Civil Engineering - Online Test

Q1. As per Indian standard code of practice for prestressed concrete (IS : 1343 - 1980) the minimum grades of concrete to be used for post-tensioned and pre-tensioned strural elements are respectively
Answer : Option D
Explaination / Solution:
No Explaination.


Q2.
Answer : Option A
Explaination / Solution:



Q3. A person standing on the bank of a canal drops a stone on the water surface. He notices that the disturbance on the water surface is not travelling upstream. This is because the flow in the canal is
Answer : Option B
Explaination / Solution:
No Explaination.


Q4. A solid circular shaft of diameter d and length L is fixed at one end free at the other end. Atorque T is applied at the free end. The shear modulus of the material is G. The angle of twist at the free end is
Answer : Option B
Explaination / Solution:
No Explaination.


Q5. Which one of following functions is strictly bounded?
Answer : Option D
Explaination / Solution:



Q6. The flow of water (mass density = 100 kg/m3 and kinematic viscosity = 10-6 m2/s) in a commercial pipe, having equivalent roughness ks as 0.12 mm, yields an average shear stress at the pipe boundary = 600 N/m2. The value of ks/δ' (δ' being the thickness of laminar sub-layer) for this pipe is
Answer : Option D
Explaination / Solution:
No Explaination.


Q7. For the function ex , the linear approximation around x = 2 is
Answer : Option A
Explaination / Solution:


Neglecting higher powers

Q8. A parabolic cable is held between two supports at the same level. The horizontal span between the supports is L. The sag at the mid-span is h. The equation of the parabola is  where x is the horizontal coordinate and y is the vertical coordinate with the origin at the centre of the cable. The expression for the total length of the cable is
Answer : Option D
Explaination / Solution:
No Explaination.


Q9. A rectangular channel 6.0 m wide carries a discharge of 16.0 m3/s under uniform flow condition with normal depth of 1.60 m. Minning’s ‘n’ is 0.015.
The longitudinal slope of the channel is
Answer : Option A
Explaination / Solution:
No Explaination.


Q10. A double cover butt riveted joint is used to connect two flat of 200 mm width and 14 mm thickness as shown in the figure. There are twelve power driven rivets of 20 mm diameter at a pitch of 50 mm in both directions on either side of the plate. Two cover plates of 10 mm thickness are used. The capacity of the joint in tension considering bearing and shear ONLY, with permissible bearing and shear stresses as 300 MPa and 100 MPa respectively is

Answer : Option B
Explaination / Solution:
No Explaination.