Civil Engineering - Online Test
Q1. A linear relationship is observed between speed and density on a certain section
of a highway. The free flow is speed is observed to be 80 km per hour and the
jam density is estimated as 100 vehicles per km length. Based on the above
relationship, the maximum flow expected on this section and the speed at the
maximum flow will respected be
Answer : Option D
Explaination / Solution:
No Explaination.
Q2. The focal length of the object glass of a tacheometer is 200 mm, the distance
between the vertical axis of the tacheometer and the optical centre of the object
glass is 100 mm and the spacing between the upper and lower line of the diagram
axis is 4 mm. With the line of collimation perfectly horizontal, the staff intercepts
are 1 m (top), 2m (middle), and 3 m (bottom). The horizontal distance (m)
between the staff and the instrument station is
Answer : Option A
Explaination / Solution:
No Explaination.
Q3. In a setting chamber, what is the minimum dimension of particle which can be
completely removed, if rate of overflow is 30m3 / d / m2 . Take G = 2.65; µ = 1×10-5 Ns /m2
Answer : Option B
Explaination / Solution:
Q4. If σh, σv, σh and σv represent the total horizontal stress, total vertical stress,
effective horizontal stress and effective vertical stress on a soil element, respectively,
the coefficient of earth pressure at rest is given by
Answer : Option B
Explaination / Solution:
No Explaination.
Q5. Consider a function f(x) = 1 - |x| on -1 ≤ x ≤ 1. The value of x at which the function attains a maximum, and the maximum value of function are:
Answer : Option C
Explaination / Solution:
Q6. Particulate matter (fly ash) carried in effluent gases from the furnaces burning
fossil fuels are better removed by
Answer : Option B
Explaination / Solution:
No Explaination.
Q7. In a pre-stressed concrete beam section shown in the figure, the net loss is 10% and the final prestressing
force applied at X is 750 kN. The initial fiber stresses (in N/mm2 ) at the top and bottom
of the beam were:
Answer : Option D
Explaination / Solution:
Loss = 10% 
Find force = 750 kN
Initial force = 750/0.9 = 833.33kN
Top & Bottom stress = P/A ± m/z
Top = -4.166 (T)
Bottom = 20.833 (C)
Q8. A road is provided with a horizontal circular curve having deflection angle of 55o and centre line radius of 250 m. A transition curve is to be provided at each end
of the circular curve of such a length that the rate of gain of radial acceleration
is 0.3 m/s3 at a speed of 50 km per hour. Length of the transition curve required
at each of the ends is
Answer : Option C
Explaination / Solution:
No Explaination.
Q9. A light house of 120 m height is just visible above the horizon from a ship. The
correct distance (m) between the ship and the light house considering combined
correction for curvature and refraction, is
Answer : Option D
Explaination / Solution:
No Explaination.
Q10. A watershed got transformed from rural to urban over a period of time. The effect of urbanization on storm runoff hydrograph from the watershed is to
Answer : Option C
Explaination / Solution:
No Explaination.
