Find real questions from previous competitive exam papers with answers and solutions.
Leave the keyword blank to browse saved questions for your selected exam, newest papers first. Add a keyword, year or topic to narrow the results.
Browse complete papersWhat is the value of SSD on a 3% descending grade for \(V=70\) km/h, \(t=2.5\) sec, \(f=0.35\)?
96 m
102 m
109 m
120 m
Correct answer
96 m
What is the value of Mean headway for 600 veh/h?
4 s
5 s
6 s
7 s
Correct answer
4 s
Which aggregate type has been reported to achieve strength up to \(125\) MPa with a water-cement ratio of \(0.32\)?
Natural gravel
Crushed stone aggregate
ALAG (Cementitious aggregate)
Recycled aggregate
Correct answer
Natural gravel
In flexural strength testing, which method shows less variability of results?
Central point loading
Third-point loading
Both give equal variability
None of the options
Correct answer
Central point loading
For a modulus of elasticity \(E = 2. 5 \times 10^4 N/mm^2\) and thermal strain = \(200 \times 10^{-6}\), the induced tensile stress is:
\(3.5 N/mm^2\)
\(4.0 N/mm^2\)
\(5.0 N/mm^2\)
\(6.0 N/mm^2\)
Correct answer
\(3.5 N/mm^2\)
Which of the following is not a primary factor affecting the flow of fluid in a pipe?
Diameter of the pipe
Length of the pipe
Fluid viscosity
Velocity
Correct answer
Diameter of the pipe
How does pozzolana help in resisting sulphate attack?
By increasing permeability of concrete
By reducing hydration temperature
By converting calcium hydroxide into insoluble compounds
By increasing \(C_{3}A\) content in cement
Correct answer
By increasing permeability of concrete
Which of the following quantities is conserved in steady flow according to Bernoulli’s equation?
Pressure energy
Kinetic energy
Total energy
Potential energy
Correct answer
Pressure energy
The net positive suction head (NPSH) for a pump is:
The pressure required to prevent cavitation
The energy required to operate the pump
The total head required by the pump
The velocity head at the pump inlet
Correct answer
The pressure required to prevent cavitation
The pressure exerted by a fluid at rest in a vessel is known as:
Dynamic pressure
Hydrostatic pressure
Atmospheric pressure
Kinetic pressure
Correct answer
Dynamic pressure