NCCCO CORE Exam Questions and Correct Answers A+
When using single saddle or U bolt type clips the saddle shall NEVER be installed on - Answer- The live end
The pitch diameters for boom hoist sheaves shall not exceed - Answer- 15 Pitch diameter load hoist sheave shall not exceed - Answer- 18 Pitch diameters for load block sheaves shall not exceed - Answer- 16
Prior to leaving a crane unattended the operator shall - Answer- Land load or attachment Disengage master clutch Turn off engine secure from authorized use
Before lifting a rated load the operator shall - Answer- Left the load a few inches off the ground and apply the brake
When performing a pic with a truck crane on outriggers the tires must be - Answer- High enough to relieve them of the cranes weight
When blocking on the outrigger float the cribbing Shall be - Answer- Sufficient to support the crane and its load 1 / 3
When a crane is being used to lift personnel and inspection of the crane should be made - Answer- Frequently
When using audible signal is one signal would indicate - Answer- Stop Two audible signals - Answer- Go ahead Three audible signals - Answer- Go back
A crane must stay at least from energize powerlines under 50 Kv - Answer- 10 feet A crane operator must respond to a stop signal from - Answer- Eveyone The margin of stability on a truck crane is - Answer- 85%
Of the following who is permitted inside the fall zone - Answer- Qualified rigger
The revolving frame of equipment in which operating machinery is mounted is referred to as - Answer- Super structure
When is it permissible to be under the boom when assembling or disassembling a boom - Answer- When the A/D Director proves it is in feasible not to work under the boom
When installing pins on a lattice boom how should the pins be installed - Answer- Tapered side out
When assembling or disassembling a lattice boom crane the amount of boom extended out past the bridal/equalizer is known as - Answer- Cantilever length
During assembly or disassembly of cranes no part of the crane or its components can come within of powerlines - Answer- 10'
If any part of the crane rigging or attachments load/line can come within of a power line a dedicated spotter must be provided - Answer- 20'
Up to 50 KV - Answer- 10 feet Over 50 to 200 kV - Answer- 15' 2 / 3
Over 200 to 350 KV - Answer- 20' Over 350 to 500KV - Answer- 25' Over 500 to 750 KV - Answer- 35' Over 750 to 1000Kv - Answer- 45' If operating a crane in proximity of power lines over 1000 V what is the minimum clearance - Answer- Determined by the utility company
During hoisting operations in proximity of powerlines all tag lines and rigging should be - Answer- Synthetic
Powerlines or presumed energized unless - Answer- The utility companies certifies the lines are D energized and they are visibly grounded
Up to .75 kv - Answer- 4' Over .75 to 50 Kv - Answer- 6' Over 50 Kv to 345 Kv - Answer- 10'
Over 345 kvvolts to 750 kV - Answer- 16 feet 750 kV to 1000 kV - Answer- 20 feet What type of inspection requires no documentation - Answer- Shift
During what inspection classification does inspection of ground conditions take place - Answer- Shift
I frequent inspection is made - Answer- Weekly to monthly A periodic inspection is made - Answer- Monthly to annually A shift inspection must be completed - Answer- Before the end of shift
- / 3