Which of the listed statements represents a valid restriction during personnel-hoisting operations?
a. A platform shall not be positioned less than 20 feet from an energized 480 kV
transmission power line.
b. Platform raising and lowering speeds must be less than 75 feet per minute.
c. The operator may not use the main boom hoist unless the personnel lift is being
conducted on a boom extension longer than 20 feet.
d. Lift supervision must terminate the lift if wind speeds exceed 20 mph at the level of the
platform.
d. Lift supervision must terminate the lift if wind speeds exceed 20 mph at the level of the
platform.
You might also like to view...
?Name the four engine strokes.
What will be an ideal response?
A video recording system was purchased 3 years ago at a cost of $40,000. A 5-year recovery period and DDB depreciation have been used to write off the basis. The system is to be replaced this year with a trade-in value of $4000. What is the difference between the book value and the trade-in value?
What will be an ideal response?
100 kW is equivalent to ____.
A. 100 W B. 1000 W C. 10,000 W D. 100,000 W
How can pressure be used to control the temperature of a refrigerated space?
What will be an ideal response?