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.

2151.

What is Fk?

A. Vector
B. Matrix
C. Factor
D. Correction
Answer» E.
Discussion
2152.

What is the temperature at the negative terminal in carbon arc welding?

A. 3000°C
B. 3100°C
C. 3200°C
D. 3300°C
Answer» D. 3300¬¨¬®‚Äö√†√ªC
Discussion
2153.

The response of any discrete time system can be decomposed as _____________

A. Total Response=Impulse+step
B. Total Response=Impulse+Ramp
C. Total Response=zero-output response
D. Total Response=zero-state response+zero-input response
Answer» E.
Discussion
2154.

Each coil in three phase alternator has ________________ number of terminals.

A. 2
B. 4
C. 6
D. 8
Answer» B. 4
Discussion
2155.

When carbon contents less than 0.1%, steel is called:

A. Mild steel
B. Medium carbon steel
C. Dead steel
D. Hard steel
Answer» D. Hard steel
Discussion
2156.

The patterns can be __________ after the pattern is prepared from shell molding.

A. Scrapped
B. Non-reused
C. Reused
D. Recycled
Answer» D. Recycled
Discussion
2157.

Ranking of queries is done by which of the following?

A. Group by
B. Order by
C. Having
D. Both Group by and Order by
Answer» C. Having
Discussion
2158.

Whitworth quick return motion mechanism consists of three turning pairs and one sliding pair.

A. True
B. False
Answer» B. False
Discussion
2159.

What is the surge impedance if a capacitance of 0.0022 μF (2200 pF) is measured for 100 ft and the inductance of each conductor is measured separately and then added, for a total of 5.5 μH?$

A. 48Ω
B. 25Ω
C. 50Ω
D. 74Ω
Answer» D. 74‚âà√≠¬¨¬©
Discussion
2160.

If the resultant flux will not be in phase with the resultant mmf Fr. This is due to

A. hysteresis effect
B. armature reaction
C. hysteresis effect and armature reaction
D. eddy currents
Answer» B. armature reaction
Discussion
2161.

One of the nuclear power station located in Tamilnadu shielded by a double containment system is:

A. Lankesh nuclear power station
B. Gauri nuclear power station
C. Kalpakkam nuclear power station
D. Radant nuclear power station
Answer» D. Radant nuclear power station
Discussion
2162.

The regular BP cuff is a non – invasive method of measuring blood pressure.$

A. True
B. False
Answer» B. False
Discussion
2163.

Non-electrical quantities are measured directly.

A. True
B. False
Answer» C.
Discussion
2164.

A complete DNA polymerase III holoenzyme contains ____________sub units.

A. 2
B. 4
C. 6
D. 8
Answer» D. 8
Discussion
2165.

The process can be __________ by using WAIT statements.

A. Suspended
B. Resumed
C. Suspended as well as resumed
D. Cannot be determined
Answer» D. Cannot be determined
Discussion
2166.

Transgenic organisms are generally

A. Extinct organisms
B. Naturally occurring and endemic
C. Produced by traditional plant breeding technique
D. Produced by gene transfer technology
Answer» E.
Discussion
2167.

Which of the following is/are the features of R?

A. Small
B. Self-contained
C. Extensible
D. All of the mentioned
Answer» E.
Discussion
2168.

How soil resistance can increase against erosion?

A. By maintaining the water inflow
B. By maintaining the physical structure of soil
C. By maintaining the environmental conditions
D. By increasing the manure given to the plants
Answer» C. By maintaining the environmental conditions
Discussion
2169.

How is the reactivity of a chain radical practically determined in a free radical copolymerization?

A. number of the monomers present
B. free radical bearing terminal monomer unit
C. size of the monomer unit
D. chemical nature of monomer unit
Answer» C. size of the monomer unit
Discussion
2170.

Can centre of pressure for a vertical plane submerged surface be ever be above centre of Gravity

A. Yes
B. No
C. It can be above in cases where the surface height is very large
D. None of the mentioned
Answer» C. It can be above in cases where the surface height is very large
Discussion
2171.

How many commonly accepted papers are present in the machine design?

A. 3
B. 2
C. 4
D. 5
Answer» C. 4
Discussion
2172.

Which of the following process is concerned with analyzing the costs and benefits of proposed changes?

A. Change management
B. Version management
C. System building
D. Release management
Answer» B. Version management
Discussion
2173.

In Schottky barrier diode, which contact has similar characteristics to that of an ordinary PN diode?

A. Ohmic contact
B. Schottky barrier contact
C. Both ohmic and Schottky barrier contact
D. None of the mentioned
Answer» C. Both ohmic and Schottky barrier contact
Discussion
2174.

The net forces of acting on the body need to be zero. This is also applicable for the simply supported beams. This means that the support reaction is also counted in making the net force zero.

A. True
B. False
Answer» B. False
Discussion
2175.

The ‘mysqlbackup’ command to perform a restore operation is _____________$

A. copy-back-and-apply-log
B. apply-log-and-copy-back
C. copy-log-and-apply-back
D. apply-back-and-copy-log
Answer» B. apply-log-and-copy-back
Discussion
2176.

Which of the following is not an operation of impression die forging?

A. Broaching
B. Quenching
C. Bending
D. Spreading
Answer» C. Bending
Discussion
2177.

In assembly half section, the section line cut the plane at an angle _________ or ________

A. 35, 45
B. 45, 125
C. 35, 135
D. 45, 135
Answer» E.
Discussion
2178.

Considering transformer as a magnetically coupled circuit, the voltage at the secondary of the transformer is _________________

A. R<sub>2</sub>i<sub>2</sub> + L<sub>2</sub>*di<sub>2</sub>/dt – M*di<sub>1</sub>/dt
B. R<sub>2</sub>i<sub>2</sub> + L<sub>2</sub>*di<sub>2</sub>/dt + M*di<sub>1</sub>/dt
C. -R<sub>2</sub>i<sub>2</sub> + L<sub>2</sub>*di<sub>2</sub>/dt – M*di<sub>1</sub>/dt
D. -R<sub>2</sub>i<sub>2</sub> – L<sub>2</sub>*di<sub>2</sub>/dt + M*di<sub>1</sub>/dt
Answer» E.
Discussion
2179.

Antenna gain ______ as effective area increases.

A. Increases
B. Decreases
C. Remains same
D. None of the mentioned
Answer» B. Decreases
Discussion
2180.

Recycled fiber is separated from _________ which’s off-specification paper produced at the mill and reused within the mill.$

A. Reel
B. Broke
C. Matte
D. Emulsion
Answer» C. Matte
Discussion
2181.

In field, the dry density of soil can be determined by?

A. Oven method
B. Sand bath
C. Burning
D. Sand replacement
Answer» D. Sand replacement
Discussion
2182.

A Bluetooth “piconet” has ________$

A. 1 node
B. 2 nodes
C. 2 to 8 nodes
D. 2 to 16 nodes
Answer» D. 2 to 16 nodes
Discussion
2183.

At certain temperature the maximum concentration of solute atoms that dissolve in solvent to form solid solution, this condition is called __________

A. Solubility
B. Formation of phase
C. Solubility limit
D. Formation of super saturated solution
Answer» D. Formation of super saturated solution
Discussion
2184.

When compacted dry of optimum, the structure of clay is always___________

A. Flocculated
B. Dispersed
C. Disoriented
D. Honey comb shaped
Answer» B. Dispersed
Discussion
2185.

What is the normal time to get uniform mixing?

A. 30 seconds
B. 2 or more minutes
C. 1 minutes
D. 24 hours
Answer» C. 1 minutes
Discussion
2186.

Progenitor sequences represented by the ______ branches of the tree are derived by alignment of the _______ sequences.

A. outer, outermost
B. inner, outermost
C. inner, innermost
D. outer, innermost
Answer» C. inner, innermost
Discussion
2187.

Vasa efferentia are the ductules leading from ___________

A. Rete testis to vas deferens
B. Epididymis to urethra
C. Vas deferens to epididymis
D. Placenta
Answer» B. Epididymis to urethra
Discussion
2188.

A hexagonal pyramid first placed in such a way its axis is perpendicular to H.P and one edge AB parallel to V.P and then next this is turned about its axis so the base AB is now making some angle with V.P. The top view for previous and later one will be having the same shape.

A. True
B. False
Answer» B. False
Discussion
2189.

The general theory of Control charts was first developed by _____

A. Walter A. Shewhart
B. Deming
C. ISO
D. ASQC
Answer» B. Deming
Discussion
2190.

Which of the following database should be backed up regularly ?

A. Adventure Works
B. Pub
C. TEMPDB
D. Master
Answer» E.
Discussion
2191.

A substance whose permeability is less than the permeability of free space is?

A. Diamagnetic
B. Paramagnetic
C. Ferromagnetic
D. Not a magnetic substance
Answer» B. Paramagnetic
Discussion
2192.

The __________ element represents a span of text that is isolated from its surroundings for the purposes of bidirectional text formatting.

A. b
B. bdi
C. bdo
D. base
Answer» C. bdo
Discussion
2193.

What kind of designs were proposed for extracting oil from rocks?

A. In situ extraction
B. Moving bed processes
C. Fluidized bed
D. All of the mentioned
Answer» E.
Discussion
2194.

What type of motion is associated with the molecules of gas?

A. Newton’s law of motion
B. Conservative motion
C. Linear motion
D. Brownian motion
Answer» E.
Discussion
2195.

__________plaster is a mixture of clay, sand and water with the addition of plant fibers for tensile strength over wood lath.

A. Loam
B. Sand
C. Gypsum
D. Clay
Answer» E.
Discussion
2196.

Bernoulli disks are a type of magnetic floppy disks.

A. True
B. False
Answer» C.
Discussion
2197.

Addition of zero increases the stability.

A. True
B. False
Answer» B. False
Discussion
2198.

The agent running as a _________ on a device.

A. SSH Terminal
B. Yocto Linux
C. Daemon
D. Local agent
Answer» D. Local agent
Discussion
2199.

The x-ray beam produced by the primary x-ray tube passes through which of the following components to produce the incident radiation?

A. Detector
B. Slit-collimator arrangement
C. Sample reflector
D. Monochromator
Answer» C. Sample reflector
Discussion
2200.

Which of the DNA polymerase in prokaryotes is responsible for re-synthesizing the stretch in MMR?

A. DNA polymerase Beta
B. DNA polymerase I
C. DNA polymerase II
D. DNA polymerase III
Answer» E.
Discussion