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Railway Engineering Mcqs

Q:

At what angle should a railway line cross a road?

A) 90° B) 30°
C) 60° D) 45°
 
Answer & Explanation Answer: A) 90°

Explanation: A railway line should always cross a road at 90° angle, i.e. they should be perpendicular to each other. This is done so that the passing train is clearly visible to the road passengers, thus avoiding accidents.

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1010
Q:

The scrap value of concrete is _____

A) None B) High
C) Low D) Higher than wooden
 
Answer & Explanation Answer: A) None

Explanation: Concrete sleepers once used do not give any scrap value. Concrete once set hard cannot be remoulded into another shape. Thus these sleepers cannot be reused for any productive work.

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505
Q:

Which of the following rail line is not a part of the “Mountain Railways of India”?

A) Darjeeling Himalayan Railway B) Nilgiri Mountain Railway
C) Kalka – Shimla Railway D) Lumding – Badarpur Railway
 
Answer & Explanation Answer: D) Lumding – Badarpur Railway

Explanation: The “Mountain Railways of India” consists of three rail lines namely: Darjeeling Himalayan Railway, Nilgiri Mountain Railway and Kalka – Shimla Railway. These lines are narrow gauge and are not included in the Project Unigauge. They are included in the UNESCO World Heritage sites.

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493
Q:

Which of the following is not a requirement of a good ballast?

A) Tough B) Wear resistant
C) Rounded D) Cheap
 
Answer & Explanation Answer: C) Rounded

Explanation: Ballast should not be rounded. It should generally be cubical having sharp edges. This is regarding the shear strength provided by the Ballast.

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357
Q:

The unit of rail gauge is expressed in terms of ______

A) Time B) Length
C) Velocity D) No unit
 
Answer & Explanation Answer: B) Length

Explanation: Gauge can be defined as the distance between inner sides of the rails. Therefore, it has a unit of length and generally expressed in mm.

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339
Q:

What is the limit for inward tilt at rail seat?

A) 1 in 15 to 1 in 25 B) 1 in 20 to 1 in 25
C) 1 in 15 to 1 in 20 D) 1 in 10 to 1 in 30
 
Answer & Explanation Answer: A) 1 in 15 to 1 in 25

Explanation: The limit for inward tilt at rail seat is from 1 in 15 to 1 in 25. The sleepers are termed defective otherwise.

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320
Q:

Which of the following is not a component of the rail?

A) Head B) Web
C) Ballast D) Foot
 
Answer & Explanation Answer: C) Ballast

Explanation: The rail consists of three parts, a head, a web and a foot. Ballast is a separate component which is not a part of the rail section.

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294
Q:

Which of the following equipment is not a part of Modern Surveying Instruments and techniques?

A) Infrared Beam B) Laser beam
C) Chain and Tape D) Computers
 
Answer & Explanation Answer: C) Chain and Tape

Explanation: Chain and Tape were previously used for measurement. With advancement of technologies they are considered to be out dated.

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