HAZWOPER 40: Lesson 18 Quiz
1. The federal body that first issued the Excavation and Trenching Standard in
1971 is known as (blank).: OSHA
2. Any man-made cut, cavity, or depression in the earth's surface is referred
to as a(n) (blank).:
3. If an employee has to wear a lifeline in an excavation, an observer must be
present to ensure that:: The lifeline is working properly at all times and communi-
cation with the employee is maintained
4. The allowance width limit of a trench is how many feet?: 15
5. Working under loads handled by lifting or digging equipment should be
(blank).: Prohibited
6. Excavations greater than four feet that have a potential for oxygen defi-
ciency or other hazardous atmospheric conditions must be inspected by a(n)
(blank) before a worker is allowed to enter.: Competent person
7. Which of the following is an OSHA guideline with respect to employee safety
while installing support systems?: Ensure that the members of the support
systems are securely connected
8. Before finalizing a bid, the contractor should consider which of the following
site conditions?: All of the above
9. After excavation work is completed, the excavation itself must be (blank).:
10. The design of a protective system depends on many factors including:: Soil
classification and depth of the cut
11. The design of a protective system depends on many factors including::
1/1
1. The federal body that first issued the Excavation and Trenching Standard in
1971 is known as (blank).: OSHA
2. Any man-made cut, cavity, or depression in the earth's surface is referred
to as a(n) (blank).:
3. If an employee has to wear a lifeline in an excavation, an observer must be
present to ensure that:: The lifeline is working properly at all times and communi-
cation with the employee is maintained
4. The allowance width limit of a trench is how many feet?: 15
5. Working under loads handled by lifting or digging equipment should be
(blank).: Prohibited
6. Excavations greater than four feet that have a potential for oxygen defi-
ciency or other hazardous atmospheric conditions must be inspected by a(n)
(blank) before a worker is allowed to enter.: Competent person
7. Which of the following is an OSHA guideline with respect to employee safety
while installing support systems?: Ensure that the members of the support
systems are securely connected
8. Before finalizing a bid, the contractor should consider which of the following
site conditions?: All of the above
9. After excavation work is completed, the excavation itself must be (blank).:
10. The design of a protective system depends on many factors including:: Soil
classification and depth of the cut
11. The design of a protective system depends on many factors including::
1/1
