What is the main function of a hold-off diaphragm?
A. It converts air pressure to mechanical service brake pressure
B. It prevents compounding of the foundation brakes
C. It prevents spring brake force from acting on the pushrod
D. It converts spring pressure into pneumatic pressure
C. It prevents spring brake force from acting on the pushrod
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IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
An IAC valve stuck in the closed position may cause all of the following except:
A. Stalling. B. Rough idle. C. High idle speed. D. Low idle speed.
What is one advantage and one disadvantage of frequency control?
What will be an ideal response?
The exterior walls of a building may pose a fire hazard to the adjacent building within the same lot or across the property line. Therefore, an exterior wall's minimum required fire rating is a function of its distance from the adjacent building, defined as fire separation distance (FSD) by the International Building Code. What is the required minimum value of FSD for a non-load-bearing wall
(such as a glass curtain wall) so that the wall's fire rating may be zero? What will be an ideal response?