While concrete is being placed, the forms must be checked to be sure they are _____
a. not leaking
b. completely filled
c. properly braced
d. plumb and level
d
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Which of the following acronyms is used to describe an engine piston that is at the exact bottom of its travel?
A. TDC B. BDC C. ATDC D. BTDC
A two position, two way valve would be represented by a drawing with four boxes.
Answer the following statement true (T) or false (F)
When can HFC-134a become combustible in a mobile air condition-ing system?
When can HFC-134a become combustible in a mobile air condition-ing system? A. When the hoses are removed from the service ports B. If an A/C system hose breaks and ozone is vented C. When the A/C system is evacuated D. If shop air is used in the system in an attempt to check for leaks and HFC- 134a is present
When delegating, the crew leader should make sure the crew member understands what to do and _____
a. the degree of risk involved b. has read the OSHA regulations c. who should be blamed if there is a problem d. their level of responsibility