atom or nitrogen atom
1416.

________ is exposure of hot milk or milk product to reduced pressure to affect the removal of volatile substances, especially those that enter milk from feed)?

A. Vaporization
B. Infusion heater
C. Vacuumization
D. Vac Pac process
Answer» D. Vac Pac process
1417.

The problem of excessive frictional losses can be tackled by reducing?

A. Eccentricity
B. Prestressing force
C. Curvature
D. Loads
Answer» D. Loads
1418.

In terms of enhancement, what does mean and variance refers to?

A. Average contrast and average gray level respectively
B. Average gray level and average contrast respectively
C. Average gray level in both
D. Average contrast in both
Answer» C. Average gray level in both
1419.

A ________ is a cyclic water pump that derives its power from hydroelectric sources?

A. Hydraulic crane
B. Hydraulic Ram
C. Hydraulic Accumulator
D. Hydraulic presses
Answer» C. Hydraulic Accumulator
1420.

The horizontal angle subtended at the theodolite station by a subtense bar with vanes 3 m apart is 0o 10 ′40′′. Calculate the horizontal distance between the theodolite and the subtense bar?#

A. 960.00 m
B. 966.87 m
C. 966.78 m
D. 906.87 m
Answer» D. 906.87 m
1421.

Select the correct statement from the following option?

A. Benzene ring has two different types of bond length for single and double bonds
B. All the bond length in benzene ring is equal due to hyperconjugation
C. All the bond length in benzene ring is equal due to resonance
D. All of the mentioned
Answer» D. All of the mentioned
1422.

An expression for the calculation of cyclomatic complexity?

A. V(G) = E – N + 2
B. V(G) = E + N + 2
C. V(G) = E – N – 2
D. V(G) = E + N – 2
Answer» B. V(G) = E + N + 2
1423.

Which keyword suppresses errors?

A. SUPPRESS
B. STOP
C. PREVENT
D. IGNORE
Answer» E.
1424.

The __________________ is a hard substance and is available from the Earth at the place where pine trees exist in past?

A. Lac
B. Copal
C. Shellac
D. Rosin
Answer» C. Shellac
1425.

Given a unity feedback control system with G (s) = K/s(s+4), the value of K for which the damping ratio is 0.5?

A. 1
B. 16
C. 64
D. 32
Answer» C. 64
1426.

Maximum allowable current for a 240-V DC shunt motor is equal to 65 A. Minimum allowable current for same is equal to 40 A. What will be the value of γ?#

A. 0.6153
B. 1.265
C. 1.625
D. 2.652
Answer» D. 2.652
1427.

Which one of the following is the only active gene in the inactivated X chromosome?

A. XIST
B. XCE
C. Histone coding gene
D. Ribosomal gene
Answer» B. XCE
1428.

For Multicomponent Mixtures Equilibria depend on ?

A. Pressure
B. Temperature
C. Humidity
D. Enthalpy
Answer» C. Humidity
1429.

What is the role of Rop protein in a plasmid?

A. Maintaining stability
B. Antibiotic resistance
C. Maintaining copy number
D. Conversion into a shuttle vector
Answer» D. Conversion into a shuttle vector
1430.

The polymerisation of a diacid with diol produces ___________?

A. Polyethylene
B. Poly-ethane
C. Poly-methane
D. Polyester
Answer» E.
1431.

OFDM uses complex equalizers?

A. True
B. False
Answer» C.
1432.

Which of them is not a reason for competitive information gathering?

A. Compare your product with competitors
B. Analyze the market position of yours with competitors
C. Fetching confidential plans about your competitors
D. Pull out a list of your competitive firms in the market
Answer» D. Pull out a list of your competitive firms in the market
1433.

_____ method is used in centralized systems to perform out of order execution?

A. Scorecard
B. Score boarding
C. Optimizing
D. Redundancy
Answer» C. Optimizing
1434.

Which of the following is not an application of learning?

A. Data mining
B. WWW
C. Speech recognition
D. None of the mentioned
Answer» E.
1435.

Which of the following is not a built-in variable used by awk?

A. ES
B. FILENAME
C. argv
D. argc
Answer» B. FILENAME
1436.

__________ wavelength converters make use of a passive optical medium to exploit non-linear effects?

A. Bipolar
B. Optoelectronic
C. Magnetic
D. Coherent
Answer» E.
1437.

Name the disease caused by Agrobacterium in plants?

A. Crown gall disease
B. Black knot
C. Downy Mildew
D. Early Blight
Answer» B. Black knot
1438.

An op amp having a slew rate of 20 V/µs is to be used in the unity-gain follower configuration, with input pulses that rise from 0 to 3 V. What is the shortest pulse that can be used while ensuring full-amplitude output?#

A. 0.10 µs
B. 0.15 µs
C. 0.20 µs
D. 0.30 µs
Answer» C. 0.20 ¬¨¬®¬¨¬µs
1439.

Volume of urine is regulated by __________?

A. ADH
B. Aldosterone
C. ADH and Aldosterone
D. Aldosterone and testosterone
Answer» D. Aldosterone and testosterone
1440.

How many methods of ferro cementing are there?

A. 3
B. 2
C. 4
D. 6
Answer» B. 2
1441.

What should the outer diameter of a thick-welled lance be, for having good results?

A. 13 mm to 15 mm
B. 15 mm to 17 mm
C. 17 mm to 19 mm
D. 19 mm to 21 mm
Answer» D. 19 mm to 21 mm
1442.

Which is the associative property of the LTI system?

A. x[n]*(h1[n]+h2[n])=x[n]*h1[n]+x[n]*h2[n]
B. x[n]*(h1[n]*h2[n])=h1[n]+x[n]+h2[n]
C. x[n]*h[n]=h[n]*x[n]
D. x[n]*(h1[n]*h2[n])=(x[n]*h1[n])*h2[n]
Answer» E.
1443.

The mitochondrial genome has _____________ stop codons?

A. 1
B. 2
C. 3
D. 4
Answer» E.
1444.

When is a cochlear implant used?

A. When the sensory hair in the auditory canal have been damaged
B. When the tympanic membrane has been damaged
C. When the ossicular chain has been damaged
D. When the fluid in the eustancian tube has been dis-balanced
Answer» B. When the tympanic membrane has been damaged
1445.

In spherical sector analyser, __________ is detected and plotted as a function of energy?

A. Mass
B. Charge
C. Number of electrons striking the detector
D. Mass to charge ratio
Answer» D. Mass to charge ratio
1446.

Piston rings are usually made o?

A. cast iron
B. aluminium
C. carbon steel
D. phosphor bronze
Answer» B. aluminium
1447.

Which type of constructor can’t have a return type?#

A. Default
B. Parameterized
C. Copy
D. Constructors don’t have a return type
Answer» B. Parameterized
1448.

Flux transient goes till the maximum value due to __________?

A. Doubling effect
B. Saturation effect
C. Hysteresis effect
D. Modulation effect
Answer» B. Saturation effect
1449.

How many types of sulphates attack occur in concrete?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
1450.

Which of the following is used to set or measure angles when a protractor is not available?

A. Plain scale
B. Diagonal scale
C. Scale of chords
D. Comparative scale
Answer» D. Comparative scale