What is the cause of a flushometer vacuum breaker leaking around the air ports?
What will be an ideal response?
diaphragm deterioration
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Figure 41-5
In the accompanying figure, what does the selector switch permit?
What will be an ideal response?
OSHA CFR 1910 is the standard for _____.
a. general industry b. electronic systems c. the construction industry d. lockout/tagout
An electrical contractor charges $598 for a job. The materials cost $263. The cost of labor is $173, and the cost of transportation is $10. Find the profit.
Fill in the blank(s) with the appropriate word(s).
Storage reservoir walls ____.
A. are designed to store water for future use B. are capable of absorbing water and drying out without damage to the structure C. cannot absorb water without risking structural damage D. can absorb a small amount of water but risk structural damage