HAZWOPER 40: Lesson 18 Quiz
The federal body that first issued the Excavation and Trenching Standard in
1971 is known as (blank). correct answer -OSHA
Any man-made cut, cavity, or depression in the earth's surface is referred to as
a(n) (blank). correct answer -
If an employee has to wear a lifeline in an excavation, an observer must be
present to ensure that: correct answer -The lifeline is working properly at
all times and communication with the employee is maintained
The allowance width limit of a trench is how many feet? correct answer -
15
Working under loads handled by lifting or digging equipment should be
(blank). correct answer -Prohibited
Excavations greater than four feet that have a potential for oxygen deficiency
or other hazardous atmospheric conditions must be inspected by a(n) (blank)
before a worker is allowed to enter. correct answer -Competent person
Which of the following is an OSHA guideline with respect to employee safety
while installing support systems? correct answer -Ensure that the
members of the support systems are securely connected
The federal body that first issued the Excavation and Trenching Standard in
1971 is known as (blank). correct answer -OSHA
Any man-made cut, cavity, or depression in the earth's surface is referred to as
a(n) (blank). correct answer -
If an employee has to wear a lifeline in an excavation, an observer must be
present to ensure that: correct answer -The lifeline is working properly at
all times and communication with the employee is maintained
The allowance width limit of a trench is how many feet? correct answer -
15
Working under loads handled by lifting or digging equipment should be
(blank). correct answer -Prohibited
Excavations greater than four feet that have a potential for oxygen deficiency
or other hazardous atmospheric conditions must be inspected by a(n) (blank)
before a worker is allowed to enter. correct answer -Competent person
Which of the following is an OSHA guideline with respect to employee safety
while installing support systems? correct answer -Ensure that the
members of the support systems are securely connected
