NCCCO CORE ACTUAL EXAM

NCCCO CORE ACTUAL EXAM

QUESTIONS AND CORRECT ANSWERS

[VERIFIED ANSWERS] GRADED A+

A truck crane is operating with his outriggers fully extended and set does not have a fifth front Outrigger the operator should - ANSWER✔✔Referred to the manufactures working area diagram When I lattice boom crane properly set up on outriggers the tipping access is located at - ANSWER✔✔Point where the Outrigger pads touch the ground If the lattice boom truck crane is going to perform work over the front and must have - ANSWER✔✔A front mounted Outrigger How does Highwind affect the operation of a long boom crane - ANSWER✔✔Introduces a side load into the boom What item can be legally removed from a carry deck crane - ANSWER✔✔Boom extension A crane component made by crane company can be used on any other crane made by the company - ANSWER✔✔False A rough terrain crane is commonly referred to as - ANSWER✔✔Cherry picker During crane assembly the counter weight should be installed blank the installation of the complete boom - ANSWER✔✔Before When assembling the boom sections which set of pin holes are fastened first - ANSWER✔✔Upper When installing the bone pens the pin should be pointing - ANSWER✔✔Out away from the boom center When dismantling a crane boom the bottom set of boom pins should be removed first - ANSWER✔✔True It is it safe to climb under a boom to knock out the boom pens if the crane has tension on the pendant lines - ANSWER✔✔False What position should the gantry be when lifting a load - ANSWER✔✔Highest When using the main load line with the gym attached the working load for the boom must be reduced by - ANSWER✔✔Manufacturers specifications for jib and hook weight reduction 1 / 3

Jib forestay and backstay pendant lines - ANSWER✔✔Of equal length or the backstay pendant lines should be longer Jib capacity increases as the angle to the ground decreases - ANSWER✔✔False Whenever operating a crane around a newly constructed building which of these conditions could be dangerous - ANSWER✔✔Un compacted soil The ground pressure under outriggers higher than it is under a crawler track because of a smaller bearing surface - ANSWER✔✔True And Outrigger float should be approximately how much larger than Outrigger pad - ANSWER✔✔3x A crane sitting 3° off level can increase the boom stress by 50% - ANSWER✔✔True The load line is hanging in the dead center of the room one position over the rear with a broom over the side the loan lined is observed to be all center this means - ANSWER✔✔Not safe to use until level in all positions Crane stability is based on - ANSWER✔✔Lever principal The center of gravity were very the most for different lifting positions with which type of crane - ANSWER✔✔Truck crane Load moment indicators warn the operator of an overload condition - ANSWER✔✔True Load dimensions could have as much bearing on boom radius as the load weight - ANSWER✔✔True The flexion of the boom and pendant stretch will increase - ANSWER✔✔Load radius When raising a Long boom off the ground what will avoid excessive pendent pull and boom compression

• ANSWER✔✔Keep Black on ground until boom is at 30°

The approved working areas of a crane are referred to as - ANSWER✔✔Quadrants of operation The effective weight of a jib is - ANSWER✔✔Higher than the actual weight or lower than the actual weight Specific details on calculating the weight of crane components to set up for save lift is are found in - ANSWER✔✔Load chart data The load way numbers given in a crane load chart indicate the blank that the crane can safely lift - ANSWER✔✔Gross load If taking sides strain on a boom what concerns the operator the most - ANSWER✔✔Boom damage 2 / 3

If a crane load chart has capacities listed in the shaded area this means that - ANSWER✔✔If overloaded structural confidence will be compromised As the layers of rope on a drum increase the allowable line Pull wil - ANSWER✔✔Decrease Of the following actions which one will most likely cause a side load condition - ANSWER✔✔Abruptly starting or stopping the swing Cording to OSHA with any hook ball or attachment at its lowest point a minimum of blank reps must remain on the drum at all times - ANSWER✔✔2 What is the minimum distance of crane must maintain from powerlines rated below 50 KV - ANSWER✔✔10 feet What is the best procedures to follow if underground utilities are present - ANSWER✔✔Contact utility company For boom is reeves eccentrically to the block the most common result would be - ANSWER✔✔Twisting of the boom What is the safety factor for 6 x 19 IWRC wire rope - ANSWER✔✔3.5-1 What is the safety factor for rotation resistor wire rope - ANSWER✔✔5-1 What is the safety factor for rigging hardware - ANSWER✔✔5-1 What is the safety factor one hoisting personnel using IWRC wire Rope - ANSWER✔✔7-1 What is the safety factor hoisting personnel using rotation resistance wire rope - ANSWER✔✔10-1 Unless the manufacturer states otherwise the wind speed to seize hoisting Shall be - ANSWER✔✔30 mph When hoisting personnel OSHA requires wind speed not to exceed - ANSWER✔✔20 mph Who has the responsibility of determining the correct weight of the load - ANSWER✔✔Supervisor When an operator leave there a crane they must - ANSWER✔✔Land load engage all locks and Pawls and lock machine When is it safe to work closer than alarm for distance from any powerline - ANSWER✔✔When the utility company certifies that the lines are D energized When operating a crawler crane what is the most unstable allowable quadrant of operation - ANSWER✔✔Side

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