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.

2051.

_____________ are empty shells that supply methods to let the tests have control of the behavior of all the business methods of the faked class.

A. Stubs
B. Jetty
C. Mocks
D. Interfaces
Answer» D. Interfaces
2052.

In most animals, the somatic and germ cells are not differentiated.

A. True
B. False
Answer» C.
2053.

___________ is the purest form of the water obtained by natural distillation.

A. Under ground water
B. Sea water
C. River water
D. Rain water
Answer» E.
2054.

The depth of groove in skid resistance test is.

A. 0.5 mm
B. 1.0 mm
C. 1.5 mm
D. 2.0 mm
Answer» D. 2.0 mm
2055.

Glycogen synthase a is activated by

A. Phosphorylation catalyzed by GSK3
B. Dephosphorylation catalyzed by GSK3
C. Phosphorylation catalyzed by pyruvate kinase
D. Phosphorylation catalyzed by pyruvate carboxylase
Answer» B. Dephosphorylation catalyzed by GSK3
2056.

SRS consists of ?

A. Problem statement
B. Product design
C. Problem statement & Product design
D. None of the mentioned
Answer» D. None of the mentioned
2057.

Which is the commonly used refresh rate?

A. 125 microseconds
B. 120 microseconds
C. 130 microseconds
D. 135 microseconds
Answer» B. 120 microseconds
2058.

Wafer preparation takes place in

A. first-level metal phase
B. second-level metal phase
C. encapsulation phase
D. ion implantation phase
Answer» D. ion implantation phase
2059.

Which of the following compound come(s) under Sulfoethylating agents?

A. Hydroxy sulfonic acid
B. Chloro sulfonic acid
C. Ethylenesulfonic acid
D. All of the mentioned
Answer» E.
2060.

The points at which derivatives of all the state variables are zero are:

A. Singular points
B. Nonsingular points
C. Poles
D. Zeros
Answer» B. Nonsingular points
2061.

The advantage of making processed cheese is?

A. Better taste
B. Marketing
C. Extended shelf-life
D. Non uniformity
Answer» D. Non uniformity
2062.

The response of the smoothing linear spatial filter is/are __________

A. Sum of image pixel in the neighborhood filter mask
B. Difference of image in the neighborhood filter mask
C. Product of pixel in the neighborhood filter mask
D. Average of pixels in the neighborhood of filter mask
Answer» E.
2063.

The behaviour of the material is generally determined by its mechanical properties.

A. True
B. False
Answer» B. False
2064.

Which of the following is not one among the three major kinds of obstacles of chaining?

A. obstacles to ranging
B. obstacles to chaining
C. obstacles to levelling
D. obstacles to ranging and chaining
Answer» D. obstacles to ranging and chaining
2065.

How many primary techniques are there which are used in PCA?

A. 3
B. 2
C. 4
D. 5
Answer» B. 2
2066.

In liquid cooling, the liquid becomes heated in its passage through the jackets and is itself cooled by means of an air-cooled radiator system.

A. True
B. False
Answer» B. False
2067.

Vertical pump uses _______

A. Draft tube
B. Throttle bush
C. Stuffing box
D. Interlining
Answer» C. Stuffing box
2068.

The speed of a DC motor can be varied by changing ______________

A. Field current
B. Applied voltage
C. Resistance in series with armature
D. Field current, applied voltage or resistance in series with armature any method will work
Answer» E.
2069.

What is the Reynolds number range when the drag coefficient formula is 10/(Rep)^0.5?

A. Rep < 0.4
B. 0.4 < Rep < 500
C. 500 < Rep < 200,000
D. None of the mentioned
Answer» C. 500 < Rep < 200,000
2070.

A body having similar properties throughout its volume is said to be___

A. Isotropic
B. Homogeneous
C. Continuous
D. Uniform
Answer» C. Continuous
2071.

Find the value of C2 in question 1.

A. 1
B. 1/2
C. 1/3
D. 1/4
Answer» B. 1/2
2072.

In the calculations of moments of inertia for an area about inclined axis we use the product of a moment of inertia. It is the the sum of _____________ and _________________

A. Area and volume
B. Volume and linear distance
C. Moment of inertia at centroid and the product of the area and del dx and del dy
D. Moment of inertia at base and the product of the area and del dx and del dy
Answer» E.
2073.

Two successive translations are not commutative.

A. True
B. False
Answer» C.
2074.

Air-Preheater in a steam power plant_____________

A. Recovers the heat from the flue gases leaving the economiser.
B. Improves combustion rate.
C. Raises the temperature of the furnace gases.
D. All of the mentioned
Answer» E.
2075.

A* algorithm is based on

A. Breadth-First-Search
B. Depth-First –Search
C. Best-First-Search
D. Hill climbing
Answer» D. Hill climbing
2076.

Select the incorrect statement about Snap from the following options.

A. It is the smallest invisible distance of increment that can be set for the mouse
B. If it is set ON, the mouse moves in steps of the set increment
C. If it is set OFF, the mouse cannot move to any intermediate point between the dots of the grid
D. Function key F9 is used to make Snap on/off
Answer» D. Function key F9 is used to make Snap on/off
2077.

Any color of any brightness could then be plotted on a 3—dimensional coordinate system, sometimes known as a __________$

A. Color space
B. Dimensions
C. String
D. Munsell
Answer» B. Dimensions
2078.

Which of the following gives the sum of the first n natural numbers?

A. nC2
B. (n-1)C2
C. (n+1)C2
D. none of the mentioned
Answer» D. none of the mentioned
2079.

Euler critical load for column with both the ends hinged is given by

A. P<sub>cr</sub> = 2π<sup>2</sup>EI/L<sup>2</sup>
B. P<sub>cr</sub>= π<sup>2</sup>EIL<sup>2</sup>
C. P<sub>cr</sub> = 2π<sup>2</sup>EIL<sup>2</sup>
D. P<sub>cr</sub> = π<sup>2</sup>EI/L<sup>2</sup>
Answer» E.
2080.

Nerve cell does not divide because they do not have___________

A. Nucleus
B. Centrosome
C. Golgi body
D. Mitochondria
Answer» C. Golgi body
2081.

Which of the following organization launched an Education for Sustainable Development program?

A. Indian Forest Department
B. Indian Environment Conservation
C. WWF-India
D. Indian Pollution Board
Answer» D. Indian Pollution Board
2082.

A proposal is a medium aimed at ______

A. instruction
B. persuasion
C. prevention
D. advice
Answer» C. prevention
2083.

What is numerical taxonomy?

A. Determine phenetic relationships among organisms
B. Determine phylogenetic relationships
C. Determine numbers of phylogenetic tree
D. Determine evolutionary tree on the number of genus
Answer» B. Determine phylogenetic relationships
2084.

In aluminum _________ planes are only active slip planes at low temperature.

A. {1 1 1}
B. {1 0 0}
C. {1 1 2}
D. {1 1 0}
Answer» B. {1 0 0}
2085.

The first byte of an absolute jump instruction consists of

A. 3 LSBs of opcode and 5 MSBs of 11-bit address
B. 5 MSBs of opcode and 3 LSBs of 11-bit address
C. 6 MSBs of opcode and 1 LSB of 11-bit address
D. 5 LSBs of opcode and 3 MSBs of 11-bit address
Answer» E.
2086.

Distinct texture shown by limestone is

A. Sheeting
B. Lamination
C. Fossiliferous nature
D. Mud cracks
Answer» D. Mud cracks
2087.

In Green Sand Mould, the molten metal is poured while it is in a wet state.

A. True
B. False
Answer» B. False
2088.

A transformer transforms ________________

A. voltage
B. current
C. power
D. frequency
Answer» D. frequency
2089.

The use of bore guide in under-reamed pile foundation is essential for__________

A. To drill the bore hole
B. To provide a support to the pile
C. To keep the bore holes vertical
D. To set the guide assembly in position
Answer» D. To set the guide assembly in position
2090.

How is a blind drilled hole of 15mm diameter and 15mm deep dimensioned?

A. M15, DEEP 15
B. φ15, DEEP 15
C. φ15
D. φ15 x 15
Answer» C. ‚âà√¨‚àö√∫15
2091.

Insoluble impurities during crystallization are removed by:

A. Decantation
B. Filtration
C. Distillation
D. Fractional crystallization
Answer» C. Distillation
2092.

The binary protocol does not support all statements.

A. True
B. False
Answer» B. False
2093.

One molecule of hemoglobin carries ___________molecules of oxygen.

A. 4
B. 3
C. 2
D. 1
Answer» B. 3
2094.

Which of the following is immiscible in water?

A. Perchloro ethelyne
B. Ethanol
C. Acetone
D. All of the mentioned
Answer» B. Ethanol
2095.

The bandpass signal is called the modulating signal.

A. True
B. False
Answer» C.
2096.

Time of flight mass spectrometer has an unlimited mass range.

A. True
B. False
Answer» B. False
2097.

For co-expression of proteins, it is possible to have several independent sets of promoters and other signals in a single vector. Is the given statement true or false?

A. True
B. False
Answer» B. False
2098.

The intrinsic impedance is defined as the ratio of the magnetic field to the electric field of the electromagnetic wave. State true/false

A. True
B. False
Answer» C.
2099.

State whether it is true or false- Broad scale mapping can be done using transformation?

A. True
B. False
Answer» C.
2100.

A workflow engine lets you model the process in a higher-level form:-

A. XML
B. Use Case
C. UML
D. All of the mentioned
Answer» D. All of the mentioned