EXAM STUDY GUIDE 2026/2027
ACCURATE QUESTIONS WITH
CORRECT DETAILED SOLUTIONS ||
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<NEWEST VERSION>
1. What is a ant-two blocking device, and where is it located? - ANSWER ✔
it stops the hook from accidentally colliding with the boom tip.
its a cylinder located near top
2. Principle of leverage - ANSWER ✔ it is the weight diagram.
3. dynamic loading - ANSWER ✔ erratic or sudden movement of loads must
be avoided. always operate the crane in a smooth and controlled manner
4. parts of line - ANSWER ✔ the number of hoist ropes which appear to
directly support the lower load block or overhaul ball.
5. each hoist lowers the pulling force needed
6. high winds - ANSWER ✔ when wind exceeds 30mph, it is advised to
consider stopping the operation. However, load size, shape and weight could
require that the operation be stopped when wind speed is much less than
30mph
7. kinking - ANSWER ✔ when the rope turns
gets a "kink" in it
,8. what are 3 operational aids? - ANSWER ✔ 1. load weight or load moment
indicator
2. boom angle indicator
3. Anti two blocking device
9. the test answer is probably "load block"
10.OSHA requires that before being used, cranes which have been idle for 3+
months must.... - ANSWER ✔ be given a monthly inspection by a
qualified person
11.How must the crane be set up? talking about the tires - ANSWER ✔ all
tires must be relieved of the cranes weight
12.use of blocking - ANSWER ✔ ensure blockinbg is level and that the
outrigger pad is at 90 degrees to the stabilizer
13.required clearance for operations near high voltage power lines. Up to 50 kV
- ANSWER ✔ 10 feet
14.what do you do if your crane comes into contact with a power line -
ANSWER ✔ stay in the cab
15.What is the correct response to contact with a power line - ANSWER ✔ try
to disengage the crane from contact
16.Should you climb or jump off a crane, after it comes into contact with a
power line? - ANSWER ✔ JUMP. do not make contact with the crane and
the ground at the same time
17.how to climb on and off the crane - ANSWER ✔ always face the machine
when climbing on and off and maintain "three-point contact" at all times
18.What is the following ASME standards applies directly to mobile cranes? -
ANSWER ✔ ASME Standard B30.5
,19.The primary concern of every mobile crane operator must be.. - ANSWER
✔ Safety
20.Per OSHA standards, a mobile crane operator certification is valid for -
ANSWER ✔ 5 years
21.In order to qualify as an apprenticeship program, a training program must
include at least - ANSWER ✔ 144 hours of technical instruction per year
22.The responsibility to document the working hours of an apprentice and
provide it to the apprenticeship committee belongs to the.. - ANSWER ✔
Apprentice
23.Loyalty is an important quality .. - ANSWER ✔ For both employees and
employers
24.The mast heights of mobile crane can approach.. - ANSWER ✔ 1,000 feet
(213 meters)
25.Crane operation is always done in accordance with _____ 1910.179
standards - ANSWER ✔ OSHA
26.If you are issued a class 3A license you may operate all electric and air
powered hoisting equipment except those which may also require a 1A
license - ANSWER ✔ True
27.The safe working load of a hook is not reduced if the load is applied
anywhere between the saddle in the tip of the hook - ANSWER ✔ False
28.What is the runway in which the crane runs across the plant called? -
ANSWER ✔ Rails
29.What air pressure necessary for rated performance on air winches? -
ANSWER ✔ Manufacturers specifications
30.All hooks shall have a _____ to retain swings and attachments - ANSWER
✔ Safety clip
, 31.Weight of Steel (lbs/cubic ft) - ANSWER ✔ 490 lbs/cubic ft
32.What to do when leaving Crane? - ANSWER ✔ No load on the hook
Hook is up and back (15'x15')
Power off
Weathervane
33.How deep is the earthing rod? - ANSWER ✔ 1.5 meters or 5ft
34.Maximum Wind Speed for Personnel and Crane Operations - ANSWER ✔
20 mph for Personnel
45mph for Crane operations
35.What is the minimum pitch diameter for load block sheaves - ANSWER ✔
Not less than 18 times the rope diameter
36.Luffing boom hoist running rope has a design factor of what? - ANSWER
✔ 3.5 to 1
37.Drum flanged shall not be less than ___ above the top layer of rope? -
ANSWER ✔ 1/2 inch
38.What is the minimum pitch diameter for luffing boom hoist sheaves? -
ANSWER ✔ Not less than 15 times rope diameter
39.Standard crane inspections shall be conducted by who? - ANSWER ✔
Designated person
40.Major crane inspections shall be conducted at __ year intervals? - ANSWER
✔ 5 year
41.Wire rope sling for personnel platform must be fabricated with what? -
ANSWER ✔ A thimble in the eye
42.A crane hooks throat opening must not exceed what percent? - ANSWER
✔ 10%