HVAC State Test Prep 14

Which of the following is not considered a safety hazard?

• ignoring safety codes
• not wearing safety glasses
• not wearing steel-toed shoes
• having a fire extinguisher available

Which of the following is not a recommended safety practice?

• following all safety codes
• wiring up the compressor with the power on
• reading instructions thoroughly and following them
• using a quenching cloth for brazing operations

What is the symbol for safety alert?

• a triangle with an exclamation mark enclosed
• a circle with period enclosed
• a triangle with a flame in it
• a rectangle with the word “caution” written inside it

Which of the following is not a signal word?

• danger
• warning
• help
• caution

The word “danger” identifies the most serious hazards, which could result in personal injury or __________.

• harm
• amputation
• death
• hospitalization

When working with electricity, it is important not to touch the __________ wire.

• low voltage
• gray
• green
• hot

If you make contact with a white wire and a black wire, what voltage would you be aware of immediately?

• 120
• 240
• 12
• 24

If you make contact with a white wire and a red wire, what voltage would you come across?

• 120
• 240
• 12
• 24

If you are working on a piece of equipment and trying to wire it up and happen to get across the red and black wires in the power line, what would be the voltage present?

• 120
• 240
• 12
• 24

While working with the thermostat circuit, you make contact with the two wires coming from the transformer secondary. What is the voltage you receive this time?

• 200
• 100
• 12
• 24