1B MA Hoisting License Practice Exam: Questions and Answers
When can you use a chain sling? RIGHT ANSWER - When you use a chain sling
according to 29CFR 1926
What does a chain sling according to 29CFR 1926 let you do? RIGHT ANSWER -
Use a chain sling
Why do most mobile crane accidents happen? RIGHT ANSWER - Poor
Operation
What does poor operation cause the most of? RIGHT ANSWER - Mobile Crane
Accidents
What happens to the loads center of gravity when its lifted? RIGHT ANSWER -
The center of gravity moves directly under the boom point sheave
What has to happen to the center of gravity for it to move directly under the
boom point sheave? RIGHT ANSWER - The loads center of gravity was lifted
How much is the percentage of tipping, per the crawler crane's stability rating?
RIGHT ANSWER - 75%
75% is the percentage of tipping for? RIGHT ANSWER - Per the crawler cranes
stability rating
, According to MA regulations on hoisting equipment operation, what is the
required source of information regarding the operation of equipment? RIGHT
ANSWER - The operators manual
The operator’s manual is the required source for what? RIGHT ANSWER - The
operation of equipment; according to MA regulations on hoisting equipment
operation
True or False: If an operator is operating hoisting equipment without a
problem, but an inspector from OPSI demands that operation stop, the
operator’s judgment can override the inspector. Operation does not need to
stop in that case. RIGHT ANSWER - False
Does operation need to stop If an operator is operating hoisting equipment
without a problem, but an inspector from OPSI demands that operation stop,
the operator’s judgment can override the inspector. RIGHT ANSWER - Yes
What two main factors determine the capacity of a mobile crane? RIGHT
ANSWER - Structural Strength & Stability
Structural Strength & Stability are the two main factors that determine what?
RIGHT ANSWER - The capacity of a mobile crane
Why should an operator put blocking or mats under the outrigger rams? RIGHT
ANSWER –
1. To make the Crane Level
2. To Keep the outriggers from sinking
3. To provide better weight distribution of the whole crane
When can you use a chain sling? RIGHT ANSWER - When you use a chain sling
according to 29CFR 1926
What does a chain sling according to 29CFR 1926 let you do? RIGHT ANSWER -
Use a chain sling
Why do most mobile crane accidents happen? RIGHT ANSWER - Poor
Operation
What does poor operation cause the most of? RIGHT ANSWER - Mobile Crane
Accidents
What happens to the loads center of gravity when its lifted? RIGHT ANSWER -
The center of gravity moves directly under the boom point sheave
What has to happen to the center of gravity for it to move directly under the
boom point sheave? RIGHT ANSWER - The loads center of gravity was lifted
How much is the percentage of tipping, per the crawler crane's stability rating?
RIGHT ANSWER - 75%
75% is the percentage of tipping for? RIGHT ANSWER - Per the crawler cranes
stability rating
, According to MA regulations on hoisting equipment operation, what is the
required source of information regarding the operation of equipment? RIGHT
ANSWER - The operators manual
The operator’s manual is the required source for what? RIGHT ANSWER - The
operation of equipment; according to MA regulations on hoisting equipment
operation
True or False: If an operator is operating hoisting equipment without a
problem, but an inspector from OPSI demands that operation stop, the
operator’s judgment can override the inspector. Operation does not need to
stop in that case. RIGHT ANSWER - False
Does operation need to stop If an operator is operating hoisting equipment
without a problem, but an inspector from OPSI demands that operation stop,
the operator’s judgment can override the inspector. RIGHT ANSWER - Yes
What two main factors determine the capacity of a mobile crane? RIGHT
ANSWER - Structural Strength & Stability
Structural Strength & Stability are the two main factors that determine what?
RIGHT ANSWER - The capacity of a mobile crane
Why should an operator put blocking or mats under the outrigger rams? RIGHT
ANSWER –
1. To make the Crane Level
2. To Keep the outriggers from sinking
3. To provide better weight distribution of the whole crane
