Which of the Following Is True of an Allen Wrench

question 32

Multiple Choice

Which of the following is true of an Allen wrench?

• A) double hex drive
• B) hex drive
• C) 8-point drive
• D) 4-point drive

---

Definitions:

Pneumatic Brake Systems

Brake systems that use compressed air to create the braking force applied to stop the vehicle.

Power Line Carrier (PLC)

Term used to describe communication transactions delivered through the auxiliary (blue) power line in a seven-wire tractor-trailer electrical connection. Signals are converted to radio frequencies for the transaction and subsequently decoded by the receiver ECU. The means used to enable trailer ABS to communicate with the tractor electronics.

Multiplexing

A technique used in communications to combine multiple signals or streams of information into one, for the purpose of sharing a physical medium.

Data Bus Transactions

The processes or operations carried out over a data bus, involving the transfer of data between components or systems within a computer or electronic system.