NCCCO TOWER CRANE ACTUAL SET QUESTIONS
AND ANSWERS SURE A+
✔✔According to OSHA 1926.1421 , what is the first element of voice signals given to a
Tower crane operator prior to the lift ? - ✔✔Function and Direction
✔✔According to OSHA , how many elements are contained in each series of voice
signals ? - ✔✔Three
✔✔The OSHA construction standard for rigging equipment is found in what section
listed below ? - ✔✔1926.251
✔✔According to OSHA 1926.251 , when inspecting alloy steel chain slings used in
hoisting , which item below must be attached to the sling ? - ✔✔ID tag
✔✔According to OSHA , wire rope slings shall not be used if , in any length of eight
diameters , the total number of visible broken wires exceeds what percent of the total
number of wires . - ✔✔10
✔✔According to OSHA 1926.251 , custom designed rigging hardware shall be proof
tested to what percent listed below of their rated load . - ✔✔125
✔✔According to OSHA 1926.251 , what is the minimum design factor for wire rope
slings ? - ✔✔5
✔✔According to OSHA 1926.251 , all rigging and hardware shall be inspected by which
person? - ✔✔Competent
✔✔On a Tower crane the design factor for Rotation Resistant load hoist wire rope shall
not be less than : - ✔✔5 to 1
, ✔✔On a Tower crane the design factor for standing wire rope shall not be less than : -
✔✔3 to 1
✔✔In accordance with whose instructions should a Load Test be conducted ? -
✔✔Manufacturer
✔✔On a Tower crane what diameter of the load hoist drum shall be sufficient to provide
a first layer rope pitch diameter of not less than ? - ✔✔18 times the nominal diameter of
the rope
✔✔What class of portable fire extinguisher shall be kept in the cab of the machinery
platform of any tower crane - ✔✔10-ABC
✔✔When a Tower crane is installed in proximity to power lines , durable signs shall be
installed where on the crane ? - ✔✔Operators station and Base
✔✔ ASME - ✔✔American Society of Mechanical Engineers
✔✔ANSI - ✔✔American National Standards Institute
✔✔ASME B30.3 - ✔✔Tower Cranes
✔✔ASME B30.30 - ✔✔Ropes
✔✔OSHA - ✔✔Occupational Safety and Health Administration
✔✔OSHA 1926.1400cc - ✔✔Cranes in Construction
✔✔OSHA 1926.1435 - ✔✔Tower Cranes
✔✔A/D Director - ✔✔Assembly Disassembly director
✔✔Must - ✔✔OSHA mandatory
✔✔Shall - ✔✔ASME mandatory
✔✔Should - ✔✔ASME suggested
✔✔Rotation resistant - ✔✔2 in 6, 4 in 30
✔✔Standard wire rope - ✔✔12 in one rope lay
✔✔201 to 350 kV - ✔✔20 feet
AND ANSWERS SURE A+
✔✔According to OSHA 1926.1421 , what is the first element of voice signals given to a
Tower crane operator prior to the lift ? - ✔✔Function and Direction
✔✔According to OSHA , how many elements are contained in each series of voice
signals ? - ✔✔Three
✔✔The OSHA construction standard for rigging equipment is found in what section
listed below ? - ✔✔1926.251
✔✔According to OSHA 1926.251 , when inspecting alloy steel chain slings used in
hoisting , which item below must be attached to the sling ? - ✔✔ID tag
✔✔According to OSHA , wire rope slings shall not be used if , in any length of eight
diameters , the total number of visible broken wires exceeds what percent of the total
number of wires . - ✔✔10
✔✔According to OSHA 1926.251 , custom designed rigging hardware shall be proof
tested to what percent listed below of their rated load . - ✔✔125
✔✔According to OSHA 1926.251 , what is the minimum design factor for wire rope
slings ? - ✔✔5
✔✔According to OSHA 1926.251 , all rigging and hardware shall be inspected by which
person? - ✔✔Competent
✔✔On a Tower crane the design factor for Rotation Resistant load hoist wire rope shall
not be less than : - ✔✔5 to 1
, ✔✔On a Tower crane the design factor for standing wire rope shall not be less than : -
✔✔3 to 1
✔✔In accordance with whose instructions should a Load Test be conducted ? -
✔✔Manufacturer
✔✔On a Tower crane what diameter of the load hoist drum shall be sufficient to provide
a first layer rope pitch diameter of not less than ? - ✔✔18 times the nominal diameter of
the rope
✔✔What class of portable fire extinguisher shall be kept in the cab of the machinery
platform of any tower crane - ✔✔10-ABC
✔✔When a Tower crane is installed in proximity to power lines , durable signs shall be
installed where on the crane ? - ✔✔Operators station and Base
✔✔ ASME - ✔✔American Society of Mechanical Engineers
✔✔ANSI - ✔✔American National Standards Institute
✔✔ASME B30.3 - ✔✔Tower Cranes
✔✔ASME B30.30 - ✔✔Ropes
✔✔OSHA - ✔✔Occupational Safety and Health Administration
✔✔OSHA 1926.1400cc - ✔✔Cranes in Construction
✔✔OSHA 1926.1435 - ✔✔Tower Cranes
✔✔A/D Director - ✔✔Assembly Disassembly director
✔✔Must - ✔✔OSHA mandatory
✔✔Shall - ✔✔ASME mandatory
✔✔Should - ✔✔ASME suggested
✔✔Rotation resistant - ✔✔2 in 6, 4 in 30
✔✔Standard wire rope - ✔✔12 in one rope lay
✔✔201 to 350 kV - ✔✔20 feet
