Chapter 1 safety

Before beginning work, check each electrical system for ___.

• current

• torque

• voltage

• frequency

When volatile liquids are used in spaces containing non-operating equipment, be sure to ___.

• use a respirator

• ventilate to prevent build-up of fumes

• monitor air quality on a safety log

• clean all surfaces before energizing equipment

When the skin is dry, it has a high resistance, and may protect a person from a fatal shock even at voltages higher than ___ volts.

• 145

• 220

• 350

• 415

When a victim of electric shock must be revived and has minor bleeding, the first thing that must be done is ___.

• call 911

• check the body for burns

• check for unconsciousness

• begin CPR

. Provisions are made to prevent machines from ___ restarting upon restoration of power in place

• Delayed

• Automatically

• manual

• safe-mode

________________ of electricity are either direct or alternating

Before you overhaul or repair any electrical equipment, open, tag, and lock the ________________ in each circuit from which power could possibly be fed

A(n) ________________ is capable of identifying hazards or working conditions which are unsanitary and has authorization to take corrective measures to eliminate them

When working with electricity, someone should be stationed near the main switch or the circuit breaker so that operating equipment can be de-energized immediately in case of emergency

• True

• False

The amount of current needed to light an ordinary 60-watt light bulb is five times what can kill a person.

• True

• False