NCCCO TELESCOPIC BOOM CRANE SWING
CAB TLL AND CORE SITE WINTER TEST
BANK BUNDLED TESTS SOLVED
QUESTIONS EXPERT CERTIFIED 100
PERCENT CORRECT
⩥ Increasing the distance from the crane's center of gravity to the tipping
axis will have what effect on a mobile crane?
Answer: Increase stability.
⩥ Backward stability of a mobile crane is tested in which configuration
listed below?
Answer: Basic boom at maximum angle with no load.
⩥ What is the minimum pitch diameter used for sheaves in a boom hoist
reeving system using rotation resistant wire rope?
Answer: Not less than 18 times rope diameter.
⩥ When can capacity altering modifications be made to mobile cranes?
Answer: When permission is given by the crane manufacturer.
, ⩥ A crane is at the point of instability when the crane's leverage on the
load equals:
Answer: 100% of the load's leverage on crane.
⩥ Who must determine maximum speed for a mobile crane to travel
with a suspended load?
Answer: The competent person.
⩥ Deflection of the boom while operating a mobile crane will increase?
Answer: Load radius.
⩥ A sudden start or stop of the hoisting function while operating a
mobile crane can produce a:
Answer: dynamic load.
⩥ When traveling with a suspended load on a mobile crane climbing an
incline, the load should be carried in which direction?
Answer: Uphill.
⩥ Which mobile crane boom configuration can cause the most
hazardous side-loading condition for the crane?
Answer: Long boom with minimum radius.
CAB TLL AND CORE SITE WINTER TEST
BANK BUNDLED TESTS SOLVED
QUESTIONS EXPERT CERTIFIED 100
PERCENT CORRECT
⩥ Increasing the distance from the crane's center of gravity to the tipping
axis will have what effect on a mobile crane?
Answer: Increase stability.
⩥ Backward stability of a mobile crane is tested in which configuration
listed below?
Answer: Basic boom at maximum angle with no load.
⩥ What is the minimum pitch diameter used for sheaves in a boom hoist
reeving system using rotation resistant wire rope?
Answer: Not less than 18 times rope diameter.
⩥ When can capacity altering modifications be made to mobile cranes?
Answer: When permission is given by the crane manufacturer.
, ⩥ A crane is at the point of instability when the crane's leverage on the
load equals:
Answer: 100% of the load's leverage on crane.
⩥ Who must determine maximum speed for a mobile crane to travel
with a suspended load?
Answer: The competent person.
⩥ Deflection of the boom while operating a mobile crane will increase?
Answer: Load radius.
⩥ A sudden start or stop of the hoisting function while operating a
mobile crane can produce a:
Answer: dynamic load.
⩥ When traveling with a suspended load on a mobile crane climbing an
incline, the load should be carried in which direction?
Answer: Uphill.
⩥ Which mobile crane boom configuration can cause the most
hazardous side-loading condition for the crane?
Answer: Long boom with minimum radius.
