NCCCO TOWER CRANE NEWEST -

NCCCO TOWER CRANE NEWEST -

QUESTIONS AND CORRECT DETAILED

ANSWERS

When lifting loads using a two way bridle it is important to always remember that the : - Answer-lower the horizontal angle the greater the sling tension

In the order of strongest to weakest which hitches listed below would be correct ? - Answer-Basket , Vertical , Choker

According to Subpart CC , how many full wraps of wire rope must remain on the hoist drum when the load hook is in its lowest position ? - Answer-2

According to OSHA 1926.1435 , how often must the turntable and tower bolts be inspected for proper torque and condition ? - Answer-Annually

Which of the OSHA Subparts regulates personnel platforms suspended from cranes used in construction ? - Answer-Subpart CC

According to OSHA 1926.1431 , when proof testing a personnel platform how long must the load remain suspended ? - Answer-5 minutes

According to OSHA , when lifting personnel in a platform the cranes hook must be the

type that : - Answer-Can be closed and locked

According to OSHA1926.1431 , employees occupying a personnel platform over water

are NOT : - Answer-Required to wear a personal fall arrest system

According to OSHA 1926.1435 , before assembly , all Tower crane components must

be visually inspected for : - Answer-Damage or Excessive wear

According to OSHA 1926.1412 , if the operator finds a safety hazard during a pre - shift inspection , he must ? - Answer-Tag out of service

According to OSHA 1926.1408 Option # 3 , what is the minimum allowable distance between the crane and energized power lines rated up to 50kV ? - Answer-10 feet

According to OSHA1926.1408 , which of the following is NOT required when using a dedicated spotter to prevent encroachment ? - Answer-Being equipped with a proximity alarm 1 / 2

According to OSHA 1926.1431 , when a wire rope bridle is used as rigging between a personnel platform and the load line hook , each bridle leg shall be connected to a : - Answer-Master link

According to OSHA Subpart CC , when is it safe to work closer than the allowable distance from power lines ? - Answer-When utility owner says lines are de - energized

According to OSHA 1926.1435 , when the manufacturer does not specify plumb tolerance , the crane tower must be plumb to a tolerance of which item listed below ? - Answer-1 inch in 40 feet

When is a spotter required to be utilized when working in close proximity of powerline ?

• Answer-When the operator cannot see the elevated warning lines .

According to OSHA 1926.1431 , eyes in wire rope bridle slings used for hoisting personnel platforms must be fabricated with which item listed below ? - Answer- Thimbles

According to OSHA 1926.1435 , the size and location of any advertisement panel installed on a Tower crane should be approved by which entity listed below ? - Answer- Manufacturer

According to OSHA 1926.1435 , which item must be mounted above the rotating superstructure on a Tower crane ? - Answer-Wind speed device

According to OSHA Subpart CC , a pre - erection inspection must be performed by which type of person? - Answer-Qualified

According to OSHA Subpart CC , which item is not a requirement for the monthly inspection on a Tower crane used in construction ? - Answer-Turntable

According to OSHA 1926.1431 , the total weight of the loaded personnel platform and related rigging shall not exceed ? - Answer-50 % of the cranes capacity at any given radius or configuration

According to OSHA 1926.1431 , what device must be used to prevent damage or failure at all points where two - blocking could occur ? - Answer-Anti two - block

According to OSHA in addition to training , what must be done to prevent people from being struck or crushed by the rotating superstructure of a self - erecting tower crane ? - Answer-Erect and Maintain warning lines

According to OSHA 1926.1408 table A , when operating near high voltage power lines , what clearance shall be required when the rating of the lines is 275kV ? - Answer-20 feet w / encroachment precautions

• / 2