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.

1351.

What is one of the reason for poor fluidization beds in terms of pressure drop?

A. Slugging
B. Low velocity
C. Light particles
D. All of the mentioned
Answer» B. Low velocity
1352.

What is the value of ‘a’ in a delta iron lattice?#

A. 2.00 √Ö
B. 2.93 √Ö
C. 4.00 √Ö
D. 4.93 √Ö
Answer» C. 4.00 ‚Äö√†√∂‚àö√±
1353.

USM has low material removal rate?

A. True
B. False
Answer» B. False
1354.

What is the full form of NAMP?

A. National Air Quality Monitoring Program
B. National Air Quality Measuring Program
C. National Air Quantity Monitoring Program
D. National Air Quality Monitoring Protocol
Answer» B. National Air Quality Measuring Program
1355.

Which of the following is a function of CASE Tool?

A. Supporting Structured analysis and design (SA/SD)
B. Maintaining the data dictionary
C. Checking whether DFDs are balanced or not
D. All of the mentioned
Answer» B. Maintaining the data dictionary
1356.

During the state of shear failure, which of the following principal stress relationship exist?

A. σ 1= σ tan α + 2c tan α
B. σ1 = σ3 tan2 α + 2c tan α
C. σ1 = 2c tan α
D. σ1 = σ3 tan α
Answer» C. ‚âà√¨‚àö√¢1 = 2c tan ‚âà√≠¬¨¬±
1357.

A pseudo prime number i?

A. is a probable prime and is not a prime number
B. is a prime number
C. does not share any property with prime number
D. none of the mentioned
Answer» B. is a prime number
1358.

Which of the following is not a surface finishing process?

A. Honing
B. Grinding
C. Boring
D. Lapping
Answer» D. Lapping
1359.

Which enzyme is required for the production of glucan?

A. glycosyl transferase
B. glucoisomerase
C. hexokinase
D. glucose-6-phosphatase
Answer» B. glucoisomerase
1360.

A GSM cellular telephone standard requires a minimum of 9 dB rejection of interfering signal levels of -23 dBm at 3 MHz from the carrier, -33 dBm at 1.6 MHz from the carrier, and -43 dBm at 0.6 MHz from the carrier, for a carrier level of -99 dBm. Determine the required local oscillator phase noise at 3 MHz carrier frequency offset?

A. -138 dBc/Hz
B. -128 dBc/Hz
C. -118 dBc/Hz
D. None of the mentioned
Answer» B. -128 dBc/Hz
1361.

In case of ________ it is seen that the allowable bearing pressure on the soil is not exceeded, even under the worst conditions?

A. Withdrawal of moisture from the sub-soil
B. Transpiration of trees and shrubs
C. Unequal settlement of the sub-soil
D. Atmospheric action
Answer» D. Atmospheric action
1362.

The propagation of the electromagnetic waves can be illustrated b?

A. Faraday law
B. Ampere law
C. Flemming rule
D. Coulomb law
Answer» D. Coulomb law
1363.

Which of the unit operations can increase the overall portability?

A. Resource sharing
B. Is-a Decomposition
C. Abstraction
D. All of the mentioned
Answer» D. All of the mentioned
1364.

A newborn infant obtains maternal antibodies from ____________?

A. lanugo
B. rubella
C. colostrum
D. afterbirth
Answer» D. afterbirth
1365.

Finer size pearlite is called ______?

A. Troostite
B. Ledeburite
C. Ferrite
D. Sorbite
Answer» E.
1366.

An organ pipe P1 closed at one end of vibrating in its first harmonic and another pipe P2 open at both ends vibrating in its third harmonic are in resonance with a given tuning fork. The ratio of the length of P1 to that of P2 i?

A. 8/3
B. 3/8
C. 1/6
D. 1/3
Answer» D. 1/3
1367.

If the clone for a gene is obtained on the basis of its position in the gene map, then it is called as?

A. locational cloning
B. positional cloning
C. chromosome walking
D. transposon tagging
Answer» C. chromosome walking
1368.

What is overall flexural buckling?

A. failure occurs by excessive deflection in plane of weaker principal axis
B. failure occurs by excessive deflection in plane of stronger principal axis
C. failure occurs by twisting of member
D. failure caused by seismic load
Answer» B. failure occurs by excessive deflection in plane of stronger principal axis
1369.

Which of the following must be used to isolate the access in the user mode?

A. device driver
B. software driver
C. on-chip memory
D. peripherals
Answer» B. software driver
1370.

Upper bound fault is the fault with detectabilit?

A. 0
B. 1
C. maximum
D. minimum
Answer» C. maximum
1371.

The Liquid phase nitration is of less importance than the gas phase nitration because of ?

A. Low yield
B. Lower conversion
C. Occurrence of unwanted side reactions
D. All of the mentioned
Answer» E.
1372.

Which of the following is advantage for aluminium alloy cylinder block over grey cast iron?

A. density
B. machinability
C. co-efficient of thermal expansion
D. thermal conductivity
Answer» B. machinability
1373.

Out of the following fuels, the difference between the net and gross calorific value is maximum in case o?

A. fuel oil
B. blast furnace gas
C. bituminous coal
D. pitch
Answer» B. blast furnace gas
1374.

Flexibility coefficients are used in which of the following method?

A. force method
B. displacement method
C. both force and displacement method
D. virtual force method
Answer» B. displacement method
1375.

Which of the following has the same characteristic as that of non-inverting amplifier with feedback?

A. Perfect feedback amplifier
B. Voltage follower
C. Perfect voltage amplifier
D. All of the mentioned
Answer» D. All of the mentioned
1376.

The angle between the relative wind and the longitudinal datum line on the fuselage is called as?

A. Flight path angle
B. Glide angle
C. Relative angle
D. Angle of attack
Answer» E.
1377.

Speed of a successive approximation type DVM can be improved by making use of _____?

A. electrical switches
B. mechanical devices
C. solid state devices
D. transformers
Answer» D. transformers
1378.

What is the order of initiation reaction in self-initiated thermal polymerization?

A. 1
B. 2
C. 3
D. none of the mentioned
Answer» C. 3
1379.

Which of the following is correct according to an exclusion principle?

A. Both the organism competing for the resource exist
B. The organism with slowest growth rate will displace the other
C. The organism with fastest growth rate will displace the other
D. Both organism will equally survive
Answer» D. Both organism will equally survive
1380.

The chimney is emitting particulate matter. Which of the following is the correct expression of the height of the chimney? Here ‘Kp’ represents the emission of particulate matter?#

A. HC = 74 K<sub>p</sub><sup>0.27</sup>
B. HC = 14 K<sub>p</sub><sup>0.27</sup>
C. HC = 14 K<sub>p</sub><sup>0.47</sup>
D. HC = 74 K<sub>p</sub><sup>0.33</sup>
Answer» B. HC = 14 K<sub>p</sub><sup>0.27</sup>
1381.

MRR increases with abrasive flow rate increase?

A. True
B. False
Answer» B. False
1382.

Whose interaction with Lex-A facilitates the repressor’s self-cleavage reaction?#

A. Rec-A
B. Rec-B
C. Rec-C
D. Rec-D
Answer» B. Rec-B
1383.

In which of the following, the right hand side of an assignment is a waveform element?

A. Signal
B. Variable
C. Constant
D. Process
Answer» B. Variable
1384.

Reducing the complexity of complex queries by similarly handling sub-queries is known as _____?

A. Complex query handling
B. Multi query optimization
C. Complex query optimization
D. Parametric query optimization
Answer» C. Complex query optimization
1385.

De-rating factor is usually expressed in __________?

A. W/°C
B. °C/W
C. W/s
D. kW/K
Answer» B. ¬¨¬®‚Äö√†√ªC/W
1386.

What is the relation between the output and the flux density?

A. flux density is directly proportional to the output
B. flux density is indirectly proportional to the output
C. flux density is directly proportional to the square of the output
D. flux density is indirectly proportional to the square of the output
Answer» B. flux density is indirectly proportional to the output
1387.

What is the term used for a case where source and sink( both of them are of equal magnitude) approach each other such, distance between them reduces and product of distance and discharge magnitude remains constant?

A. A plain pair
B. A doublet source in uniform
C. Hagen Poiseuille flow
D. Coutte flow
Answer» C. Hagen Poiseuille flow
1388.

In southern blotting ___________ is present in the reservoir?

A. DNA
B. Buffer
C. Gel
D. Agarose
Answer» C. Gel
1389.

In which of the following, a separate schema is created consisting of that attribute and the primary key of the entity set?

A. A many-to-many relationship set
B. A multivalued attribute of an entity set
C. A one-to-many relationship set
D. None of the mentioned
Answer» C. A one-to-many relationship set
1390.

Is change in lift distribution is known as lift section?

A. True
B. False
Answer» B. False
1391.

The tank diameter to liquid ratio usually is ___?

A. 1:1
B. 1:2
C. 2:3
D. 3:4
Answer» B. 1:2
1392.

A blind riser can be placed only in specific positions?

A. True
B. False
Answer» C.
1393.

Which of the following statement about Amplitude Limiter is not true?

A. The circuit is always biased in class C amplifier
B. When the input increases and becomes greater than the threshold of limiting, the gain starts decreasing
C. The output must be tuned
D. Leak-type bias must be used
Answer» B. When the input increases and becomes greater than the threshold of limiting, the gain starts decreasing
1394.

The series combination of the last elements after replacing 1/s and 1/4Ω with 1/(S+4) in the question 6 is?#

A. (3s+4)/2s(s-4)
B. (3s-4)/2s(s-4)
C. (3s+4)/2s(s+4)
D. (3s-4)/2s(s+4)
Answer» D. (3s-4)/2s(s+4)
1395.

What is the major diameter tolerance of effective diameter for external threads?

A. +0.01‚àöp
B. -0.05‚àöp
C. +0.05‚àöp
D. -0.01‚àöp
Answer» D. -0.01‚Äö√Ñ√∂‚àö‚Ć‚àö‚àÇp
1396.

Epoxy adhesives are widely used in ________?

A. Carpentry
B. Plastics
C. Glasses
D. Steel
Answer» B. Plastics
1397.

Which of the following property influences the horizontal alignment of an element, making it “float” toward the left or right margin of its containing element?#

A. float
B. float-left
C. float-right
D. float-align
Answer» E.
1398.

TBCLn provided in each channel is actually ________?

A. a comparator
B. compare latch
C. controller
D. control logic
Answer» C. controller
1399.

If the means for sample 1 to 4 for a process are, 12.67, 22.32, 14.53, 12.11; what value will be the center line of x chart indicating?

A. 15.2
B. 15.4
C. 14.8
D. 14.9
Answer» C. 14.8
1400.

Maximum possible aspect ratio in AJMM is____?

A. 1:2
B. 1.5:3
C. 2:1
D. 3:1
Answer» E.