Service Truck Crane Operator Test 1 Flashcards
7 cards from real NCCCO practice questions. Tap to flip, then mark Knew It or Still Learning โ missed cards come back until you master them.
Read the first 7 Service Truck Crane Operator Test 1 flashcards as text
What is the correct hand signal to tell the crane operator to 'boom down'?
Answer: Thumb pointing down with fist closed
The standard ASME/OSHA hand signal for 'boom down' (lower boom) is a closed fist with thumb pointing downward.
When is an operator required to have a load line handler or rigger present?
Answer: Whenever the hook is not clearly visible to the operator throughout the lift
A signal person is required whenever the load or the path of travel is not clearly visible to the operator at all times during the lift.
The minimum required clearance from an energized power line rated at 50 kV is:
Answer: 10 feet
OSHA 1926.1408 requires a minimum 10-foot clearance from power lines up to 50 kV unless the line is de-energized and grounded or an insulating barrier is installed.
What action should an operator take if the crane contacts an energized power line?
Answer: Remain in the cab and warn others not to touch the crane
If the crane contacts a live power line, the operator must stay in the cab to avoid ground potential differences, and warn others to stay clear.
Which of the following is a disqualifying defect for a wire rope that requires immediate removal from service?
Answer: Six randomly distributed broken wires in one rope lay
ASME B30.22 disqualifies a wire rope when six or more randomly distributed broken wires are found in one rope lay, indicating significant structural degradation.
What does the term 'rated capacity' on a service truck crane load chart assume about outrigger deployment?
Answer: Outriggers are fully extended and pads are properly set
Load chart rated capacities typically assume outriggers are fully extended and properly supported unless the chart provides separate on-rubber ratings.
An operator's NCCCO certification for a service truck crane is valid for how long before renewal is required?
Answer: 5 years
NCCCO certifications are valid for five years, after which operators must successfully complete the recertification process.