The common terminal of an ISO relay (terminal 30) is always connected to chassis ground.
Answer the following statement true (T) or false (F)
False
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Sensors should be mounted as close to other metals as possible.
Answer the following statement true (T) or false (F)
How does a "pressure sandwich" work for smoke control?
A) The fire floor is held neutral and the floors above and below are exhausted to remove smoke. B) The fire floor is made positive to drive smoke up a shaft, floors above and below are neutral. C) The fire floor is exhausted to and floors above and below are pressurized.
Briefly describe the traffic characteristics associated with each of the levels of service for basic freeway sections.
What will be an ideal response?
All of these are functions of antifreeze EXCEPT ________
A) Corrosion inhibitor B) Water pump lubricant C) Rust inhibitor D) Ethanol enhancer