When charging a system that uses a zeotropic refrigerant, the system should always be charged using _____.
a. the superheat method
b. the subcooling method
c. vapor refrigerant from the cylinder
d. liquid refrigerant from the cylinder
d. liquid refrigerant from the cylinder
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Hurrying through narrow doors, crowding in trailers, and falling may all be causes of ____.
A. bucked shins B. knocked-down hips C. capped elbows D. chip fractures
When working with hand tools, always ________
A) Pull the wrench - don't push a wrench B) Push the wrench - don't pull toward you
Which EVAP valve(s) is (are) normally closed?
A) Canister purge valve B) Canister vent valve C) Both canister purge and canister vent valve D) Neither canister purge nor canister vent valve
____________________ materials have characteristics that fall between those of insulators and conductors.
Fill in the blank(s) with the appropriate word(s).