EICA Mobile Crane & Digger Derrick Test Bank (New 2026/2027 Update) Questions with Verified Answers |100% Correct | Grade A.

EICA Mobile Crane & Digger Derrick Test Bank
(New 2026/2027 Update) Questions with
Verified Answers |100% Correct | Grade A.


Question:

What is the purpose of placing blocking or pads under the outrigger
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



floats??

Answer:
Distribute the force over a larger area
i,- i,- i,- i,- i,- i,-




Question:
While swinging a heavy load with a crane set up on outriggers and the
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-


operator swings over one of the outriggers, that outrigger must be able
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-


to support?
i,-




Answer:

85% of the weight of the crane and 100% of the weight of the load
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-




Question:
What is the first thing an operator should do before traveling under a low
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-


pipe rack or obstruction??
i,- i,- i,-




Answer:

,post a signalperson to check clearances
i,- i,- i,- i,- i,-




Question:

According to OSHA, when traveling under an energized power line, what
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-


is the minimum distance for a line with over 750kv??
i,- i,- i,- i,- i,- i,- i,- i,- i,-




Answer:

20ft




Question:
When a crane is in transit and you are required to pass under 50kV power
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-


lines, what is OSHA's minimum required clearance??
i,- i,- i,- i,- i,- i,-




Answer:

6 ft (Table T)
i,- i,- i,-




Question:
If setting up the crane by a ditch or an excavation, you should stay at least
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-


what distance from the edge??
i,- i,- i,- i,-




Answer:

1 ½ times the depth of the excavation
i,- i,- i,- i,- i,- i,- i,-

,Question:
When working at ground floor level near a cellar wall, the crane's
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



outrigger pads or tracks should be placed?
i,- i,- i,- i,- i,- i,-




Answer:

at least as far back as the depth of the wall below ground
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-




Question:

According to OSHA who is responsible for ensuring proper ground
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



conditions when setting up a mobile crane??
i,- i,- i,- i,- i,- i,-




Answer:

The controlling entity
i,- i,-




Question:

What is not a good location for crane set up??
i,- i,- i,- i,- i,- i,- i,- i,- i,-




Answer:

Above utilities i,-




Question:
What is the best procedure to follow when underground utilities may be
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



present??
Answer:

, Contact local utility company i,- i,- i,-




If not overloaded, the ground bearing pressure of a single outrigger pad
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



can approach a weight equal to:?
i,- i,- i,- i,- i,-




Answer:
85% of the weight of the crane and 100% of the suspended load
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-




Question:

If you move a crawler crane from soft ground to harder ground, ground
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-


bearing pressure will? i,- i,-




Answer:
increase




Question:
On a crawler crane, ground bearing pressure is greatest when hoisting
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-


where??

Answer:

over the corneri,- i,-




Question: