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.

1501.

Injection molding uses a _________ for unvulcanized rubber.

A. Geneva mechanism
B. Screw mechanism
C. Dwell cam
D. Linkage
Answer» C. Dwell cam
1502.

Which of the following property is used to round border corners?

A. border-corner
B. border-round
C. border-radius
D. none of the mentioned
Answer» D. none of the mentioned
1503.

TBOUTH can pin can be used to _________

A. values are moved from one place to another
B. the length of the number of bits is selected by this register
C. it can be used to put all the outputs of the Timer_B register in the high impedance state
D. it can be used for outputting the input values of the timers
Answer» D. it can be used for outputting the input values of the timers
1504.

A mixture pattern in the control chart points is exhibited when ____ occurs.

A. Operator fatigue
B. Change of raw materials
C. Continuous wear of tool
D. Adjustments too often responding to random variation
Answer» E.
1505.

Evaluate d/dx xx ln(x)

A. x<sup>(x-1)</sup> + x<sup>2x</sup> ln⁡(x) + x<sup>x</sup> [ln⁡(x) ]<sup>2</sup>
B. x<sup>(x-1)</sup> + x<sup>x</sup> ln⁡(x) + x<sup>x</sup> [ln⁡(x) ]<sup>2</sup>
C. x<sup>(x-1)</sup> + x<sup>x</sup> ln⁡(x) + x<sup>x</sup> ln⁡(x)
D. x<sup>x</sup> + x<sup>x</sup> ln⁡(x) + x<sup>x</sup> [ln⁡(x) ]<sup>2</sup>
Answer» C. x<sup>(x-1)</sup> + x<sup>x</sup> ln‚Äö√Ñ√∂‚àö√ñ¬¨‚àû(x) + x<sup>x</sup> ln‚Äö√Ñ√∂‚àö√ñ¬¨‚àû(x)
1506.

Abrasive jet machined features have tapered sidewalls ranging from _____

A. 5—10˚
B. 22—28˚
C. 15—30˚
D. 18—26˚
Answer» E.
1507.

What is the streak given by calcite minerals?

A. Colourless
B. White
C. Black
D. Yellow
Answer» C. Black
1508.

If you have a JavaMail session configured in your Java EE application server, you can first look it up with the help of:-

A. JndiObjectFactory
B. JndiObjectFactoryBean
C. JndiObject
D. None of the mentioned
Answer» C. JndiObject
1509.

Which of the following is also known as transverse strain?

A. Tensile strain
B. Compressive strain
C. Shear strain
D. Volumetric strain
Answer» D. Volumetric strain
1510.

Small components are dipped in penetrant.

A. True
B. False
Answer» B. False
1511.

Line rast technique is used for ___________________

A. Generating character
B. Character alignment
C. Character spacing
D. Character brightening
Answer» B. Character alignment
1512.

Which of the following property indicate the total size of heap?

A. heapSize
B. totalHeapSize
C. totalJsHeapSize
D. totalHeap
Answer» D. totalHeap
1513.

Which of the following is untrue regarding Homology-Based Methods?

A. The third generation of algorithms was developed in the late 1990s
B. They were developed by making use of evolutionary information
C. This type of method uses the ab initio secondary structure prediction of individual sequences only
D. This type of method combines the ab initio secondary structure prediction of individual sequences and alignment information from multiple homologous sequences (>35% identity)
Answer» D. This type of method combines the ab initio secondary structure prediction of individual sequences and alignment information from multiple homologous sequences (>35% identity)
1514.

IoT devices are naturally vulnerable to ________ threats.

A. Sensors
B. Heterogeneity
C. Security
D. Connectivity
Answer» D. Connectivity
1515.

About how much amount of precipitate is returned back to atmosphere?

A. 2/3
B. 1/4
C. 3/4
D. 1/3
Answer» B. 1/4
1516.

Average thickness of double cover plate butt joint is 0.75 times that of main plate.

A. True
B. False
Answer» B. False
1517.

Which of the following exception generated by MMX is the same type of memory access exception as the X86 instructions?

A. page fault
B. segment not present
C. limit violation
D. all of the mentioned
Answer» E.
1518.

As we are using vector math to solve for the unknown forces in the free body diagrams, what is k.i?

A. 0
B. 1
C. -1
D. ‚àû
Answer» B. 1
1519.

Calculate the change in current in an inductor having inductance 0.004H, number of turns is 200 and the flux changes from 760 to 800 ‚à´ Wb.$

A. 2A
B. 4A
C. 6A
D. 8A
Answer» B. 4A
1520.

Electrophilic substitution of aniline with bromine in presence of gacial acetic acid gives which of the following?

A. 1, 4, 6-tribromo aniline
B. 2, 4, 6-tribromo aniline
C. 4-bromo aniline
D. 3-bromo aniline
Answer» D. 3-bromo aniline
1521.

Bacteria that survive specific heat treatment are said to be _____

A. Psychotropic
B. Coliform
C. Psychrophilic
D. Thermoduric
Answer» E.
1522.

The formation of redundant reactions is examined with reference to:

A. One span continuous beam
B. Two span continuous beam
C. Three span continuous beam
D. Four span continuous beam
Answer» C. Three span continuous beam
1523.

When the intensifier is placed outside its jack, it produces higher ________

A. Pressure
B. Force
C. Displacement
D. Momentum
Answer» B. Force
1524.

Dipole moment of CH3-CH2-Cl > CH2=CH-Cl.

A. True
B. False
Answer» B. False
1525.

A software metric that provides a quantitative measure of the logical complexity of a program.

A. Cyclomatic complexity
B. Index matrix
C. Quantitative complexity
D. System complexity
Answer» B. Index matrix
1526.

Which mode prevents MySQL to perform full checking of date parts?

A. ALLOW_DATES_INVALID
B. ALLOW_INVALID_DATES
C. PREVENT_DATE_CHECK
D. STOP_DATES_CHECK
Answer» C. PREVENT_DATE_CHECK
1527.

___________________ defect occurs when surface to be painted is too smooth.

A. Sagging
B. Running
C. Grinning
D. Wrinkling
Answer» C. Grinning
1528.

If the system matrix of a linear time invariant continuous system is given by

A.
B. s<sup>2</sup>+5s+3=0
C. s<sup>2</sup>-3s-5=0
Answer» B. s<sup>2</sup>+5s+3=0
1529.

What will be the γ value for starter taking 4 steps, where ratio of resistance at maximum allowable current to armature resistance is equal to 1.8?$

A. 1.2164
B. 1.8
C. 2.2468
D. 0.8220
Answer» B. 1.8
1530.

_____________________ determines which X chromosome remains active.

A. XIST
B. XCE
C. XIC
D. RB
Answer» C. XIC
1531.

Optimum feed-stage location, can be obtained by using

A. Gilliland correlation
B. Kirk bride correlation
C. Fenske’s correlation
D. Sorel’s correlation
Answer» C. Fenske‚Äö√Ñ√∂‚àö√ë‚àö¬•s correlation
1532.

Most of the cloning vectors in current use carry an origin region from which plasmid?

A. RP4
B. Col E1
C. RSF1010
D. RP6
Answer» C. RSF1010
1533.

The structural regularity of the polymers may be due to _________

A. Isomerism
B. Optical isomerism
C. Geometrical isomerism
D. Both optical and geometrical isomerism
Answer» E.
1534.

OFDM is a technique for 3G mobile communication. State whether True or False.

A. True
B. False
Answer» C.
1535.

______________ is important to grab a quick understanding and analyzing about your competitors or target user’s need.$

A. Competitive Intelligence gathering
B. Cognitive Intelligence gathering
C. Cyber Intelligence gathering
D. Competitors Info gathering
Answer» B. Cognitive Intelligence gathering
1536.

The pipeline bubbling is a method used to prevent data hazard and structural hazards.

A. True
B. False
Answer» B. False
1537.

Decision trees are appropriate for the problems where:

A. Attributes are both numeric and nominal
B. Target function takes on a discrete number of values.
C. Data may have errors
D. All of the mentioned
Answer» E.
1538.

The ____ variable stores the name of the file currently being processed.

A. OFS
B. FILENAME
C. NF
D. ES
Answer» C. NF
1539.

How many approaches are adopted by the cross-modulation scheme?

A. Four
B. Three
C. Two
D. Five
Answer» B. Three
1540.

Which of the following is NOT true for agrobacterium?

A. Horizontal gene transfer
B. Gram positive bacteria
C. Causes tumor in plants
D. Transfer DNA in plants
Answer» C. Causes tumor in plants
1541.

For operation with 10-V output pulses with the requirement that the sum of the rise and fall times represent only 20% of the pulse width (at half amplitude), what is the slew-rate requirement for an op amp to handle pulses 2 µs wide? (Note: The rise and fall times of a pulse signal are usually measured between the 10%- and 90%-height points.)$

A. 10 V/µs
B. 20 V/µs
C. 40 V/µs
D. 80 V/µs
Answer» D. 80 V/¬¨¬®¬¨¬µs
1542.

Which of the following is not a nitrogenous waste?

A. Citrulin
B. Allantoin
C. Purines
D. Creatinine
Answer» B. Allantoin
1543.

Which of the below structure doesn’t require PSC?$

A. Bridge
B. Arch
C. Dam
D. Silos
Answer» C. Dam
1544.

What is the initial oxygen pressure provided through the lance?

A. 1 atm to 2 atm
B. 2 atm to 3 atm
C. 3 atm to 4 atm
D. 4 atm to 5 atm
Answer» B. 2 atm to 3 atm
1545.

What does the Distributive property signify?

A. The sum of signals in both the sides in any number must be equal
B. The responses must be equal in any side of an LTI system
C. The sum of two inputs must be equal to responses to these signals
D. The Multiplication of two signals in the inputs side is equal to multiplication of the responses
Answer» D. The Multiplication of two signals in the inputs side is equal to multiplication of the responses
1546.

The mitochondrial mRNA code for methionine is _____________

A. UAA
B. AGA
C. AUA
D. AUG
Answer» D. AUG
1547.

What is the difference between blindness and cataract?

A. Cataract happens in the retina and blindness happens to cornea
B. Cataract is clouding up of the cornea while blindness happens if either retina, optic nerve or the occipital lobe is injured or damages
C. Cataract can be corrected with surgery while blindness can be cured by increasing the intake of vitamin A
D. Blindness is when cilliary muscles do not contract properly while cataract is when the eyeball has gotten deformed
Answer» C. Cataract can be corrected with surgery while blindness can be cured by increasing the intake of vitamin A
1548.

Double-pass cylindrical mirror energy analyser has how many mirrors?

A. One
B. Two
C. Three
D. Four
Answer» C. Three
1549.

The pistons are usually given a coating such as tin plating in order to

A. reduce weight
B. conduct heat efficiently
C. reduce possibility of scoring
D. reduce friction
Answer» D. reduce friction
1550.

Third harmonic currents can be as large as ______________

A. 100% of fundamental
B. 10% of fundamental
C. 70% of fundamental
D. 40% of fundamental
Answer» E.