STSC Domain 2 Hazard Identification and
Control Exam Questions With Correct Answers
Which of the following statements is true about confined spaces?
| | | | | | | | |
(A) Always have toxic chemicals in their atmosphere.
| | | | | | |
(B) Have limited means for entry or exit.
| | | | | | |
(C) They must not be entered without an air purifying respirator.
| | | | | | | | | |
(D) All the above.
| | |
(B) Have limited means for entry or exit.
| | | | | | |
When transferring flammable or compbustible liquids between containers, which
| | | | | | | | |
of the following safety measures must be undertaken?
| | | | | | |
(A) Provide electrical grounding for the larger container.
| | | | | | |
(B) Ground both containers
| | |
(C) Bond the containers with an electrical conductor.
| | | | | | |
(D) The only safety measure to follow for this situation is elimination of all
| | | | | | | | | | | | | |
sources of ignition. | |
(C) Bond the containers with an electrical conductor.
| | | | | | |
OSHA standards require safe means of access and egress to all excavations.
| | | | | | | | | | | |
Ladders, steps, ramps, or toher safe means of exit must be provided for workers
| | | | | | | | | | | | | |
working in trench excavation 4 feet ( 1.22 meters) or deeper. These devices must
| | | | | | | | | | | | | |
be located within ____ feet of all workers.
| | | | | | |
(A) 10|
(B) 25|
(C) 50|
(D) 5 |
,(B) 25 |
A Ground Fault Circuit Interrupter (GFCI):
| | | | |
(A) Detects flow of electricity to the ground and opens the circuit.
| | | | | | | | | | |
(B) Detects flow of electricity to the ground and closes the circuit.
| | | | | | | | | | |
(C) Interrupts electrical faults within the circuit by sending the electrical charges
| | | | | | | | | | | |
to the ground.
| |
(D) Provides protection against line to line contact.
| | | | | | |
(A) Detects flow of electricity to the ground and opens the circuit.
| | | | | | | | | | |
Which of the following statements BEST describes a condition known as arc eye?
| | | | | | | | | | | |
(A) Arc-eye, or welders flash, is an inflammation of the cornea.
| | | | | | | | | |
(B) Caused by ultraviolet radiation from the arc during welding.
| | | | | | | | |
(C) The symptoms of arc eye typically appear several hours after exposure.
| | | | | | | | | | |
(D) All the above.
| | |
(D) All the above.
| | |
Which of the following statements is correct regarding a trench?
| | | | | | | | |
(A) The width is greater than the depth.
| | | | | | |
(B) The depth is greater than the width.
| | | | | | |
(C) The depth is greater than 15 feet (4.6 meters).
| | | | | | | | |
(D) Only (a) and (c) above
| | | | |
(B) The depth is greater than the width
| | | | | | |
OSHA requires inspection of trenches on a ______ basis and as conditions change
| | | | | | | | | | | |
to ensure elimination of excavation hazards.
| | | | | |
(A) Weekly |
(B) Daily |
(C) Biweekly|
(D) Hourly |
,(B) Daily
|
Which of the following is NOT one of the four protective measures to ensure
| | | | | | | | | | | | | |
excavation safety? |
(A) Soil stabilization
| |
(B) Benching
|
(C) Sloping
|
(D) Shoring
|
(A) Soil stabilization
| |
Which of the following represents the BEST classification for welding and cutting
| | | | | | | | | | | |
operations?
(A) Friction producing work
| | |
(B) Heat producing work
| | |
(C) Hot Work
| |
(D) Mechanical spark producing work.
| | | |
(C) Hot Work
| |
OSHA requires the use of fall protection when construction workers are working
| | | | | | | | | | | |
at heights of ____ feet or greater above a lower level.
| | | | | | | | | |
(A) 4 |
(B) 15|
(C) 6 |
(D) 8 |
(C) 6 |
For employees working on roofing operations on roofs that are low-sloped and
| | | | | | | | | | | |
have unprotected sides and edges that are 6 feet or more above lower levels,
| | | | | | | | | | | | | |
OSHA allows the use of warning-line system in combination with any of the
| | | | | | | | | | | | |
following EXCEPT: |
, (A) Guardrail
|
(B) Safety net
| |
(C) Arrest Mattress
| |
(D) Personal Fall Arrest system
| | | |
(C) Arrest Mattress
| |
Which of the following statements is correct regarding safe us of ladders?
| | | | | | | | | | |
(A) Always maintain a 2-. point (one hand and a foot) contact on the ladder when
| | | | | | | | | | | | | | | |
climbing.
(B) An extension or straight ladder used to access an elevated surface must
| | | | | | | | | | | | |
extend at least 3 feet above the point of support.
| | | | | | | | |
(C) The proper angle for setting up a ladder is to place its base a third of the
| | | | | | | | | | | | | | | | | |
working length of the ladder. | | | |
(D) All the above
| | |
(B) An extension or straight ladder used to access an elevated surface must
| | | | | | | | | | | | |
extend at least 3 feet above the point of support.
| | | | | | | | |
The duty rating for a type 1 (heavy duty) ladder is:
| | | | | | | | | |
(A) 200 pounds
| |
(B) 375 pounds
| |
(C) 400 pounds
| |
(D) 250 pounds
| |
(D) 250 pounds
| |
A ladder that is 20 feet from the base to the top support must be placed in such a
| | | | | | | | | | | | | | | | | |
way that the base distance from the vertical plane of the top support is:
| | | | | | | | | | | | | |
(A) 10ft.
|
(B) 5ft.|
(C) 2ft |
(D) 1ft.|
Control Exam Questions With Correct Answers
Which of the following statements is true about confined spaces?
| | | | | | | | |
(A) Always have toxic chemicals in their atmosphere.
| | | | | | |
(B) Have limited means for entry or exit.
| | | | | | |
(C) They must not be entered without an air purifying respirator.
| | | | | | | | | |
(D) All the above.
| | |
(B) Have limited means for entry or exit.
| | | | | | |
When transferring flammable or compbustible liquids between containers, which
| | | | | | | | |
of the following safety measures must be undertaken?
| | | | | | |
(A) Provide electrical grounding for the larger container.
| | | | | | |
(B) Ground both containers
| | |
(C) Bond the containers with an electrical conductor.
| | | | | | |
(D) The only safety measure to follow for this situation is elimination of all
| | | | | | | | | | | | | |
sources of ignition. | |
(C) Bond the containers with an electrical conductor.
| | | | | | |
OSHA standards require safe means of access and egress to all excavations.
| | | | | | | | | | | |
Ladders, steps, ramps, or toher safe means of exit must be provided for workers
| | | | | | | | | | | | | |
working in trench excavation 4 feet ( 1.22 meters) or deeper. These devices must
| | | | | | | | | | | | | |
be located within ____ feet of all workers.
| | | | | | |
(A) 10|
(B) 25|
(C) 50|
(D) 5 |
,(B) 25 |
A Ground Fault Circuit Interrupter (GFCI):
| | | | |
(A) Detects flow of electricity to the ground and opens the circuit.
| | | | | | | | | | |
(B) Detects flow of electricity to the ground and closes the circuit.
| | | | | | | | | | |
(C) Interrupts electrical faults within the circuit by sending the electrical charges
| | | | | | | | | | | |
to the ground.
| |
(D) Provides protection against line to line contact.
| | | | | | |
(A) Detects flow of electricity to the ground and opens the circuit.
| | | | | | | | | | |
Which of the following statements BEST describes a condition known as arc eye?
| | | | | | | | | | | |
(A) Arc-eye, or welders flash, is an inflammation of the cornea.
| | | | | | | | | |
(B) Caused by ultraviolet radiation from the arc during welding.
| | | | | | | | |
(C) The symptoms of arc eye typically appear several hours after exposure.
| | | | | | | | | | |
(D) All the above.
| | |
(D) All the above.
| | |
Which of the following statements is correct regarding a trench?
| | | | | | | | |
(A) The width is greater than the depth.
| | | | | | |
(B) The depth is greater than the width.
| | | | | | |
(C) The depth is greater than 15 feet (4.6 meters).
| | | | | | | | |
(D) Only (a) and (c) above
| | | | |
(B) The depth is greater than the width
| | | | | | |
OSHA requires inspection of trenches on a ______ basis and as conditions change
| | | | | | | | | | | |
to ensure elimination of excavation hazards.
| | | | | |
(A) Weekly |
(B) Daily |
(C) Biweekly|
(D) Hourly |
,(B) Daily
|
Which of the following is NOT one of the four protective measures to ensure
| | | | | | | | | | | | | |
excavation safety? |
(A) Soil stabilization
| |
(B) Benching
|
(C) Sloping
|
(D) Shoring
|
(A) Soil stabilization
| |
Which of the following represents the BEST classification for welding and cutting
| | | | | | | | | | | |
operations?
(A) Friction producing work
| | |
(B) Heat producing work
| | |
(C) Hot Work
| |
(D) Mechanical spark producing work.
| | | |
(C) Hot Work
| |
OSHA requires the use of fall protection when construction workers are working
| | | | | | | | | | | |
at heights of ____ feet or greater above a lower level.
| | | | | | | | | |
(A) 4 |
(B) 15|
(C) 6 |
(D) 8 |
(C) 6 |
For employees working on roofing operations on roofs that are low-sloped and
| | | | | | | | | | | |
have unprotected sides and edges that are 6 feet or more above lower levels,
| | | | | | | | | | | | | |
OSHA allows the use of warning-line system in combination with any of the
| | | | | | | | | | | | |
following EXCEPT: |
, (A) Guardrail
|
(B) Safety net
| |
(C) Arrest Mattress
| |
(D) Personal Fall Arrest system
| | | |
(C) Arrest Mattress
| |
Which of the following statements is correct regarding safe us of ladders?
| | | | | | | | | | |
(A) Always maintain a 2-. point (one hand and a foot) contact on the ladder when
| | | | | | | | | | | | | | | |
climbing.
(B) An extension or straight ladder used to access an elevated surface must
| | | | | | | | | | | | |
extend at least 3 feet above the point of support.
| | | | | | | | |
(C) The proper angle for setting up a ladder is to place its base a third of the
| | | | | | | | | | | | | | | | | |
working length of the ladder. | | | |
(D) All the above
| | |
(B) An extension or straight ladder used to access an elevated surface must
| | | | | | | | | | | | |
extend at least 3 feet above the point of support.
| | | | | | | | |
The duty rating for a type 1 (heavy duty) ladder is:
| | | | | | | | | |
(A) 200 pounds
| |
(B) 375 pounds
| |
(C) 400 pounds
| |
(D) 250 pounds
| |
(D) 250 pounds
| |
A ladder that is 20 feet from the base to the top support must be placed in such a
| | | | | | | | | | | | | | | | | |
way that the base distance from the vertical plane of the top support is:
| | | | | | | | | | | | | |
(A) 10ft.
|
(B) 5ft.|
(C) 2ft |
(D) 1ft.|
