Use and Care of Tools

What is the combined effect of air temperature and wind speed in a cold environment called?

• Core temperature

• Frostbite

• Wind chill

• Trench foot

Which type of fabric does not retain its insulation value when wet in a cold environment?

• Cotton

• Wool

• Silk

• Synthetic

Which of the following is considered the last line of defense for personal safety?

• Hazard elimination

• Engineering controls

• PPE

• Safety signage

When should ear protection be used to prevent hearing loss?

• When handling pipe and material

• When operating powered machinery

• When using safety glasses

• When exposed to noise levels above 85 dBA

What is the purpose of using a GFCI (Ground Fault Circuit Interrupter) and ensuring power cords

have a ground plug?

• To test cords for continuity and ground

• To prevent tools from being used in wet areas

• To ensure a safe path to ground and interrupt the circuit in case of power imbalance

• To equip power tools with foot switches

Why should the power switch be in the "Off" position before plugging in a tool?

• To prevent tools from being used in wet areas

• To test cords for continuity and ground

• To ensure a safe path to ground and interrupt the circuit in case of power imbalance

• To prevent injury in case the tool starts unexpectedly

What is the requirement for outlets used on construction sites according to OSHA regulations?

• They must have surge protection

• They must have GFCI protection

• They must have grounding rods

• They must have AHJ protection

Which of the following precautions should be taken to ensure safe operation and maintain

cleanliness while using threading equipment?

• Place plywood or protective material under and around the machine

• Use the machine only in unfinished areas

• Apply only clear cutting oils to avoid stains

• Disassemble machine carriage when not in use

Which type of receptacles require GFCI protection on construction sites?

• Receptacles connected to permanent wiring

• Receptacles used for temporary power

• Receptacles with surge protection

• Receptacles with AFCI protection

What is the purpose of placing suitable pipe supports or stands adjacent to the power drive

during threading?

• To adjust the centering head

• To engage the pipe wall with the jaws

• To hold the pipe securely in place

• To remove burrs and sharp edges from the pipe