Which of the following statements are true?
A. Pneumatic tools that operate at pressures in excess of 100 pounds per square inch must be equipped with a special protective device.
B. If compressed air is used for cleaning purpose on anything other than concrete forms, the compressed air pressure must exceed to more than 30psi.
C. When a power-actuated tool misfires, it should not be held in the operating position.
D. When storing oxygen cylinders, keep them at least 10 feet away from combustible materials and compressed gas cylinders.
A
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In a box cornice, the ____ covers the ends of the rafter tails.
A. channel B. ventilator C. fascia D. soffit
What is the magnitude of the voltage at point A? Express the answer to the nearer tenth.
Fill in the blank(s) with the appropriate word(s).
The radial clearance of a needle bearing is not adjustable
Indicate whether the statement is true or false
When are exhaust valves exposed to the most heat?
A. When closed at the end of the power stroke. B. When opened at the end of the power stroke. C. Immediately after the engine is shut off. D. During the exhaust stroke.