Why should technicians never use oxygen to pressurize refrigeration systems when leak testing?
What will be an ideal response?
Pure oxygen and oil make an exlosive combination.
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Convert as indicated giving the answer using proper significant figures.
(a) 19.75 ft to millimeters (b) 365.5 ft³ to L (c) 373 K to degrees Rankine (d) 5 595 bushels to cubic meters (e) 455 250 Btu/h to kilowatts
How many teeth does a hedgehog typically have?
A) 12 B) 20 C) 24 D) 36
The cruise control system is inoperative. Technician A says a faulty brake light switch can be the cause. Technician B says the cause may be the dump valve is stuck open. Who is correct?
A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B
Examining the radiator, shroud, and shutters to make sure they are structurally sound and free from dents, damage, or ice is part of checking the
A. steering system B. cooling system C. braking system D. exhaust system