Question

1. it only takes ____ minute(s) to produce a lethal amount of carbon monoxide in a closed 1 - car garage from a small engine. (1 point) *

1
3
10
11

1. tools should always (1 point) *

be kept in good working condition
be kept clean
be put away in their proper location when you are done using them
all of the above

1. when using a power tool (1 point) *

make sure the electrical cord has no cracks or frays
make sure the guards and shields are in place
make sure the operator is properly trained in the use of the tool
all of the above

1. before servicing or adjusting, the power tool needs to be (1 point) *

shut off and unplugged (disconnected from power)
shut off
on and running
none of the above

Explanation:

• For the first question, it is a known safety - fact that a small engine in a closed 1 - car garage can produce a lethal amount of carbon monoxide in 10 minutes.
• For the second question, tools should be well - maintained (kept in good working condition and clean) and properly stored, so all options are correct.
• For the third question, when using a power tool, electrical safety, presence of guards, and operator training are important, so all options are correct.
• For the fourth question, before servicing or adjusting a power tool, it must be shut off and unplugged to ensure safety.

Answer:

• First question: 10
• Second question: all of the above
• Third question: all of the above
• Fourth question: shut off and unplugged (disconnected from power)