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.

1.

The performance of a specific task in CPM, is known

A. Dummy
B. Event
C. Activity
D. Contract.
Answer» D. Contract.
Discussion
2.

A Milestone chart

A. shows the interdependencies of various jobs
B. depicts the delay of jobs, if any
C. points outgoing ahead of schedule of jobs, if any
D. none of these.
Answer» E.
Discussion
3.

Which one of the following frequency regions is a part of sun's radiation?

A. Ultraviolet frequency region
B. Visible frequency region
C. Infrared frequency region
D. Radio frequency region
E. All of these
Answer» F.
Discussion
4.

Coherence of two electromagnetic waves takes place if their phase difference is :

A. constant in time
B. constant in space
C. constant in time and space
D. None of these
Answer» D. None of these
Discussion
5.

The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target,

A. reduces the contrast of the image and also its sharpness
B. increases the contrast of the image but reduces the sharpness
C. increases both the contrast and sharpness
D. reduces the contrast but increases the sharpness
Answer» B. increases the contrast of the image but reduces the sharpness
Discussion
6.

The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface, are called :

A. sensonrs
B. passive sensors
C. active sensors
D. None of these
Answer» D. None of these
Discussion
7.

A dummy activity

A. is artificially introduced
B. is represented by a dotted line
C. does not consume time
D. all the above.
Answer» E.
Discussion
8.

If to, tp and tm are the optimistic, pessimistic and most likely time estimates of an activity respectively, the expected time t of the activity will be

A. <img src="/_files/images/civil-engineering/construction-management/73-19-68-1.png">
B. <img src="/_files/images/civil-engineering/construction-management/73-19-68-2.png">
C. <img src="/_files/images/civil-engineering/construction-management/73-19-68-3.png">
D. <img src="/_files/images/civil-engineering/construction-management/73-19-68-4.png">
E. <img src="/_files/images/civil-engineering/construction-management/73-19-68-5.png">
Answer» F.
Discussion
9.

In the given figure, the network of a project represents

A. activity of an excavation of a footing
B. activity of an excavation which starts at event No. 1 and ends at even No. 2
C. activity of excavation which takes 8 units of time
D. none of these.
Answer» D. none of these.
Discussion
10.

Final technical authority of a project lies with

A. Assistant Engineer
B. Executive Engineer
C. Superintending Engineer
D. Chief Engineer.
Answer» E.
Discussion
11.

Various activities of a project, are shown on bar charts by

A. vertical lines
B. horizontal lines
C. dots
D. crosses.
Answer» C. dots
Discussion
12.

Time and progress chart of a construction, is also known as

A. Bar chart
B. Gantt chart
C. Modified Mile stone chart
D. Critical path method chart
E. All the above.
Answer» F.
Discussion
13.

Critical Path Net Work helps an engineer

A. to concentrate his attention on critical activities
B. to divert the resources from non-critical advanced activities to critical activities
C. to be cautious for avoiding any delay in the critical activities to avoid delay of the whole project
D. all the above.
Answer» E.
Discussion
14.

A concentrated load P is supported by the free end of a quadrantal ring AB whose end B is fixed. The ratio of the vertical to horizontal deflections of the end A, is

A.
B. <img src="/_files/images/civil-engineering/theory-of-structures/96-21-174-2.png">
C. <img src="/_files/images/civil-engineering/theory-of-structures/96-21-174-3.png">
D. <img src="/_files/images/civil-engineering/theory-of-structures/96-21-174-4.png">
Answer» C. <img src="/_files/images/civil-engineering/theory-of-structures/96-21-174-3.png">
Discussion
15.

Stress may be defined as

A. force per unit length
B. force per unit volume
C. force per unit area
D. none of these.
Answer» D. none of these.
Discussion
16.

Total strain energy theory for the failure of a material at elastic limit, is known

A. Guest's or Trecas' theory
B. St. Venant's theory
C. Rankine's theory
D. Haig's theory
E. Von Mises's theory.
Answer» E. Von Mises's theory.
Discussion
17.

The refractive index of the ocean water:

A. increases with salinity
B. increases with temperature
C. decreases with salinity
D. decreases with temperature
Answer» B. increases with temperature
Discussion
18.

Electromagnetic radiation :

A. produces a time varying magnetic field and vice versa
B. once generated, remains self-propagat-ing.
C. is capable to travel across space
D. consists of magnetic and electric fields
E. All of these
Answer» F.
Discussion
19.

Pick up the important characteristic of a target which facilitates its identification from the following:

A. spectral variation
B. spatial variation
C. temporal variation
D. polarisation variation
E. All of these
Answer» F.
Discussion
20.

The technique for establishing and maintaining priorities among the various jobs of a project, is known

A. Event flow scheduling technique
B. Critical ratio scheduling
C. Slotting technique for scheduling
D. Short interval scheduling.
Answer» C. Slotting technique for scheduling
Discussion
21.

Mile Stone charts were invented in the year of

A. 1910
B. 1920
C. 1930
D. 1940
E. 1950
Answer» E. 1950
Discussion
22.

Frederick W. Taylor introduced a system of working known as

A. line organisation
B. line and staff organisation
C. functional organisation
D. effective organisation.
Answer» D. effective organisation.
Discussion
23.

The shape factor of standard rolled beam section varies from

A. 1.10 to 1.20
B. 1.20 to 1.30
C. 1.30 to 1.40
D. 1.40 to 1.50
Answer» B. 1.20 to 1.30
Discussion
24.

Shear strain energy theory for the failure of a material at elastic limit, is due to

A. Rankine
B. Guest or Trecas
C. St. Venant
D. Haig
E. Von Mises.
Answer» F.
Discussion
25.

The point of contraflexure is the point where

A. B.M. changes sign
B. B.M. is maximum
C. B.M. is minimum
D. S.F. is zero.
Answer» B. B.M. is maximum
Discussion
26.

The assumption in the theory of bending of beams, is :

A. material is homogeneous
B. material is isotropic
C. Young's modulus is same in tension as well as in compression
D. each layer is independent to expand or to contract
E. all the above.
Answer» F.
Discussion
27.

Wooden sleepers used on the girders of bridges, are generally made of

A. sal
B. chir
C. teak
D. deodar.
Answer» D. deodar.
Discussion
28.

Mr. W. Simms, the consulting Engineer to the Government of India recommended the gauge for Indian railways

A. 1.435 m as adopted in England
B. 1.800 m as per Indian conditions
C. 1.676 m as a compromise gauge
D. 1.000 m as a standard gauge
Answer» D. 1.000 m as a standard gauge
Discussion
29.

If absolute levels of rails at the consecutive axles A, B, and C separated by 1.8 metres are 100.505 m, 100.530 m, and 100.525 m respectively, the unevenness of rails, is

A. 0.065 m
B. 0.055 m
C. 0.045 m
D. 0.035 m
Answer» B. 0.055 m
Discussion
30.

If a 0.7% upgrade meets a 0.65% downgrade at a summit and the permissible rate of change of grade per chain length is 0.10%, the length of the vertical curve, is

A. 10 chains
B. 12 chains
C. 14 chains
D. 16 chains
Answer» D. 16 chains
Discussion
31.

If L1 and L2 are actual and theoretical lengths of a tongue rail, d is heel divergence and t is thickness of tongue rail at toe, the switch angle is

A. <img src="/_files/images/civil-engineering/railways/57-17-125-1.png">
B. <img src="/_files/images/civil-engineering/railways/57-17-125-2.png">
C. <img src="/_files/images/civil-engineering/railways/57-17-125-3.png">
D. <img src="/_files/images/civil-engineering/railways/57-17-125-4.png">
E. <img src="/_files/images/civil-engineering/railways/57-17-125-5.png">
Answer» B. <img src="/_files/images/civil-engineering/railways/57-17-125-2.png">
Discussion
32.

A scissors cross-over consists of

A. two pairs of points, four acute angle crossings and two obtuse angle crossings
B. four pairs of points, four acute angle crossings and four obtuse angle crossings
C. four pairs of points, six acute angle crossings and two obtuse angle crossings
D. two pairs of points, six acute angle crossings and four obtuse angle crossings.
Answer» D. two pairs of points, six acute angle crossings and four obtuse angle crossings.
Discussion
33.

A kink is made in stock rails, ahead of the toe of switch at a distance of

A. 10 cm
B. 15 cm
C. 20 cm
D. 30 cm
Answer» C. 20 cm
Discussion
34.

If L is length of a rail and R is the radius of a curve, the versine h for the curve, is

A. <img src="/_files/images/civil-engineering/railways/52-17-34-1.png">
B. <img src="/_files/images/civil-engineering/railways/52-17-34-2.png">
C. <img src="/_files/images/civil-engineering/railways/52-17-34-3.png">
D. <img src="/_files/images/civil-engineering/railways/52-17-34-4.png">
E. <img src="/_files/images/civil-engineering/railways/52-17-34-5.png">
Answer» D. <img src="/_files/images/civil-engineering/railways/52-17-34-4.png">
Discussion
35.

Overall depth of a dog spike, is

A. 120.6 mm
B. 155.90 mm
C. 135 mm
D. 150 mm
E. none of these.
Answer» B. 155.90 mm
Discussion
36.

For calculating the allowable stress of long columns. The empirical formula , is known as

A. Straight line formula
B. Parabolic formula
C. Perry's formula
D. Rankine's formula.
Answer» B. Parabolic formula
Discussion
37.

Rails are bent to correct curvature if the degree of curve, is more than

A. 1
B. 2
C. 3
D. 4
E. 6
Answer» E. 6
Discussion
38.

A material is said to be perfectly elastic if

A. it regains its original shape on removal of the load
B. It regains its original shape partially on removal of the load
C. it does not regain its original shape at all
D. none of these.
Answer» B. It regains its original shape partially on removal of the load
Discussion
39.

In case of a simply supported rectangular beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is

A. <img src="/_files/images/civil-engineering/theory-of-structures/97-21-185-1.png">
B. <img src="/_files/images/civil-engineering/theory-of-structures/97-21-185-2.png">
C. <img src="/_files/images/civil-engineering/theory-of-structures/97-21-185-3.png">
D. <img src="/_files/images/civil-engineering/theory-of-structures/97-21-185-4.png">
E. <img src="/_files/images/civil-engineering/theory-of-structures/97-21-185-5.png">
Answer» C. <img src="/_files/images/civil-engineering/theory-of-structures/97-21-185-3.png">
Discussion
40.

For determining the support reactions at A and B of a three hinged arch, points B and C are joined and produced to intersect the load line at D and a line parallel to the load line through A at D'. Distances AD, DD' and AD' when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is

A. 30
B. 45
C. 60
D. 90
Answer» E.
Discussion
41.

Pick up the incorrect statement from the following : The torsional resistance of a shaft is directly proportional to

A. modulus of rigidity
B. angle of twist
C. reciprocal of the length of the shaft
D. moment of inertia of the shaft section.
Answer» E.
Discussion
42.

Beams composed of more than one material, rigidly connected together so as to behave as one piece, are known as

A. Compound beams
B. Indeterminate beams
C. Determinate beams
D. Composite beams.
Answer» E.
Discussion
43.

The maximum magnitude of shear stress due to shear force F on a rectangular section of area A at the neutral axis, is

A. <img src="/_files/images/civil-engineering/theory-of-structures/87-21-74-1.png">
B. <img src="/_files/images/civil-engineering/theory-of-structures/87-21-74-2.png">
C. <img src="/_files/images/civil-engineering/theory-of-structures/87-21-74-3.png">
D. <img src="/_files/images/civil-engineering/theory-of-structures/87-21-74-4.png">
Answer» D. <img src="/_files/images/civil-engineering/theory-of-structures/87-21-74-4.png">
Discussion
44.

The first Indian railway was laid in

A. 1775
B. 1804
C. 1825
D. 1853
E. 1876
Answer» E. 1876
Discussion
45.

The weight of the rails depends upon

A. gauge of the tracks
B. speed of trains
C. spacing of sleepers
D. nature of traffic
E. all the above.
Answer» F.
Discussion
46.

In plastic analysis, the shape factor for a triangular section, is

A. 1.5
B. 1.34
C. 2.34
D. 2.5
Answer» D. 2.5
Discussion
47.

The ratio of the deflections of the free end of a cantilever due to an isolated load at l/3rd and 2/3rd of the span, is

A. <img src="/_files/images/civil-engineering/theory-of-structures/88-21-85-1.png">
B. <img src="/_files/images/civil-engineering/theory-of-structures/88-21-85-2.png">
C. <img src="/_files/images/civil-engineering/theory-of-structures/88-21-85-3.png">
D. <img src="/_files/images/civil-engineering/theory-of-structures/88-21-85-4.png">
Answer» C. <img src="/_files/images/civil-engineering/theory-of-structures/88-21-85-3.png">
Discussion
48.

If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following:

A. <i>Q = S + F</i>
B. <i>Q = S - F</i>
C. <i>Q = F - S</i>
D. <i>Q = S x F</i>
E. <img src="/_files/images/civil-engineering/theory-of-structures/97-21-187.png">
Answer» E. <img src="/_files/images/civil-engineering/theory-of-structures/97-21-187.png">
Discussion
49.

Minimum depth of ballast prescribed of B.G. trunk lines of Indian Railways, is

A. 20 cm
B. 15 cm
C. 25 cm
D. 30 cm
E. 35 cm
Answer» D. 30 cm
Discussion
50.

A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is

A. <img src="/_files/images/civil-engineering/theory-of-structures/91-21-123-1.png">
B. <img src="/_files/images/civil-engineering/theory-of-structures/91-21-123-2.png">
C. <img src="/_files/images/civil-engineering/theory-of-structures/91-21-123-3.png">
D. <img src="/_files/images/civil-engineering/theory-of-structures/91-21-123-4.png">
Answer» D. <img src="/_files/images/civil-engineering/theory-of-structures/91-21-123-4.png">
Discussion