Explore topic-wise MCQs in Engineering.

This section includes 5814 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.

51.

A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm2), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is
A. 25 N
B. 30 N
C. 35 N
D. 40 N
Answer» D. 40 N
Discussion
52.

If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good
A. <img src="/_files/images/civil-engineering/theory-of-structures/83-21-28-1.png">
B. <img src="/_files/images/civil-engineering/theory-of-structures/83-21-28-2u.png">
C. <img src="/_files/images/civil-engineering/theory-of-structures/83-21-28-3.png">
D. all the above.
Answer» E.
Discussion
53.

There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of
A. 1 : 1 1/2 : 2
B. 2 : 1 1/2 : 1
C. 1 : 1 : 2
D. none of these.
Answer» D. none of these.
Discussion
54.

If the total float and duration of an activity are 5 and 10 days respectively, the particular activity can be
A. started 5 days later
B. completed 5 days later
C. performed at slower rate in 15 days
D. all the above.
Answer» E.
Discussion
55.

The object of technical planning, is
A. preparation of specifications
B. preparation of estimates
C. initiating the procurement action of resources
D. taking remedial action for likely bottleneck in the execution
E. all the above.
Answer» F.
Discussion
56.

If TL is the latest allowable event occurrence time, total activity slack(s), is equal to
A. <i>LST-EST</i>
B. <i>LFT-EFT</i>
C. <i>TL-EFT</i>
D. all the above.
Answer» E.
Discussion
57.

The Overall in-charge of an organisation at the site responsible for the execution of the works, is
A. Executive Engineer
B. Engineer
C. Junior Engineer
D. Sub overseer
E. Assistant Engineer.
Answer» C. Junior Engineer
Discussion
58.

Modular co-ordination of construction means proper
A. planning
B. designing
C. execution
D. all the above.
Answer» E.
Discussion
59.

A load of 1960 N is raised at the end of a steel wire. The minimum diameter of the wire so that stress in the wire does not exceed 100 N/mm2 is :
A. 4.0 mm
B. 4.5 mm
C. 5.0 mm
D. 5.5 mm
E. 6.0 mm
Answer» D. 5.5 mm
Discussion
60.

The radius of gyration of a section of area A and least moment of inertia I about the centroidal axis, is
A. <img src="/_files/images/civil-engineering/theory-of-structures/86-21-62-1.png">
B. <img src="/_files/images/civil-engineering/theory-of-structures/86-21-62-2.png">
C. <img src="/_files/images/civil-engineering/theory-of-structures/86-21-62-3.png">
D. <img src="/_files/images/civil-engineering/theory-of-structures/86-21-62-4.png">
Answer» D. <img src="/_files/images/civil-engineering/theory-of-structures/86-21-62-4.png">
Discussion
61.

In plastic analysis, the shape factor for rectangular section, is
A. 1.4
B. 1.5
C. 1.6
D. 1.7
Answer» C. 1.6
Discussion
62.

CPM is
A. synthesising in concepts
B. is built of activities oriented programme
C. is based on time estimate
D. is used for repetitive works
E. all the above.
Answer» F.
Discussion
63.

Principal planes are subjected to
A. normal stresses only
B. tangential stresses only
C. normal stresses as well as tangential stresses
D. none of these.
Answer» B. tangential stresses only
Discussion
64.

In plastic analysis, the shape factor for a circular section, is
A. 1.5
B. 1.6
C. 1.7
D. 1.75
Answer» D. 1.75
Discussion
65.

A critical ratio scheduling
A. establishes the relative priorities among various activities on a common basis
B. determines the status of each activity
C. adjusts automatically changes in activity progress
D. is a dynamic system
E. none of these.
Answer» F.
Discussion
66.

The first method invented for planning projects, was
A. Bar chart method
B. Milestone chart
C. Critical path method (CPM)
D. Programme Evaluation and Review Technique (PERT)
Answer» B. Milestone chart
Discussion
67.

An Executive Engineer may have powers upto
A. Rs. 25,000
B. Rs. 50,000
C. Rs. 100,000
D. Rs. 200,000
E. Rs. 500,000
Answer» B. Rs. 50,000
Discussion
68.

"An Electromagnetic wave falls on to a boundary between two loss less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media". This phenomenon is known as :
A. Fresnel reflection
B. Fresnel refraction
C. Snell's law
D. None of these
Answer» B. Fresnel refraction
Discussion
69.

Remote sensing techniques makes use of the properties of-----emitted, reflected or diffracted by the sensed objects:
A. electric waves
B. soundwaves
C. electromagnetic waves
D. wind waves
Answer» D. wind waves
Discussion
70.

The value of energy quantum for radiation of any frequency is proportional to :
A. the frequency
B. the reciprocal of the energy
C. the square of the frequency
D. the square root of the frequency
Answer» B. the reciprocal of the energy
Discussion
71.

The phase difference of the waves 1 and 2 at A in the given figure is :
A. /4
B. /2
C.
D. 3 /2
Answer» C.
Discussion
72.

The basic requirement of any sensor system, is :
A. radiometric resolution
B. spatial resolution
C. spectral resolution
D. temporal resolution
E. All of these
Answer» F.
Discussion
73.

Henry Gantt developed Bar charts for planning and scheduling of projects in
A. 1880
B. 1900
C. 1920
D. 1940
E. 1950
Answer» C. 1920
Discussion
74.

Leaf reflactance depends primarily on :
A. the pigments
B. internal cell structure
C. equivalent water content
D. All of these
Answer» E.
Discussion
75.

The time by which activity completion time can be delayed without affecting the start of succeeding activities, is known as
A. duration
B. total flat
C. free float
D. interfering float.
Answer» D. interfering float.
Discussion
76.

The artificial activity which indicates that an activity following it, cannot be started unless the preceding activity is complete, is known as
A. event
B. free float
C. dummy
D. constant
Answer» D. constant
Discussion
77.

The reflection of solar energy is characterised by the water content in the leaf, in the reflective optical infrared:
A. visible (0.4 - 0.7 m) region
B. near-IR (0.7 - 1.3 m) region
C. short wave-IR (1.3 - 2.7 m) region
D. None of these
Answer» D. None of these
Discussion
78.

A reduction of nitrogen nutrient in plants :
A. affects leaf colour
B. reduces pigment concentration
C. increase the visible reflectivity
D. All of these
Answer» E.
Discussion
79.

Which one of the following parameters is considered to determine the reflectance of a vegetation canopy
A. Solar zenith angle
B. Azimuth angle
C. Look angle
D. Number and arrangement of leaves
E. All of these
Answer» F.
Discussion
80.

The most widely used antenna in GPS is
A. Parabolid antenna
B. Microstrip antenna
C. Horn antenna
D. Slotted antenna
Answer» C. Horn antenna
Discussion
81.

Which one of the following residual biases involves the GPS accuracy ?
A. Satellite dependent baises due to uncertainty in the orbital parameters of the satellite.
B. Receiver-depandent biases due to clock stability with line
C. Signal propagation baises due to the sphere and troposphere propogation.
D. All the above
Answer» E.
Discussion
82.

Which one of the following statements regarding remote sensing is correct.
A. The interaction of the electromagnetic radiation with the target
B. The emission of electromagnetic radiation from the target
C. both (a) and (b)
D. Neither (a) nor (b)
Answer» D. Neither (a) nor (b)
Discussion
83.

Pick up the correct definition from the following with response to GIS.
A. Common boundry between two areas of a locality is known as adjacency.
B. The area features which are wholly contained within another area feature, is known so containment.
C. The geometric property which describes the linkage between line features is defined as connectivity.
D. All of these.
Answer» E.
Discussion
84.

Which one the following is a correct statement?
A. The vertical section of the soil extending into the parent material, is called profile
B. The layers of the soil parallel to the earth surface, are called horizons.
C. The transitional layer between two adjoining horizons, is called boundary.
D. All of these
Answer» E.
Discussion
85.

The coherence length over which there is a strong relationship between amplitudes is;
A. directly proportional to the bandwidth
B. inversely proportional to the bandwidth
C. the square of the bandwidth
D. none of these
Answer» C. the square of the bandwidth
Discussion
86.

Which one of the following helps to identify the objects on the earth surface ?
A. atmospheric window
B. signature
C. radiometric error
D. None of these
Answer» C. radiometric error
Discussion
87.

Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings).
A. h > / cos
B. h = /8 cos
C. h > /8 cos
D. h < /8 cos
Answer» D. h < /8 cos
Discussion
88.

The most popular type of organisation used for Civil Engineering Constructions, is
A. line organisation
B. line and staff organisation
C. functional organisation
D. effective organisation.
Answer» B. line and staff organisation
Discussion
89.

The main principle of an organisation, is
A. unity of command
B. cohegency
C. effective control at all levels
D. delegation of authority
E. all the above.
Answer» F.
Discussion
90.

The estimated time required to perform an activity, is known as
A. event
B. dummy
C. duration
D. float.
Answer» D. float.
Discussion
91.

A CPM family includes
A. CPA (Critical Path Analysis)
B. CPP (Critical Path Plotted)
C. MCE (Minimum Cost Expenditure)
D. CPS (Critical Path Scheduling)
E. All the above.
Answer» F.
Discussion
92.

Construction team means
A. an engineer
B. an architect
C. an owner
D. a contractor
E. all the above.
Answer» F.
Discussion
93.

A construction schedule is prepared after collecting
A. number of operations
B. output of labour
C. output of machinery
D. quantity of various items
E. all the above.
Answer» F.
Discussion
94.

If a is the optimistic time, b is the pessimistic time and m is most likely time of an activity, the expected time of the activity, is
A. <img src="/_files/images/civil-engineering/construction-management/74-19-74-1.png">
B. <img src="/_files/images/civil-engineering/construction-management/74-19-74-2.png">
C. <img src="/_files/images/civil-engineering/construction-management/74-19-74-3.png">
D. <img src="/_files/images/civil-engineering/construction-management/74-19-74-4.png">
Answer» D. <img src="/_files/images/civil-engineering/construction-management/74-19-74-4.png">
Discussion
95.

The ratio of maximum shear stress to average shear stress of a circular beam, is
A. <img src="/_files/images/civil-engineering/theory-of-structures/87-21-76-1.png">
B. <img src="/_files/images/civil-engineering/theory-of-structures/87-21-76-2.png">
C. <img src="/_files/images/civil-engineering/theory-of-structures/87-21-76-3.png">
D. <img src="/_files/images/civil-engineering/theory-of-structures/87-21-76-4.png">
Answer» E.
Discussion
96.

Coal ash (or cinder) is used in initial stages of a new construction of railway for
A. wooden sleepers
B. steel sleepers
C. cast iron sleepers
D. none of these.
Answer» B. steel sleepers
Discussion
97.

Works costing less than Rs. 20,000 are treated as
A. projects
B. major projects
C. minor projects
D. all the above.
Answer» D. all the above.
Discussion
98.

A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be,
A. 10 m
B. 12 m
C. 14 m
D. 16 m
E. 18 m
Answer» E. 18 m
Discussion
99.

A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 x 106 kg/cm2, the side of the rod, is
A. 1 cm
B. 1.5 cm
C. 2 cm
D. 2.5 cm
Answer» D. 2.5 cm
Discussion
100.

The maximum deflection due to a uniformly distributed load w/unit length over entire span of a cantilever of length l and of flexural rigidly EI, is
A. <img src="/_files/images/civil-engineering/theory-of-structures/88-21-84-1.png">
B. <img src="/_files/images/civil-engineering/theory-of-structures/88-21-84-2.png">
C. <img src="/_files/images/civil-engineering/theory-of-structures/88-21-84-3.png">
D. <img src="/_files/images/civil-engineering/theory-of-structures/88-21-84-4.png">
Answer» D. <img src="/_files/images/civil-engineering/theory-of-structures/88-21-84-4.png">
Discussion