Which of the following gases can cause rapid and uncontrolled combustion around flammable materials or
sparks?
a. Oxygen
b. Nitrogen
c. Helium
d. Argon
a
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What kind of symbol is shown in Figure 3?
a. Basic surface texture symbol
b. Material removal prohibited
c. Material removal by machining is required
d. Material removal by any method desired
e. None of the above
Technician A says the vacuum supply test involves inspecting the vacuum supply hose for kinks. Technician B says the test involves checking the level of vacuum supplied by the engine or vacuum pump. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
If combustion air openings pass through horizontal ducts with 4,000 BTU input, how large should the openings measure?
A) 3 inches squared B) 1 inch squared C) 4 inches squared D) 2 inches squared
Acme thread forms are commonly used when rapid reversing movement is a design requirement.
Answer the following statement true (T) or false (F)