Switches Are Being Discussed

question 17

Multiple Choice

Switches are being discussed. Technician A says that "pole" refers to the number of output circuits. Technician B says that "throw" refers to the number of input circuits. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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Definitions:

Toe-in

Refers to the alignment adjustment of the front wheels of a vehicle so that they are slightly closer to each other at the front than at the rear to improve steering precision and tire wear.

Radial Steering Tires

Tires designed with a specific tread and structure for steering axles, offering better stability, handling, and wear characteristics compared to conventional tires.

Knuckle Vertical Clearance

The vertical space required above a railway track to allow safe passage of trains without contacting any structures above, especially concerning knuckle couplers on rolling stock.

Draw Key

A type of key, often made of metal, used to secure components together by fitting into a corresponding slot or recess, commonly found in mechanical and engineering applications.