EICA MOBILE CRANE & DIGGER DERRICK EXAM ||
MOST RECENT EXAM 2026-2027 ACTUAL COMPLETE
REAL EXAM QUESTIONS AND CORRECT ANSWERS
(VERIFIED WELL DETAILED ANSWERS) ALREADY
GRADED A+ | GUARANTEED SUCCESS!! NEWEST
EXAM | JUST RELEASED!!
When a crane's hydraulic boom sections are required to be
extended equally
and they are not, the - ANSWER -longest sections can
be damaged
Before making a near capacity lift, the operator must - ANSWER
-test the hoist
brakes by lifting the load a few inches and
holding it
Backward stability of a crane is tested with - ANSWER -
basic boom at
maximum angle with
no load
What action can cause an extended boom to topple
backwards? - ANSWER -
,swinging from the downhill side to the uphill side
(When out of level)
What would be a concern when operating with a short boom
at a high boom
angle with a R/T crane, over the side, on rubber? - ANSWER
-Backwards
stability
If a crane is not setup level and the operator swings a load from
the high side to
the low side, the load radius will - ANSWER
-Increase
When the leverage from the load exceeds the leverage applied
by the crane -
ANSWER -A loss of stability
occurs
Abruptly stopping a rapid swing on a long-boom mobile crane
will produce what
major effect? - ANSWER -Overturning the crane or
collapsing the boom
If a crane is set up out of level with a short boom at a high
boom angle and
swings to the high side, what may occur? - ANSWER -
Backward stability
,decreases
Most crawler crane's load charts are based on what
percent of tipping? -
ANSWER -
75%
Most boom truck load charts are based on what percent of
tipping? - ANSWER
-
85%
The primary purpose for a rooster sheave or auxiliary boom
point sheave is to -
ANSWER -separate the
hoist lines
When the number of layers of rope on a drum is increased on
the drum the -
ANSWER -winch cannot pull
as hard
The term "upperworks" or "superstructure" refer to the
area of the crane -
ANSWER -above the
turntable
, The design factor for rotation resistant wire rope is - ANSWER -
5 to 1
According to ASME B30.5, what is the minimum pitch diameter
for load hoisting
sheaves? - ANSWER -Not less than 18 times
rope diameter
According to OSHA, what is the minimum pitch diameter for
boom hoisting
sheaves? - ANSWER -Not less than 18 times
rope diameter
LMI shall be installed on cranes with lifting capacities of -
ANSWER -3 tons and
above
Side loading may be caused by - ANSWER -starting or stopping
the swing too
rapidly
Eccentric main boom tip reeving causes - ANSWER -twisting of
the boom
If replacing the wire rope on a crane, how do you determine the
size or type of wire rope to use - ANSWER -use manufacturer's
operator manual or load chart
MOST RECENT EXAM 2026-2027 ACTUAL COMPLETE
REAL EXAM QUESTIONS AND CORRECT ANSWERS
(VERIFIED WELL DETAILED ANSWERS) ALREADY
GRADED A+ | GUARANTEED SUCCESS!! NEWEST
EXAM | JUST RELEASED!!
When a crane's hydraulic boom sections are required to be
extended equally
and they are not, the - ANSWER -longest sections can
be damaged
Before making a near capacity lift, the operator must - ANSWER
-test the hoist
brakes by lifting the load a few inches and
holding it
Backward stability of a crane is tested with - ANSWER -
basic boom at
maximum angle with
no load
What action can cause an extended boom to topple
backwards? - ANSWER -
,swinging from the downhill side to the uphill side
(When out of level)
What would be a concern when operating with a short boom
at a high boom
angle with a R/T crane, over the side, on rubber? - ANSWER
-Backwards
stability
If a crane is not setup level and the operator swings a load from
the high side to
the low side, the load radius will - ANSWER
-Increase
When the leverage from the load exceeds the leverage applied
by the crane -
ANSWER -A loss of stability
occurs
Abruptly stopping a rapid swing on a long-boom mobile crane
will produce what
major effect? - ANSWER -Overturning the crane or
collapsing the boom
If a crane is set up out of level with a short boom at a high
boom angle and
swings to the high side, what may occur? - ANSWER -
Backward stability
,decreases
Most crawler crane's load charts are based on what
percent of tipping? -
ANSWER -
75%
Most boom truck load charts are based on what percent of
tipping? - ANSWER
-
85%
The primary purpose for a rooster sheave or auxiliary boom
point sheave is to -
ANSWER -separate the
hoist lines
When the number of layers of rope on a drum is increased on
the drum the -
ANSWER -winch cannot pull
as hard
The term "upperworks" or "superstructure" refer to the
area of the crane -
ANSWER -above the
turntable
, The design factor for rotation resistant wire rope is - ANSWER -
5 to 1
According to ASME B30.5, what is the minimum pitch diameter
for load hoisting
sheaves? - ANSWER -Not less than 18 times
rope diameter
According to OSHA, what is the minimum pitch diameter for
boom hoisting
sheaves? - ANSWER -Not less than 18 times
rope diameter
LMI shall be installed on cranes with lifting capacities of -
ANSWER -3 tons and
above
Side loading may be caused by - ANSWER -starting or stopping
the swing too
rapidly
Eccentric main boom tip reeving causes - ANSWER -twisting of
the boom
If replacing the wire rope on a crane, how do you determine the
size or type of wire rope to use - ANSWER -use manufacturer's
operator manual or load chart
