D51 MASTER THE DAY
Authored by WINCENTRE CLASSES
Professional Development
Professional Development
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104 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which component is used to fix double-headed or bull-headed rails to the sleeper?
Answer explanation
Rail-chair is used to fix double-headed or bull-headed rails.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the material commonly used to make rail-chairs?
Answer explanation
Cast iron is commonly used to manufacture rail-chairs.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is placed between the outer jaw and web of rail in a rail-chair?
Answer explanation
A slightly tapered steel or wooden key is placed between outer jaw and web.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the function of a bearing plate on a wooden sleeper?
Answer explanation
Bearing plates distribute rail pressure over wider area.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does a bearing plate prevent in softwood sleepers?
Answer explanation
Softwood sleeper fibres are crushed; bearing plates prevent this.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which component is used to distribute pressure and avoid sleeper crushing?
Answer explanation
Bearing plate helps avoid direct pressure on sleeper and prevents crushing.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which type of spike is commonly used in railway construction?
Answer explanation
Dog spikes are standard spikes used in railway construction.
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