Civil Engineering - Online Test
Q1. A function y = 5x2 + 10x is defined over an open interval x = (1,2). Atleast at one
point in this interval, dy/dx is exactly
Answer : Option B
Explaination / Solution:
No Explaination.
Q2. Following statement are made on compacted soil, where DS stands for soil
compaction on Dry Side of OMC and WS stands for soil compacted on Wet Side of
OMC. Identify incorrect statement
Answer : Option C
Explaination / Solution:
No Explaination.
Q3. Elevation and temperature data for places are tabulated below
Based on this data, lapse rate can be referred as
Answer : Option A
Explaination / Solution:
Ambient lapse rate = ((21.25 - 15.70)/(444 - 4))×1000 = 12.6 oC/km[>9.8 oC/km]
When the ambient lapse rate exceeds the adiabatic lapse rate, the ambient lapse
rate is said to be super adiabatic.
Q4. Bearing of the given system is shown below:
Applying correction due to local attraction, the correct bearing of line BC will be
Answer : Option D
Explaination / Solution:
The difference between back bearing and fore bearing of line DE
= 258o 30' -78o 30' = 180o
∴ Station D and E are free from local attraction
Fore bearing of line o EA = 212o 30'
∴Correct back bearing of line EA = 216o 30' - 180o = 36o 30'
Error at A = 31o 45' - 36o 30' = -4o 45'; Hence correction at A = +4o 45'
Correct fore bearing of line AB = 126o 45' + 4o 45' = 131o 30'
Correct back bearing of AB = 131o 30 + 180o = 311o 30'
Error at B = -3o 30'; Correction at B = +3o 30'
Hence correct bearing of BC = 45o 15' + 3o 30' = 48o 45'
Q5. Consider the following statements in the context of cement concrete pavements
I : Warping stresses in cement concrete pavements are saused by the seasonal
variation in temperature.
II : Tie bars are generally provided across transverse joints of cement concrete
pavements.
The correct option evaluating the above statements is
Answer : Option D
Explaination / Solution:
No Explaination.
Q6. Two plates are connected by fillet welds of size 10 mm and subjected to tension, as shown
in the figure. The thickness of each plate is 12 mm. The yield stress and the ultimate
tensile stress of steel are 250 MPa and 410 MPa, respectively. The welding is done in the
workshop (γmw = 1.25).
As per the Limit State Method of IS 800: 2007, the minimum length (rounded off to
the nearest higher multiple of 5 mm) of each weld to transmit a force P equal to 270
kN (factored) is
Answer : Option B
Explaination / Solution:
Maximum force carried by plates,
Load carried by each weld = P/2 = 136.36kN
For minimum length of weld,
Strength of weld=Load carried by weld
Q7. A crest vertical curve joins two gradients of + 3% and - %2 for a design speed of
80 km/h and the corresponding stopping sight distance of 120 m. The height of
driver’s eye and the object above the road surface are 1.20 m 0.15 m respectively.
The curve length (which is less than stopping sight distance) to be provided is
Answer : Option B
Explaination / Solution:
No Explaination.
Q8. A plane flow has velocity components u = 1/T1, v = -y/T2 and w = 0 and x, y and z directions
respectively, where T1 (≠0) and T2 (≠0) are constants having the dimensions of time. The
given flow is incompressible if
Answer : Option D
Explaination / Solution:
Q9. 
evaluated anticlockwise around the circle |z - i| = 2, where i = √-1, is
evaluated anticlockwise around the circle |z - i| = 2, where i = √-1, is
Answer : Option A
Explaination / Solution:
No Explaination.
Q10. For a saturated sand deposit, the void ratio and the specific gravity of solids are 0.70 and 2.67, respectively. The critical (upward) hydraulic gradient for the deposit would be
Answer : Option B
Explaination / Solution:
No Explaination.
