MO-Valley Study Guide Comprehensive Resource To Help
You Ace 2026-2027 Exams Includes Frequently Tested
Questions With ELABORATED 100% Correct COMPLETE
SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. The highest maximum use voltage for rubber insulating equipment for phase-
to-phase exposure is ?
a. 12.8 kV
b. 36 kV
c. 46 kV
d. 69 kV - Correct Answer: b. 36 kV
2. The voltage rating of a pair of rubber gloves is expressed at the ?
a. kVA maximum contact rating
b. phase-to-ground voltage
c. phase-to-phase voltage
d. RMS (root/mean/square) voltage rating - Correct Answer: c. phase-to-phase
voltage
3. If an electrical Worker's arms and/or shoulders will be within the minimum
approach distance of conductors that are not protected or covered, the lineman
must wear ?
,. a cotton shirt/protective overcoat
b. FR outer layer
c. rubber boots
d. rubber sleeves - Correct Answer: d. rubber sleeves
4. Ozone damage starts when the rubber is elongated ?
a. 0% to 1%
b. 2% to 3%
c. 5% to 10%
d. 15% to 30% - Correct Answer: b. 2% to 3%
5. Which of the following will result in damage to rubber goods?
a. Laying rubber blankets flat
b. Ozone cutting
c. Storing in canvas or PVC container
d. Washing with warm soapy water - Correct Answer: b. Ozone cutting
6. When used on energized conductors, a line hose provides Electrical workers ?
a. margin of safety, for error without injury while on energized conductors
b. a place to lay across when on an outside phase
c. the ability to ignore the minimum approach distance of phase-to-phase
conductors
,d. the ability to work without rubber gloves - Correct Answer: a. margin of
safety, for error without injury while on energized conductors
7. If a confined space contains a vertical depth of ? or more, a mechanical retrieval
device must be present.
a. 4'
b. 5'
c. 6'
d. 8' - Correct Answer: b. 5'
8. Normal air contains 20.8% oxygen. The MAXIMUM safe level of oxygen in a
confined
space is?
a. 18 %
b. 23.5%
c. 28%
d. 32.5% - Correct Answer: b. 23.5%
9. The person who has the responsibility of implementing the procedures of the
confined space program is the?
a. authorized attendant
b. authorized entrant
c. entry supervisor
, d. safety supervisor - Correct Answer: c. entry supervisor
10. What safety procedure contributes the safety, efficiency, harmony, and
productivity mor than any other?
a. insolate/isolate
b. lockout/tagout
c. OSHA-10 training
d. Pre-Job briefing / tailboard - Correct Answer: d. Pre-Job briefing / tailboard
11. If all workers involved on a project are to be informed, safe, and productive, ?
is a must.
a. communication and understanding
b. discipline
c. regular attendance
d. standardization - Correct Answer: a. communication and understanding
12. In safety meetings, you must ?.
a. actively and willingly participate
b. be a good listener
c. not question anything that is said
d. take thorough notes - Correct Answer: a. actively and willingly participate
You Ace 2026-2027 Exams Includes Frequently Tested
Questions With ELABORATED 100% Correct COMPLETE
SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. The highest maximum use voltage for rubber insulating equipment for phase-
to-phase exposure is ?
a. 12.8 kV
b. 36 kV
c. 46 kV
d. 69 kV - Correct Answer: b. 36 kV
2. The voltage rating of a pair of rubber gloves is expressed at the ?
a. kVA maximum contact rating
b. phase-to-ground voltage
c. phase-to-phase voltage
d. RMS (root/mean/square) voltage rating - Correct Answer: c. phase-to-phase
voltage
3. If an electrical Worker's arms and/or shoulders will be within the minimum
approach distance of conductors that are not protected or covered, the lineman
must wear ?
,. a cotton shirt/protective overcoat
b. FR outer layer
c. rubber boots
d. rubber sleeves - Correct Answer: d. rubber sleeves
4. Ozone damage starts when the rubber is elongated ?
a. 0% to 1%
b. 2% to 3%
c. 5% to 10%
d. 15% to 30% - Correct Answer: b. 2% to 3%
5. Which of the following will result in damage to rubber goods?
a. Laying rubber blankets flat
b. Ozone cutting
c. Storing in canvas or PVC container
d. Washing with warm soapy water - Correct Answer: b. Ozone cutting
6. When used on energized conductors, a line hose provides Electrical workers ?
a. margin of safety, for error without injury while on energized conductors
b. a place to lay across when on an outside phase
c. the ability to ignore the minimum approach distance of phase-to-phase
conductors
,d. the ability to work without rubber gloves - Correct Answer: a. margin of
safety, for error without injury while on energized conductors
7. If a confined space contains a vertical depth of ? or more, a mechanical retrieval
device must be present.
a. 4'
b. 5'
c. 6'
d. 8' - Correct Answer: b. 5'
8. Normal air contains 20.8% oxygen. The MAXIMUM safe level of oxygen in a
confined
space is?
a. 18 %
b. 23.5%
c. 28%
d. 32.5% - Correct Answer: b. 23.5%
9. The person who has the responsibility of implementing the procedures of the
confined space program is the?
a. authorized attendant
b. authorized entrant
c. entry supervisor
, d. safety supervisor - Correct Answer: c. entry supervisor
10. What safety procedure contributes the safety, efficiency, harmony, and
productivity mor than any other?
a. insolate/isolate
b. lockout/tagout
c. OSHA-10 training
d. Pre-Job briefing / tailboard - Correct Answer: d. Pre-Job briefing / tailboard
11. If all workers involved on a project are to be informed, safe, and productive, ?
is a must.
a. communication and understanding
b. discipline
c. regular attendance
d. standardization - Correct Answer: a. communication and understanding
12. In safety meetings, you must ?.
a. actively and willingly participate
b. be a good listener
c. not question anything that is said
d. take thorough notes - Correct Answer: a. actively and willingly participate
