Online Civil Engineering Test - Civil Engineering Test - Random

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Total number of questions: 20.
Time allotted: 30 minutes.
Each question carries 1 mark; there are no negative marks.
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Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than

30 m

25 m

20 m

15 m

[#]

If a 30 m chain diverges through a perpendicular distance d from its correct alignment, the error in length, is

[#]

Pick up the correct statement from the following :

in the earth's magnetic field, a magnetic needle rests in magnetic meridian

the angle between the true meridian and the magnetic meridian is called magnetic variation

one end of the magnetic needle supported at its centre of gravity tends to dip down towards the. nearer magnetic pole of the earth

the magnet properly pivoted is balanced by means of riding weight movable along the needle

all the above.

[#]

A coarse-grained soil has a voids ratio 0.75, and specific gravity as 2.75. The critical gradient at which quick sand condition occurs, is

0.25

0.50

0.75

1.00

[#]

The minimum depth of building foundations on

sandy soils is 80 cm to 100 cm

clay soils is 90 cm to 160 cm

rocky soils is 5 cm to 50 cm

all the above.

[#]

If the width of a simply supported beam carrying an isolated load at its centre is doubled, the deflection of the beam at the centre is changed by

2 times

4 times

8 times

1/2 times

3 times.

[#]

The ratio of the flexural strengths of two square beams one placed with its two sides horizontal and the other placed with one diagonal vertical, diagonal, is

[#]

The maximum tensile and compressive bending stress in extreme fibres of rolled I-sections and channels on the effective section, is

1500 kg/cm²

1420 kg/cm²

1650 kg/cm²

2285 kg/cm²

[#]

The gross section of the web of a beam is defined as

depth of the beam multiplied by its web thickness

width of the flange multiplied by its web thickness

sum of the flange width and depth of the beam multiplied by the web thickness

none of these.

[#]

10.

Fundamental momentum equation for a hydraulic jump, is

[#]

11.

The type of transition curves generally provided on hill roads, is

circular

cubic parabola

Lemniscate

spiral.

[#]

12.

If the coefficient of friction on the road surface is 0.15 and a maximum super-elevation 1 in 15 is provided, the maximum speed of the vehicles on a curve of 100 metre radius, is

32.44 km/hour

42.44 kg/hour

52.44 km/hour

62.44 km/hour

72.44 km/hour

[#]

13.

Round-abouts are not suitable if number of vehicles exceed

3000

4000

5000

6000

[#]

14.

An exceptional grade may be provided upto 1 in 12 along hill roads, if the length does not exceed

45 m per km

60 m per km

75 m per km

90 m per km

100 m per km

[#]

15.

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

1°

2°

3°

4°

6°

[#]

16.

For an effective administration, Indian railway system has been divided into

four railway zones

six railway zones

seven railway zones

eight railway zones

nine railway zones.

[#]

17.

From the end of an instrumental runway, the approach surface rises outwards

1 in 20

1 in 30

1 in 40

1 in 50

[#]

18.

R.M.O. expenses include

running expenses

maintenance expenses

operation expenses

all the above.

[#]

19.

De-chlorination is followed by

post-chlorination

pre-chlorination

double-chlorination

super-chlorination.

[#]

20.

If a circular shaft is subjected to a torque T and a bending moment 'M' the ratio of the maximum shear stress to the maximum bending stress is given by :

2M/T

T/2M

2T/M

M/2T

[#]

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Online Civil Engineering Test - Civil Engineering Test - Random

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