After flushing the lines and coils, the flush should be purged out:
A) With nitrogen.
B) With mineral spirits.
C) With the same type of refrigerant the system uses.
D) With compressed air.
A
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Which of the following would be closest to the stoichiometric ratio of a diesel fuel by volume when combusted using ambient air?
A. 1:1 B. 8:1 C. 15:1 D. 12,000:1
How many wires are used with a potentiometer-type sensor?
A) Three B) One C) Two D) Four
When the output of a standard TTL gate is HIGH, it can ________
A) sink 16mA of current from the attached input gates B) source 400-microamps of current to a maximum of 10 attached gates C) sink a maximum of 400-microamps from a maximum of 10 load gates D) source 16mA of current to a maximum of 10 attached gates
Can state inspectors inspect your truck or bus?
a. Yes, but cannot put you out of service. b. Yes and they can put you out of service if unsafe. c. No