Household 120-V Outlets Are Made to Accept Three-Pronged Plugs

question 60

Multiple Choice

Household 120-V outlets are made to accept three-pronged plugs. One of the prongs attaches to the "live" wire at 120 V, and another attaches to the "neutral" wire that is connected to ground. What is the round third prong for?

• A) It serves as a backup to the hot wire.
• B) Nothing electrical, it is for mechanical sturdiness.
• C) It connects the case of the appliance directly to ground for safety purposes.
• D) It lets the appliance run if the neutral wire breaks.

Know the requirements for a binding contract, including mutual assent, consideration, legality of object, and contractual capacity.

Identify the governing laws for different types of contracts (goods, services, employment).

Understand the principles of enforceability for noncontractual promises based on justifiable reliance.

Recognize when a contract is voidable due to material misrepresentation.

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Definitions:

Maxilla

A pair of bones forming the upper jaw, central portion of the facial skeleton, and part of the roof of the mouth, holding the upper teeth.

Cranium

The skull, especially the part enclosing the brain.

Pectoral Girdle

Site of attachment of the upper limb to the trunk; consists of the scapula and the clavicle; also called shoulder girdle.

Cervical Vertebrae

The seven vertebrae in the neck region of the spine that support the skull and enable a range of head movements.