Final Exam OSHA 10 hour construction
program Correct 100%
What are the four main types of electrical injuries - ANSWER Electrocution, electric
shock, burns, indirect (e.g., a fall from a ladder)
Two of the main differences between the hydraulic rough terrain crane and the crawler
lattice boom friction crane are - ANSWER In boom hoist and load line controls
The greatest hazards posed by hand tools result in - ANSWER Misuse and improper
maintenance
In general, head protection should do which of the following? - ANSWER All of the
above
Anytime an adapter is used to accommodate a two-hole receptacle, the adapter wire
must: - ANSWER Be attached to a known ground
Prestressed concrete is often used in modern construction because - ANSWER Its
unique strength allows predetermined engineering stresses to be placed in members to
counteract stresses that occur when the unit is subjected to service loads
The two best means of avoiding injury from electrical devices are: - ANSWER Insulation
and grounding
. If a powder-actuated tool misfires, the employee should: - ANSWER Wait at least 30
seconds, then try firing again
OSHA defines an excavation as - ANSWER Any man-made cavity, depression, trench
or cut in the earth's surface formed by earth removal
Most OSHA electrical safety guidelines and regulations for construction are contained in
Subpart K, 29 CFR 1926, which is based on: - ANSWER The National Electrical Code
A green wire or green wire with yellow stripes is used to indicate - ANSWER an
insulating conductor wire
Where there might be an electrical hazard, OSHA recommends a three-stage safety
model: - ANSWER Recognize, evaluate, and control
Crystalline silica is a common substance that is the main component of sand, quartz
and granite rock. Long term exposure to this substance has been known to cause
silicosis. - ANSWER True
program Correct 100%
What are the four main types of electrical injuries - ANSWER Electrocution, electric
shock, burns, indirect (e.g., a fall from a ladder)
Two of the main differences between the hydraulic rough terrain crane and the crawler
lattice boom friction crane are - ANSWER In boom hoist and load line controls
The greatest hazards posed by hand tools result in - ANSWER Misuse and improper
maintenance
In general, head protection should do which of the following? - ANSWER All of the
above
Anytime an adapter is used to accommodate a two-hole receptacle, the adapter wire
must: - ANSWER Be attached to a known ground
Prestressed concrete is often used in modern construction because - ANSWER Its
unique strength allows predetermined engineering stresses to be placed in members to
counteract stresses that occur when the unit is subjected to service loads
The two best means of avoiding injury from electrical devices are: - ANSWER Insulation
and grounding
. If a powder-actuated tool misfires, the employee should: - ANSWER Wait at least 30
seconds, then try firing again
OSHA defines an excavation as - ANSWER Any man-made cavity, depression, trench
or cut in the earth's surface formed by earth removal
Most OSHA electrical safety guidelines and regulations for construction are contained in
Subpart K, 29 CFR 1926, which is based on: - ANSWER The National Electrical Code
A green wire or green wire with yellow stripes is used to indicate - ANSWER an
insulating conductor wire
Where there might be an electrical hazard, OSHA recommends a three-stage safety
model: - ANSWER Recognize, evaluate, and control
Crystalline silica is a common substance that is the main component of sand, quartz
and granite rock. Long term exposure to this substance has been known to cause
silicosis. - ANSWER True
