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Browse complete papersWhich type of precipitation occurs when raindrops freeze before reaching the ground?
Snow
Sleet
Hail
Drizzle
Correct answer
Snow
In which of the following cases is flood duration likely to be the longest?
Heavy rain over a mountainous area with steep slope
Rainfall over a flat area with poor drainage
A flash flood caused by sudden cloudburst
A flood due to dam failure
Correct answer
Heavy rain over a mountainous area with steep slope
In a confined aquifer, how does compressibility affect groundwater storage?
Water is released only due to gravity drainage
Water is released due to expansion of water and compression of the aquifer.
Water movement is independent of compressibility.
Compressibility does not affect confined aquifers.
Correct answer
Water is released only due to gravity drainage
Which of the following is NOT a disadvantage of irrigation?
Salinisation of soil
Increased agricultural productivity
Waterlogging of fields
Groundwater depletion
Correct answer
Salinisation of soil
If the base period (B) increases and Delta (Δ) remains constant, what happens to Duty (D)?
Increases
Decreases
Remains the same
Becomes zero
Correct answer
Increases
Which of the following options is correct with respect to the statements regarding Kennedy’s and Lacey’s theories?
Statement 1: Kennedy’s theory is based on the concept of critical velocity.
Statement 2: Lacey’s theory assumes that a stable channel is formed naturally by the flow
Both statements are true.
Both statements are false
Statement 1 is true, but statement 2 is false
Statement 1 is false, but statement 2 is true.
Correct answer
Both statements are true.
What is the primary purpose of camber in roads?
To provide structural support
To enhance aesthetics
To drain off surface water
To reduce noise levels
Correct answer
To provide structural support
Which of the following combinations correctly lists the four basic requirements of a highway alignment?
Long, Difficult, Unsafe, Costly
Short, Easy, Safe, Economical
Short, Curvy, Steep, Expensive
Strategic, Difficult, Unsafe, Economical
Correct answer
Long, Difficult, Unsafe, Costly
What is the primary reason for conducting reconnaissance in a new highway project?
To finalise pavement design
To prepare land acquisition plans
To inspect the topography and identify construction materials
To mark the alignment on the ground
Correct answer
To finalise pavement design
What is the minimum sight distance required on a highway, also known as the non-passing sight distance?
Intermediate sight distance
Headlight sight distance
Overtaking sight distance
Stopping sight distance
Correct answer
Intermediate sight distance