Online Civil Engineering Test - Civil Engineering Test - Random

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Total number of questions: 20.
Time allotted: 30 minutes.
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The magnetic bearing of a line is 32° and the magnetic declination is 10° 15' W. The true bearing is

21° 45'

42° 15'

42° 15' W

21° 45' W

[#]

Staff readings on pegs x and y from X station are 1.755 m and 2.850 m, and from station Y on staff head at Y and X are 0.655 m and 1.560 m. If reduced level of X is 105.5 m, the reduced level of Y is

104.0 m

104.5 m

105.0 m

105.5 m

[#]

Resolving power of a telescope depends on

the diameter of the aperture

the pupil aperture of the eye

the diameter of the object glass

all the above.

[#]

Transporting and redepositing soils, is done by

water

glacier

gravity

wind

all the above.

[#]

Pick up the correct statement from the following :

Sidereal time at any instant is equal to the hour angle of the first point of Aries

Local sidereal time of any place is equal to the right ascension of its meridian

Sidereal time is equal to the right ascension of a star at its upper transit

All the above.

[#]

When a rectangular beam is loaded longitudinally, shear develops on

bottom fibre

top fibre

middle fibre

every-horizontal plane.

[#]

A beam is defined as a structural member subjected to

axial loading

transverse loading

axial and transverse loading

none of these.

[#]

Modified moment of inertia of sections with a single web, is equal to moment of inertia of the section about Y-Y axis at the point of maximum bending moment and is multiplied by the ratio of

area of compression flange at the minimum bending moment to the corresponding area at the point of maximum bending moment

area of tension flange at the minimum bending moment of the corresponding area at the point of maximum bending moment

total area of flanges at the maximum bending moment to the corresponding area at the point of maximum bending moment

none of these.

[#]

If D is distance between centres of two parallel tracks of gauge G with entire curved leads and equal angles of crossing, total length of crossover, is

D (4R - 2G - D)

D (3R - 2G -D)

D (3R + 2G - D)

D (4 + 2G - D)

[#]

10.

The shear stress distribution in viscous fluid through a circular pipe is :

maximum at the centre

maximum at the inside of surface

same throughout the section

none of these.

[#]

11.

Most economical section of a circular channel for maximum velocity, is if,

depth of water = 0.810 diameter

hydraulic mean depth = 0.304 diameter

wetted perimeter = 2.245 diameters

all the above.

[#]

12.

Pressure exerted by fully saturated air, is known

partial pressure

vapour pressure

saturation vapour pressure

saturation pressure

[#]

13.

The drop man holes are generally provided in sewers for

industrial areas

large town ships

hilly town ships

cities in plains.

[#]

14.

Pick up the incorrect statement from the following for allowing workers to enter sewers

The particular manhole and one manhole on up stream and one manhole on down stream should remain open for 30 minutes

Proper tests for the presence of poisonous gases must be carried out

The men entering the manhole should be advised to smoke in the sewer

Warning signals should be erected

None of these.

[#]

15.

Raw water treated with only chlorine, is known as

plain chlorination

pre-chlorination

first-chlorination

de-chlorination

none of these.

[#]

16.

The correct prismoidal formula for volume is

D [first area + last area + ∑ Even area + 2 ∑ odd areas]

[first area + last area + 4 ∑ Even area + 2 ∑ odd areas]

[first area + last area + 2 ∑ Even area + 4 ∑ odd areas]

[first area + last area + 2 ∑ Even area + 4 ∑ odd areas].

[#]

17.

A direct runoff hydrograph due to an isolated storm with an effective rainfall of 2 cm was trapezoidal in shape as shown in the below figure. The hydrograph corresponds to a catchment area (in sq. km) of

790.2

599.4

689.5

435.3

[#]

18.

The equation

along a stream line holds true for :

steady, frictionless, compressible fluid

steady, uniform, incompressible fluid

steady, frictionless, incompressible fluid

unsteady incompressible fluid

[#]

19.

A hollow steel shaft of external diameter 100 mm and internal diameter 50 mm is to be replaced by a solid alloy shaft. Assuming the same value of polar modulus for both, the diameter of the solid alloy shaft will be

10 x ³9375 mm

10 x ³9375 x 10 mm

³9375 mm

[#]

20.

The elements that are normally subjected to combined bending and axial forces are

struts in reinforced concrete members

the members in long span bridges

columns in framed structures

space truss members

[#]

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