Explore topic-wise MCQs in Php.

This section includes 2167 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.

1601.

Interim status facilities must have written closure plans within ____ months before closure.

A. 2
B. 4
C. 6
D. 8
Answer» D. 8
1602.

How many loops are seen in the tRNA?

A. 1
B. 2
C. 3
D. 4
Answer» E.
1603.

Which material is used when radiation pyrometers don’t produce a satisfactory result?$

A. Chromel-Alumel
B. Iron-Constantan
C. Copper-Constantan
D. Rhodium-Platinum
Answer» E.
1604.

The angle between mating bevel gear axes, also the sum of the two pitch angles is

A. shaft angle
B. pitch angle
C. spiral angle
D. none of the mentioned
Answer» D. none of the mentioned
1605.

Ground waves are not adversely affected by which of the following factors?

A. Conductivity of earth
B. Dielectric of earth
C. Lightning strikes
D. Day/night changes
Answer» E.
1606.

_________ divided methodologies for EIA into ___________ categories.

A. Warner, 4
B. Bisset, 4
C. Warner, 5
D. Bisset, 5
Answer» D. Bisset, 5
1607.

Which of the following method loads a new document?

A. location.new()
B. loadnew()
C. location.load()
D. location.assign()
Answer» E.
1608.

The processor keeps track of the results of its operations using a flags called ________

A. Conditional code flags
B. Test output flags
C. Type flags
D. None of the mentioned
Answer» B. Test output flags
1609.

Earthing does not help in protecting the equipment.

A. True
B. False
Answer» C.
1610.

SCLK, SDO, and SDI are found ___________ on F20x3.

A. P1.0-2
B. P1.2-4
C. P1.4-6
D. P1.5-7
Answer» E.
1611.

The researches demonstrated that the sensitivity of detecting weak sound is ________

A. Constant
B. Not constant
C. Fluctuating
D. Sinusoidal
Answer» C. Fluctuating
1612.

What is the formula for the breadth of the ring slot?

A. breadth of the ring slot = (number of turns in a band + 1)*diameter of band wire – 2*constant
B. breadth of the ring slot = (number of turns in a band + 1)*diameter of band wire + 2*constant
C. breadth of the ring slot = (number of turns in a band + 1)*diameter of band wire * 2*constant
D. breadth of the ring slot = (number of turns in a band + 1)*diameter of band wire / 2*constant
Answer» C. breadth of the ring slot = (number of turns in a band + 1)*diameter of band wire * 2*constant
1613.

The porosity of a compressible cake is _________

A. minimum at the filter medium
B. Minimum at the upstream face
C. Maximum at the filter medium
D. Same throughout the cake
Answer» B. Minimum at the upstream face
1614.

An example of FDM:

A. broadcast radio
B. telephone
C. machines
D. semi-duplex
Answer» B. telephone
1615.

The speed characteristic of the induction motor is analogous to

A. dc shunt motor
B. synchronous motor
C. cumulative compound motor
D. stepper motor
Answer» B. synchronous motor
1616.

Hamilton Circuit problem is a special case of ____________

A. travelling salesman problem
B. halting problem
C. hitting set
D. none of the mentioned
Answer» B. halting problem
1617.

What is the hydraulic loading rate in m2/m3/h of a cloth disc filter assumed while designing it?

A. 0.1-0.27
B. 10-20
C. 2-4
D. 1-2
Answer» B. 10-20
1618.

Condenser or reboiler is consider as a trays or stage in a fractionator.

A. True
B. False
Answer» B. False
1619.

Cardinality of the set of even prime number under 10 is 4.

A. True
B. False
Answer» C.
1620.

The causal continuous system with impulse response should satisfy ____ equation.

A. h(t)=0,t<0
B. h(t)=0,t>0
C. h(t)≠0,t<0
D. h(t)≠0,t≤0
Answer» B. h(t)=0,t>0
1621.

Friction welding one of the leading methods of joining different metals.

A. True
B. False
Answer» B. False
1622.

Increase in the total current density produced by the generation of electronic holes increases the pore diameter.

A. True
B. False
Answer» B. False
1623.

Which of the following pairs of monomers will most probably form alternating copolymer?

A. butadiene and acrylonitrile, r<sub>1</sub>r<sub>2</sub>=0.0006
B. vinyl acetate and diethyl fumarate, r<sub>1</sub>r<sub>2</sub>=0.0049
C. styrene and acrylonitrile, r<sub>1</sub>r<sub>2</sub>= 0.016
D. butadiene and styrene, r<sub>1</sub>r<sub>2</sub>=0.98
Answer» B. vinyl acetate and diethyl fumarate, r<sub>1</sub>r<sub>2</sub>=0.0049
1624.

Which of the following term is best defined by the statement: “The names of the operations in the ‘provides’ and ‘requires’ interfaces are different.”?$

A. Parameter incompatibility
B. Operation incompleteness
C. Operation incompatibility
D. None of the mentioned
Answer» D. None of the mentioned
1625.

The software that enables the user to implement custom applications or modify the system for specialized needs is known as:

A. Programming language
B. Operating system
C. Application software
D. Graphics software
Answer» B. Operating system
1626.

From which part the light column is divided into beams in grazing incident technique?

A. At the hypotenuse of the system’s precision prism
B. At base of the system’s precision prism
C. After reflecting from the test surface
D. At perpendicular of the system’s precision prism
Answer» B. At base of the system‚Äö√Ñ√∂‚àö√ë‚àö¬•s precision prism
1627.

Which of the following is untrue about EST2Genome?

A. It is a web-based program purely based on the sequence alignment approach to define intron–exon boundaries
B. It compares an EST (or cDNA) sequence with a genomic DNA sequence containing the corresponding gene
C. The alignment is rarely done using a dynamic programming–based algorithm
D. Advantage of the approach is the ability to find very small exons and alternatively spliced exons that are very difficult to predict by any ab initio–type algorithms
Answer» D. Advantage of the approach is the ability to find very small exons and alternatively spliced exons that are very difficult to predict by any ab initio‚Äö√Ñ√∂‚àö√ë‚àö¬®type algorithms
1628.

The ___________ sits at the top of hierarchy of the OSI layer model.

A. Session layer
B. Transport layer
C. Application layer
D. Data link layer
Answer» D. Data link layer
1629.

Analogue of mass in rotational motion is

A. Moment of inertia
B. Angular momentum
C. Gyration
D. Angular acceleration
Answer» B. Angular momentum
1630.

The structure designed by ultimate load method, although having a desirable margin of safety may not be safe at:

A. Serviceable
B. Durable
C. Ductile
D. Tension
Answer» B. Durable
1631.

If two current phasors, having magnitude 5A and 10A intersect at an angle of 60 degrees, calculate the resultant current.

A. 5A
B. 10A
C. 25A
D. 20A
Answer» D. 20A
1632.

What will be the vertical force at point A?

A. M/4L
B. 4M/L
C. -3M/4L
D. M/2L
Answer» D. M/2L
1633.

How is brittleness related to impact strength?

A. Brittleness is directly proportional to impact strength
B. Brittleness is inversely proportional to impact strength
C. Brittleness is directly proportional to a square of impact strength
D. Brittleness is inversely proportional to a square of impact strength
Answer» C. Brittleness is directly proportional to a square of impact strength
1634.

Unloaded Q of a rectangular waveguide cavity resonator:

A. Does not exist
B. Defined as the ratio of length of the waveguide to breadth of the waveguide
C. Defined as the ratio of stored energy to the power dissipated in the walls
D. None of the mentioned
Answer» D. None of the mentioned
1635.

Carpel Tunnel Syndrome is a result of __________

A. diabetes
B. excessive weight
C. nerve impingement
D. blood vessel impingement
Answer» D. blood vessel impingement
1636.

To avoid excessive high value of molecular rotation, concentration is taken as

A. 1 centi-mole/mL
B. 1 milli-mole/mL
C. 1 mole/mL
D. 1 kilo-mole/mL
Answer» B. 1 milli-mole/mL
1637.

Which part of the wind turbines senses wind speed, wind direction, shaft speed and torque?

A. Turbine blade
B. Shaft
C. Rotor
D. Controller
Answer» E.
1638.

Find out the expression for open loop gain magnitude with three break frequency?

A. A/[1+ j(f/f<sub>o1</sub>)]x[1+ j(f/f<sub>o2</sub>)]x[1+ j(f/f<sub>o3</sub>)].
B. A/[1+ j(f/f<sub>o</sub>)]<sup>3</sup>
C. A/A/[1+ j(f/f<sub>o1</sub>)]+ [1+ j(f/f<sub>o2</sub>)]+ [1+ j(f/f<sub>o3</sub>)].
D. All of the mentioned
Answer» D. All of the mentioned
1639.

Scrap value is the net annual letting value of a property, which is obtained after deducting the amount of yearly repairs from the gross income.

A. True
B. False
Answer» C.
1640.

A single sideband modulation system requires a more complex demodulator circuit?

A. True
B. False
Answer» B. False
1641.

Which drug is used for treatment of leishmaniasis?

A. chloroquine phosphate
B. metronidazole
C. suramin
D. sodium stibogluconate
Answer» E.
1642.

MERQ Stands for?

A. Material, equilibrium, regression and heat
B. Material, Energy, rate and equilibrium
C. Material, equilibrium, summation and Quality
D. Material, equilibrium, summation and heat
Answer» C. Material, equilibrium, summation and Quality
1643.

Which of these data models is an extension of the relational data model?

A. Object-oriented data model
B. Object-relational data model
C. Semi structured data model
D. None of the mentioned
Answer» C. Semi structured data model
1644.

The effect of welding speed can be seen on ____

A. weld bead
B. penetration
C. power consumption
D. polarisation
Answer» B. penetration
1645.

A transistor has an IC of 100mA and IB of 0.5mA. What is the value of αdc?$

A. 0.565
B. 0.754
C. 1.24
D. 0.995
Answer» E.
1646.

Backdoors cannot be designed as ______________

A. the hidden part of a program
B. as a part of Trojans
C. embedded code of the firmware
D. embedded with anti-malware
Answer» E.
1647.

Which of the following operators takes only integer operands ?

A. +
B. *
C. /
D. %
Answer» E.
1648.

The efficiency of the pump at quarter load is

A. 50%
B. 70%
C. 80%
D. 100%
Answer» B. 70%
1649.

_____________ in computer science is a programming technique for converting data between incompatible type systems.

A. Active Record Pattern
B. Inversion Of Control
C. Object Relational Mapping
D. Strategy Pattern
Answer» D. Strategy Pattern
1650.

In gene targeting, endogenous gene is replaced by a ____________

A. Exogenous gene
B. Promoter
C. Inducer
D. Null allele
Answer» E.