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.

1601.

If the probability of one point plotting out of control limits of a X bar control charts is 0.0143, what will be its expected number of individual units sampled with subgroup size 8?

A. 559
B. 544
C. 530
D. 580
Answer» B. 544
Discussion
1602.

AJMM generates no heat.

A. True
B. False
Answer» B. False
Discussion
1603.

State true or false. The carbonate minerals have high hardness.

A. True
B. False
Answer» C.
Discussion
1604.

The default port used by JavaMailSenderImpl is the:-

A. SMTP port 24
B. SMTP port 22
C. SSH port 22
D. SMTP port 25
Answer» E.
Discussion
1605.

Longitudinal strain is also known as ___________

A. Direct strain
B. Axial strain
C. Indirect strain
D. Shear strain
Answer» B. Axial strain
Discussion
1606.

Developer is chosen such as benzene.

A. True
B. False
Answer» C.
Discussion
1607.

VDU’s are used for displaying ________________$

A. Alphabetic letters
B. Numerical characters
C. Graphical contents
D. All of the mentioned
Answer» E.
Discussion
1608.

What does the usedJsHeapSize property indicate?

A. Amount of memory used
B. Amount of memory unused
C. Amount of memory used & unused
D. None of the mentioned
Answer» B. Amount of memory unused
Discussion
1609.

Which of the following is untrue regarding Chou–Fasman and GOR methods?$

A. Both are the first-generation methods
B. They are developed in the 1970s,
C. They suffer from the fact that the prediction rules are somewhat arbitrary
D. They are based on single sequence statistics with clear relation to known protein-folding theories
Answer» E.
Discussion
1610.

________ in IoT as one of the key characteristics, devices have different hardware platforms and networks.

A. Sensors
B. Heterogeneity
C. Security
D. Connectivity
Answer» C. Security
Discussion
1611.

The energy input to the hydrological cycle is by ____________

A. Wind
B. Water
C. Sun
D. Head
Answer» D. Head
Discussion
1612.

If one cover plate is used, thickness of cover plate is kept _________ times that of the main plate.

A. 0.75
B. 1.25
C. 1.125
D. 1.5
Answer» D. 1.5
Discussion
1613.

In a multitasking operating system environment, each task should return to its own processor state which is

A. contents of integer registers
B. contents of floating point registers
C. contents of MMX registers
D. all of the mentioned
Answer» E.
Discussion
1614.

There is the application of the Newton’s third law of motion in the free body diagrams of the friction calculations.$

A. True
B. False
Answer» B. False
Discussion
1615.

Calculate the number of turns in an inductor with a ferromagnetic core when the inductance is 0.004H, the current changes from 5A to 7A and the flux changes from 760 to 800 ‚à´ Wb.$

A. 100
B. 200
C. 300
D. 400
Answer» C. 300
Discussion
1616.

In the reaction, what is the compound C6H5N=CHC6H5 is known as?

A.
B. Aldol
C. Schiffs reagent
Answer» D.
Discussion
1617.

When cows have mastitis, the protein content of milk may be higher, but the cheese yield is lower because of a decrease in _______ protein.

A. Lysine
B. Casein
C. Tryptophan
D. Whey
Answer» C. Tryptophan
Discussion
1618.

Which type of structure is free to deform?

A. Statically determinate
B. Continuous structure
C. Statically indeterminate
D. Partially prestressed structure
Answer» D. Partially prestressed structure
Discussion
1619.

What happens to the output image when global Histogram equalization method is applied on smooth and noisy area of an image?

A. The contrast increases little bit with considerable enhancement of noise
B. The result would have a fine noise texture
C. All of the mentioned
D. None of the mentioned
Answer» B. The result would have a fine noise texture
Discussion
1620.

Most commonly used hydraulic intensifier for water jet cutting is _________

A. Inline hydraulic intensifier
B. Parallel hydraulic intensifier
C. Pressed hydraulic intensifier
D. Casting hydraulic intensifier
Answer» B. Parallel hydraulic intensifier
Discussion
1621.

Which of the following is an application of mesomeric effect?

A. Dipole moment
B. Strength of acids and bases
C. Bond length
D. All of the mentioned
Answer» E.
Discussion
1622.

A simple notation for the representation of control flow.

A. System flow
B. Flow graph
C. Flow program
D. System program
Answer» C. Flow program
Discussion
1623.

Which mode is a shorthand for ‘both strict modes plus a bunch of other restrictions’?$

A. STRICT_ALL_TABLES
B. STRICT_TRANS_TABLES
C. TRADITIONAL
D. ERROR_WHEN_DIVIDE_BY_ZERO
Answer» D. ERROR_WHEN_DIVIDE_BY_ZERO
Discussion
1624.

The appearance of clear background due to insufficient opacity is known as ____________

A. Running
B. Sagging
C. Wrinkling
D. Grinning
Answer» E.
Discussion
1625.

The transfer function of a phase-lead controller is given by

A. (1+aTs)/(1+Ts) , a>1 T>0
B. (1+aTs)/(1+Ts) , a<1 T>0
C. (1-aTs)/(1+Ts) , a>1 T>0
D. (1±Ts)/(1+Ts) , a<1 T>0
Answer» B. (1+aTs)/(1+Ts) , a<1 T>0
Discussion
1626.

In 4-point starters the resistance is added in series with NVC because __________________

A. To increase field current
B. To increase armature current
C. To limit the NVC current
D. To limit armature current
Answer» D. To limit armature current
Discussion
1627.

Lysonization takes place ____________

A. 7<sup>th</sup> day after fertilization
B. 15<sup>th</sup> day after fertilization
C. 1<sup>st</sup> month after fertilization
D. 6<sup>th</sup> month after fertilization
Answer» C. 1<sup>st</sup> month after fertilization
Discussion
1628.

DataContext object is constructed in LINQ to SQL using :

A. NorthwindDataContext db = new malloc NorthwindDataContext();
B. NorthwindDataContext db = new NorthwindDataContext();
C. NorthwindDataContext db = new NorthwindData();
D. None of the mentioned
Answer» C. NorthwindDataContext db = new NorthwindData();
Discussion
1629.

What is the role of antisense RNA in the plasmid?

A. Formation of a hollow appendage
B. Produce antibiotic activity
C. Regulating the initiation of plasmid replication
D. Taking up of foreign DNA
Answer» D. Taking up of foreign DNA
Discussion
1630.

The polymers which possess each monomer segment in regular configuration giving a definite structure is called _____________

A. Addition polymers
B. Condensation polymers
C. Stereo regular polymers
D. Regular polymers
Answer» D. Regular polymers
Discussion
1631.

In OFDMA, what is the relationship between the subcarrier spacing f and symbol time t?

A. f=t
B. f=1/2t
C. f=1/t
D. no relation
Answer» D. no relation
Discussion
1632.

There are __________ types of cognitive hacking and information gathering which is based on the source type, from where data is fetched.

A. 6
B. 5
C. 4
D. 3
Answer» E.
Discussion
1633.

The time lost due to the branch instruction is often referred to as _____

A. Latency
B. Delay
C. Branch penalty
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
1634.

In which of the following learning the teacher returns reward and punishment to learner?

A. Active learning
B. Reinforcement learning
C. Supervised learning
D. Unsupervised learning
Answer» C. Supervised learning
Discussion
1635.

Which built variable is used for defining the field delimiter in the output?

A. OFS
B. FS
C. NF
D. ES
Answer» B. FS
Discussion
1636.

The process of imposing the nonlinear response of the medium onto the control signal is known as ______________ scheme.

A. Demodulation
B. Absorption
C. Cross-modulation
D. Repeater mixing
Answer» D. Repeater mixing
Discussion
1637.

Which of the following shows the location of the inserted genes?

A. Palindromic sequences
B. Resistance gene
C. Restriction site
D. Marker gene
Answer» E.
Discussion
1638.

A particular op amp using ±15-V supplies operates linearly for outputs in the range −12 V to +12 V. If used in an inverting amplifier configuration of gain –100, what is the rms value of the largest possible sine wave that can be applied at the input without output clipping?$

A. 120 mV
B. 60 mV
C. 84.85 mV
D. 42.42 mV
Answer» D. 42.42 mV
Discussion
1639.

Haematuria means _________

A. RBCs in urine
B. WBCs in urine
C. Fats in urine
D. Urea in urine
Answer» B. WBCs in urine
Discussion
1640.

R.C.C. was developed and first used by:

A. Joseph Monier
B. John Smeaton
C. Francois Coignet
D. Joseph Asphadin
Answer» D. Joseph Asphadin
Discussion
1641.

What is the Distributive property of the LTI system?

A. x[n] + h1[n] + h2[n] = h1[n] + h2[n] + x[n]
B. x[n]*(h1[n] + h2[n]) = x[n]*(h1[n])*(x[n]*h2[n])
C. x[n]*(h1[n] + h2[n]) = x[n]*h1[n] + x[n]*h2[n]
D. x[n]*(h1[n] + h2[n]) = *(x[n]*h1[n]) + x[n]*h2[n]
Answer» D. x[n]*(h1[n] + h2[n]) = *(x[n]*h1[n]) + x[n]*h2[n]
Discussion
1642.

With respect to the genetic code reading frame which of the following is wrong?

A. 5’ → 3’ direction reading frame
B. The code is non – overlapping
C. No gaps present
D. Flexible reading frame
Answer» E.
Discussion
1643.

Magnetic deflection energy analysers are effective than electrostatic types.

A. True
B. False
Answer» B. False
Discussion
1644.

Which is the false statement about advantages of V-type engine?

A. compact design requiring lesser space
B. improved distribution of air to cylinder
C. casting less liable to distortion
D. less overhead clearance
Answer» E.
Discussion
1645.

Which of the following is the most likely source of harmonics in a transformer?

A. Poor insulation
B. Overload
C. Loose connections
D. Core saturation
Answer» E.
Discussion
1646.

Reinforced cement concrete is equally strong in taking __________

A. Tensile and compressive stresses
B. Compressive and shear stresses
C. Tensile, compressive and shear stresses
D. Tensile and shear stresses
Answer» D. Tensile and shear stresses
Discussion
1647.

What is the length of the scale, the representative fraction is 1:50000 and the scale must measure up to 25 km?

A. 5 x 10<sup>-4</sup> cm
B. 50 cm
C. 5 cm
D. 0.5 cm
Answer» C. 5 cm
Discussion
1648.

The term ‘a’ denotes$

A. Radius of wheel
B. Radius of the area of contact
C. Radius of the equivalent area of contact
D. Radius of axle
Answer» D. Radius of axle
Discussion
1649.

Which of the following is used to determine the biological response of the biosensor ?

A. artificial membrane
B. chemical membrane
C. physio-chemical membrane
D. biocatalytic membrane
Answer» E.
Discussion
1650.

A landfill site should be ___________ m away from informed habituated area.

A. 100
B. 200
C. 300
D. 500
Answer» E.
Discussion