American Crane School (Core
Practice Test ) Questions and
Answers
The term "superstructure or upper works" refers to the area of the crane
that is? - CORRECT ANSWER>>Below the turntable
A crane must be level within ________ % for the load chart ratings to be
valid. - CORRECT ANSWER>>Level within 1%
On what principle is crane stability based? - CORRECT ANSWER>>Leverage
What would be the effect of moving the tipping axis closer to the crane's
center of gravity? - CORRECT ANSWER>>Reduced stability
Which matches the appropriate load chart to a particular crane? - CORRECT
ANSWER>>Serial number
A durable rating chart with legible letters and figures shall be provided with
each crane and attached in a location accessible to who? - CORRECT
ANSWER>>The operator while at controls
The lifting capacities listed in the load chart assume what? - CORRECT
ANSWER>>Assumes that the lift is to be preformed under ideal conditions
, A "rough terrain" crane set up on outriggers that is based on 85% tipping
should have the tires do what? - CORRECT ANSWER>>Off the supporting
surface
Load charts are based on stationary loads, which are also know as? -
CORRECT ANSWER>>Static loads
The capacities in a mobile cranes load chart are based on either structural
limits or? - CORRECT ANSWER>>Stability limits
The values listed in the manufacturers load chart shown is what? - CORRECT
ANSWER>>Rated capacities
Net capacity is? - CORRECT ANSWER>>Manufacturers load ratings minus
capacity deductions
When determining the "gross load" the best method is? - CORRECT
ANSWER>>Get an accurate load weight and add the rigging
The weights of load handling devices, such as load blocks, spreader bars, and
slings are considered? - CORRECT ANSWER>>Part of the load
Gross capacity is 10,300 lbs. Total deductions are 7,622 lbs. What is the net
capacity? - CORRECT ANSWER>>2,678 lbs.
Boom length is measured from the? - CORRECT ANSWER>>Center of the heel
pin(s) to the center of the boom tip sheaves
Practice Test ) Questions and
Answers
The term "superstructure or upper works" refers to the area of the crane
that is? - CORRECT ANSWER>>Below the turntable
A crane must be level within ________ % for the load chart ratings to be
valid. - CORRECT ANSWER>>Level within 1%
On what principle is crane stability based? - CORRECT ANSWER>>Leverage
What would be the effect of moving the tipping axis closer to the crane's
center of gravity? - CORRECT ANSWER>>Reduced stability
Which matches the appropriate load chart to a particular crane? - CORRECT
ANSWER>>Serial number
A durable rating chart with legible letters and figures shall be provided with
each crane and attached in a location accessible to who? - CORRECT
ANSWER>>The operator while at controls
The lifting capacities listed in the load chart assume what? - CORRECT
ANSWER>>Assumes that the lift is to be preformed under ideal conditions
, A "rough terrain" crane set up on outriggers that is based on 85% tipping
should have the tires do what? - CORRECT ANSWER>>Off the supporting
surface
Load charts are based on stationary loads, which are also know as? -
CORRECT ANSWER>>Static loads
The capacities in a mobile cranes load chart are based on either structural
limits or? - CORRECT ANSWER>>Stability limits
The values listed in the manufacturers load chart shown is what? - CORRECT
ANSWER>>Rated capacities
Net capacity is? - CORRECT ANSWER>>Manufacturers load ratings minus
capacity deductions
When determining the "gross load" the best method is? - CORRECT
ANSWER>>Get an accurate load weight and add the rigging
The weights of load handling devices, such as load blocks, spreader bars, and
slings are considered? - CORRECT ANSWER>>Part of the load
Gross capacity is 10,300 lbs. Total deductions are 7,622 lbs. What is the net
capacity? - CORRECT ANSWER>>2,678 lbs.
Boom length is measured from the? - CORRECT ANSWER>>Center of the heel
pin(s) to the center of the boom tip sheaves
