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.

951.

FMS refers to ___________

A. Fuel management systems
B. Fare management systems
C. Flight management systems
D. Flight managing systems
Answer» D. Flight managing systems
952.

Which of the following is a data transfer standard for aircraft avionics?

A. IEEE 1394b
B. ARINC 664
C. MIL-STD-1760
D. ARINC 429
Answer» E.
953.

ARINC 708 is a type of ___________

A. Weather radar
B. Satellite
C. Sensor
D. Altimeter
Answer» B. Satellite
954.

Which of the following organizations regulates the safety and reliability standards of avionic and other aircraft equipment, in the USA?

A. DGCA
B. FBI
C. NASA
D. FAA
Answer» C. NASA
955.

Which of the following is not true about LORAN?

A. Expensive
B. Stands for Long Range Navigation
C. Operated at higher frequencies
D. Range up to 1,500 miles
Answer» D. Range up to 1,500 miles
956.

What is the full form of WAAS?

A. Wide Area Aircraft System
B. Wide Area Augmentation System
C. Wide Aircraft Augmentation System
D. Wide Air Augmentation System
Answer» C. Wide Aircraft Augmentation System
957.

In the following three-dimensional modelling techniques, Which do not require much computer time and memory?

A. Surface modelling
B. Solid modelling
C. Wireframe modelling
D. All of the mentioned
Answer» D. All of the mentioned
958.

In the following geometric modelling techniques which are not three-dimensional modelling?

A. Wireframe modelling
B. Drafting
C. Surface modelling
D. Solid modelling
Answer» C. Surface modelling
959.

The following is not a graphics standard:

A. GKS
B. IGBS
C. UNIX
D. PHIGS
Answer» D. PHIGS
960.

Thumbwheels are usually mounted on:

A. Keyboard
B. Monitor
C. CPU
D. Mouse
Answer» C. CPU
961.

To what radius a silver strip 200 mm wide and 40 mm thick can be bent if the maximum stress in the ship is 80 N/mm2. Young’s modulus for Silver is 80×103 N/mm2.

A. 20m
B. 30m
C. 15m
D. 35m
Answer» B. 30m
962.

The specific gravity of sand is __________

A. 2.8
B. 2.25
C. 3.2
D. 2.65
Answer» E.
963.

________ joints are necessary to keep a structure safe against shrinkage.

A. Construction
B. Functional
C. Transverse
D. Longitudinal
Answer» C. Transverse
964.

Revert size is generally expressed in terms of _______

A. Shank width
B. Girder length
C. Lap length
D. Shank diameter
Answer» E.
965.

Materials exhibiting time bound behaviour are known as _______

A. Isentropic
B. Reactive
C. Fissile
D. Visco elastic
Answer» E.
966.

Calculate the Strain energy that can be stored in a body to be pulled with 100 N/mm2 stress (f) and E = 2×105 N/mm2.

A. 0.9 kNm
B. 0.05kNm
C. 0.87kNm
D. 0.54kNm
Answer» C. 0.87kNm
967.

Principal plane has ____________

A. Maximum shear stress
B. Maximum tensile stress
C. Zero shear stress
D. Minimum bending stress
Answer» D. Minimum bending stress
968.

A body having similar properties throughout its volume is said to be _____________

A. Isotropic
B. Homogeneous
C. Continuous
D. Uniform
Answer» C. Continuous
969.

Unsymmetrical bending occurs due to ______

A. The Beam cross section is unsymmetrical
B. The shear Centre does not coincide with the neutral axis
C. The Beam is subjected to trust in addition to bending moment
D. The bending moment diagram is unsymmetrical
Answer» E.
970.

Epoxy – acrylate requires SO2 for curing.

A. True
B. False
Answer» B. False
971.

In the given figure, polyacrylate – CO2 cured, has what kind of a performance in transverse strength?

A. Good performance
B. Moderate performance
C. Poor performance
D. Did not perform
Answer» D. Did not perform
972.

In the given figure, alkaline phenolic – CO2 cured has what kind of a performance in transverse strength?

A. Good performance
B. Moderate performance
C. Poor performance
D. Did not perform
Answer» D. Did not perform
973.

In the given figure, alkaline-phenolic has what kind of a performance in transverse strength?

A. Good performance
B. Moderate performance
C. Poor performance
D. Did not perform
Answer» C. Poor performance
974.

In the given figure, novalak-acid has what kind of a performance in transverse strength?

A. Good performance
B. Moderate performance
C. Poor performance
D. Did not perform
Answer» B. Moderate performance
975.

In the given figure, Epoxy-acrylate has what kind of a performance in transverse strength?

A. Good performance
B. Moderate performance
C. Poor performance
D. Did not perform
Answer» B. Moderate performance
976.

In the given figure, phenolic urethane has what kind of a performance in transverse strength?

A. Good performance
B. Moderate performance
C. Poor performance
D. Did not perform
Answer» B. Moderate performance
977.

Which of the following is not a casting performance of phenolic – urethane cores?

A. Moderate hot strength
B. Good hardenability
C. Surface finish
D. Low nitrogen level
Answer» C. Surface finish
978.

The novalak – acid system needs what temperature conditions?

A. 15°C – 25°C
B. 25°C – 35°C
C. 35°C – 45°C
D. 45°C – 55°C
Answer» D. 45°C – 55°C
979.

Which of the following is produced by Novalak – acid system?

A. Ketone
B. Carboxylic acid
C. Ester
D. Aldehyde
Answer» E.
980.

An advanced type of reconfigurable OTN is referred to as an _______________

A. Automatic OTN
B. Auto-generated photon
C. Automatically switched optical network
D. Optical reimbursement
Answer» D. Optical reimbursement
981.

In order to access for end-to-end networking of optical channels to transparently convey information, the _____________ is employed in the OTN structure.

A. Presentation layer
B. Session layer
C. OPU
D. OCh layer
Answer» E.
982.

The physical layer is located at the bottom of the OSI model.

A. True
B. False
Answer» B. False
983.

The network layer looks after the flow and error control mechanism.

A. True
B. False
Answer» C.
984.

The ____________ controls the dialogs between intelligent devices.

A. Physical layer
B. Transport layer
C. Application layer
D. Session layer
Answer» E.
985.

The standardization towards a synchronous optical network termed SONET commenced in US in _______

A. 1985
B. 1887
C. 2001
D. 1986
Answer» B. 1887
986.

The bit stuffing in the plesiochronous digital hierarchy is complex and uneconomic.

A. False
B. True
Answer» C.
987.

Electrical devices in optical network are basically used for _____________

A. Signal degradation
B. Node transfer
C. Signal control
D. Amplification
Answer» D. Amplification
988.

The probability of the error in a transmitted block _________ with the length of the block

A. Remains same
B. Decreases
C. Increases
D. Is not proportional
Answer» D. Is not proportional
989.

During datagram switching, the packets are placed in __________ to wait until the given transmission line becomes available.

A. Stack
B. Queue
C. Hash
D. Routing table
Answer» C. Hash
990.

Which of the following remains same in the header of the packet in a datagram network during the entire journey of the packet?

A. Destination address
B. Source address
C. Checksum
D. Padding
Answer» B. Source address
991.

The main contents of the routing table in datagram networks are ___________

A. Source and Destination address
B. Destination address and Output port
C. Source address and Output port
D. Input port and Output port
Answer» C. Source address and Output port
992.

The improved coupling in case of welding of high reflectivity materials using twin beam lasers is due to _____

A. surface rippling
B. surface tension
C. surface smoothness
D. surface area
Answer» B. surface tension
993.

Which of the following lasers is suitable for welding of components made of aluminium?

A. Nd-YAG laser
B. Dye laser
C. Combination of CO and Excimer lasers
D. Combination of ruby and CO2 lasers
Answer» D. Combination of ruby and CO2 lasers
994.

At high speeds, undercut occurs.

A. True
B. False
Answer» B. False
995.

At slow speeds, smaller pool is formed.

A. True
B. False
Answer» C.
996.

_____ is advantageous for CO2 lasers.

A. High reflectivity
B. High absorptivity
C. Low reflectivity with short wave length
D. Low absorptivity with high wave length
Answer» D. Low absorptivity with high wave length
997.

Weld bead quality and the penetration are functions of _____

A. shroud gas velocity
B. material of the component
C. wavelength of the laser beam
D. power
Answer» E.
998.

What is the evaluation function in A* approach?

A. Heuristic function
B. Path cost from start node to current node
C. Path cost from start node to current node + Heuristic cost
D. Average of Path cost from start node to current node and Heuristic cost
Answer» D. Average of Path cost from start node to current node and Heuristic cost
999.

What is the space complexity of Greedy search?

A. O(b)
B. O(bl)
C. O(m)
D. O(bm)
Answer» E.
1000.

What is the evaluation function in greedy approach?

A. Heuristic function
B. Path cost from start node to current node
C. Path cost from start node to current node + Heuristic cost
D. Average of Path cost from start node to current node and Heuristic cost
Answer» B. Path cost from start node to current node