?Plastics always contain the element ____.
A. ?carbon
B. ?silicon
C. ?oxygen
D. ?nitrogen
Answer: A
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When telephoning, you should have a pad of order forms, a blank pad of paper, a price list, and sharpened pencils by the phone
Indicate whether the statement is true or false
When checking the compression on a diesel engine, the pressure should be at least ________
A) 20,000 PSI B) 14 to 1 C) 150 PSI D) 300 PSI
Which refrigeration device would most likely be installed in the discharge line leaving the compressor to prevent liquid refrigerant from draining from a raised condenser into the compressor head?
A) A check valve B) A crankcase pressure regulator C) A normally open solenoid valve D) A normally closed solenoid valve
ICFs are available in ____ and mineralized wood.
A. polyurethane foam B. agricultural fiber C. lightweight solid concrete D. cellulose