TOWER CRANE PRACTICE TEST QUESTIONS AND
VERIFIED ANSWERS
Which of the following OSHA regulations govern suspended personnel platforms?
b) OSHA 1926.1431
(OJO) According to ASMR B30.3, the prohibited zone for power lines that are 60 kV is:
c) 15 ft.
According to ASME B30.3, load hoist rotation resistant wire rope has a design factor of:
d) 5 to 1
According to ASME B30.3, on whose recommendations should a preventative
maintenance program be set up?
d) Crane manufacturer
When using cable or nylon spreaders it is important to remember:
b) The lower the spreader angle the greater the tension
,(OJO) According to OSHA, when testing a man basket how long must the test pick be
maintained?
b) 5 minutes
According to ASME B30.3, what is the minimum pitch diameter for load hoisting
sheaves?
c) Not less than 18 times rope diameter
According to ASME B30.3 what is the minimum pitch diameter for load block sheaves?
b) Not less than 16 times rope diameter
According ASME B30.3, what is the minimum pitch diameter for boom hoist sheaves?
a) Not less than 15 times rope diameter
(OJO) According to OSHA, when lifting personnel the cranes hook must be the type
that:
a) Can be closed and locked
According to OSHA, when working over water with a man basket are the people inside
required to wear a belt/harness?
a) No harness or belt required
, (OJO) According to ASME B30.3, when working near power lines where should caution
stickers be installed?
c) At operators station and at the base of the crane
According to OSHA, a periodic inspection is:
b) Montly to annually
Cranes idle for more than 6 months must have inspections performed:
a) Frequent and periodic
Cranes idle for less than 6 months must have inspections performed:
c) Frequent
Craned lifting personnel platforms must have the platform and rigging inspected:
a) Prior to each shift
Crane hooks must not be twisted in excess of:
a) 10 degrees
A crane hook's throat open must not exceed:
b) 15% of its original size
VERIFIED ANSWERS
Which of the following OSHA regulations govern suspended personnel platforms?
b) OSHA 1926.1431
(OJO) According to ASMR B30.3, the prohibited zone for power lines that are 60 kV is:
c) 15 ft.
According to ASME B30.3, load hoist rotation resistant wire rope has a design factor of:
d) 5 to 1
According to ASME B30.3, on whose recommendations should a preventative
maintenance program be set up?
d) Crane manufacturer
When using cable or nylon spreaders it is important to remember:
b) The lower the spreader angle the greater the tension
,(OJO) According to OSHA, when testing a man basket how long must the test pick be
maintained?
b) 5 minutes
According to ASME B30.3, what is the minimum pitch diameter for load hoisting
sheaves?
c) Not less than 18 times rope diameter
According to ASME B30.3 what is the minimum pitch diameter for load block sheaves?
b) Not less than 16 times rope diameter
According ASME B30.3, what is the minimum pitch diameter for boom hoist sheaves?
a) Not less than 15 times rope diameter
(OJO) According to OSHA, when lifting personnel the cranes hook must be the type
that:
a) Can be closed and locked
According to OSHA, when working over water with a man basket are the people inside
required to wear a belt/harness?
a) No harness or belt required
, (OJO) According to ASME B30.3, when working near power lines where should caution
stickers be installed?
c) At operators station and at the base of the crane
According to OSHA, a periodic inspection is:
b) Montly to annually
Cranes idle for more than 6 months must have inspections performed:
a) Frequent and periodic
Cranes idle for less than 6 months must have inspections performed:
c) Frequent
Craned lifting personnel platforms must have the platform and rigging inspected:
a) Prior to each shift
Crane hooks must not be twisted in excess of:
a) 10 degrees
A crane hook's throat open must not exceed:
b) 15% of its original size
