EICA MOBILE CRANE Prep
Study Guide Comprehensive Resource To Help You Ace
2026-2027 Exams Includes Frequently Tested Questions
With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. When the angle of a cranes boom is between two angles listed on the chart,
you must use which angle listed?
a. Next higher angle listed
b. Next longer angle listed
c. Next lower angle listed
d. Next shorter angle listed
Correct Answer: c. Next lower angle listed
2. When operating a crane and you boom down. What does the radius do?
a. Decrease
b. Increase
c. Don't change
Correct Answer: b. Increase
3. Most Digger Derricks will allow an operator to pick loads up to what degree
out of level?
a. Up to 3 degrees
b. Up to 4 degrees
c. Up to 5 degrees
d. Up to 6 degrees
Correct Answer: c. Up to 5 degrees
,4. When does an erected jib have its greatest effect on the crane?
a. Long boom, high boom angle
b. Short boom, high boom angle
c. Long boom, low boom angle
d. Short boom, low boom angle
Correct Answer: c. Long boom, low boom angle
5. Most boom truck load charts are based on what percent of tipping?
a. 75%
b. 80%
c. 85%
d. 100%
Correct Answer: c. 85%
6. While performing a shift inspection on a crane and there is water
accumulation around the outrigger, what must be done?
a. Nothing
b. Drained
c. Filled in
d. Add cribbing
Correct Answer: b. Drained
7. When leveling a crane where would be the best location to place the level?
a. Outriggers
b. Upper works
c. Carrier
d. Deck
Correct Answer: b. Upper works
8. Most crane manufacturers do not permit additional ? to be added to the
crane?
a. Fire extinguisher
, b. Toolboxes
c. Labels/decals
d. Mirrors
Correct Answer: b. Toolboxes
9. If a crane has a stod jib on while lifting a load , the jib deduction is based on
the ?
a. Effective weight
b. Actual weight
c. Assumed weight
d. Not deducted
Correct Answer: a. Effective weight
10.What may occur when operating a crane that is out of level and you swing
to low side?
a. Radius decease
b. Radius increase
c. Boom length increases
d. Boom angle increases
Correct Answer: b. Radius increase
11.While operating a boom truck near a reinforced retaining wall , it is
recommended to stay back?
a. 2 to 1
b. 1 to 1
c. 3 to 1
d. 1/2 to 1
Correct Answer: b. 1 to 1
12.When a proper working A2B is activated what operations stop?
a. swing, boom up
b. Hoist up, boom down
, c. Swing
d. Hoist down, boom up
Correct Answer: b. Hoist up, boom down
13.According to OSHA 1926 subpart cc monthly inspection records must be
retained for a minimum of ?
a. 30 days
b. 45 days
c. 90 days
d. 365 days
Correct Answer: c. 90 days
14.According to the ASME B.30 standards, when inspecting a crane's hook, it is
not permissible to have more than a ? throat opening.
a. 10%
b. 5%
c. 15%
d. 0%
Correct Answer: b. 5%
15.When lifting a load with a crane and a hydraulic leak occurs in the outrigger,
what must the operator do?
a. Stop all operations
b. Continue hoisting
c. Attempt to land the load safely
d. Clear the area
Correct Answer: c. Attempt to land the load safely
16.How does a crane operator account for boom deflection when lifting a load
with a boom truck?
a. Lower the boom angle a degree or 2 before hoisting
b. Raise the boom angle a degree or 2 before hoisting
Study Guide Comprehensive Resource To Help You Ace
2026-2027 Exams Includes Frequently Tested Questions
With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. When the angle of a cranes boom is between two angles listed on the chart,
you must use which angle listed?
a. Next higher angle listed
b. Next longer angle listed
c. Next lower angle listed
d. Next shorter angle listed
Correct Answer: c. Next lower angle listed
2. When operating a crane and you boom down. What does the radius do?
a. Decrease
b. Increase
c. Don't change
Correct Answer: b. Increase
3. Most Digger Derricks will allow an operator to pick loads up to what degree
out of level?
a. Up to 3 degrees
b. Up to 4 degrees
c. Up to 5 degrees
d. Up to 6 degrees
Correct Answer: c. Up to 5 degrees
,4. When does an erected jib have its greatest effect on the crane?
a. Long boom, high boom angle
b. Short boom, high boom angle
c. Long boom, low boom angle
d. Short boom, low boom angle
Correct Answer: c. Long boom, low boom angle
5. Most boom truck load charts are based on what percent of tipping?
a. 75%
b. 80%
c. 85%
d. 100%
Correct Answer: c. 85%
6. While performing a shift inspection on a crane and there is water
accumulation around the outrigger, what must be done?
a. Nothing
b. Drained
c. Filled in
d. Add cribbing
Correct Answer: b. Drained
7. When leveling a crane where would be the best location to place the level?
a. Outriggers
b. Upper works
c. Carrier
d. Deck
Correct Answer: b. Upper works
8. Most crane manufacturers do not permit additional ? to be added to the
crane?
a. Fire extinguisher
, b. Toolboxes
c. Labels/decals
d. Mirrors
Correct Answer: b. Toolboxes
9. If a crane has a stod jib on while lifting a load , the jib deduction is based on
the ?
a. Effective weight
b. Actual weight
c. Assumed weight
d. Not deducted
Correct Answer: a. Effective weight
10.What may occur when operating a crane that is out of level and you swing
to low side?
a. Radius decease
b. Radius increase
c. Boom length increases
d. Boom angle increases
Correct Answer: b. Radius increase
11.While operating a boom truck near a reinforced retaining wall , it is
recommended to stay back?
a. 2 to 1
b. 1 to 1
c. 3 to 1
d. 1/2 to 1
Correct Answer: b. 1 to 1
12.When a proper working A2B is activated what operations stop?
a. swing, boom up
b. Hoist up, boom down
, c. Swing
d. Hoist down, boom up
Correct Answer: b. Hoist up, boom down
13.According to OSHA 1926 subpart cc monthly inspection records must be
retained for a minimum of ?
a. 30 days
b. 45 days
c. 90 days
d. 365 days
Correct Answer: c. 90 days
14.According to the ASME B.30 standards, when inspecting a crane's hook, it is
not permissible to have more than a ? throat opening.
a. 10%
b. 5%
c. 15%
d. 0%
Correct Answer: b. 5%
15.When lifting a load with a crane and a hydraulic leak occurs in the outrigger,
what must the operator do?
a. Stop all operations
b. Continue hoisting
c. Attempt to land the load safely
d. Clear the area
Correct Answer: c. Attempt to land the load safely
16.How does a crane operator account for boom deflection when lifting a load
with a boom truck?
a. Lower the boom angle a degree or 2 before hoisting
b. Raise the boom angle a degree or 2 before hoisting
