Technician a Says That Worn Valve Guides Can Cause Valves

question 16

Multiple Choice

Technician A says that worn valve guides can cause valves to burn. Technician B says that stem necking is caused by worn valve guides. Who is correct?

• A) A only
• B) B only
• C) Both A and B
• D) Neither A nor B

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Definitions:

Xenophobia

An irrational fear or hatred of foreigners or anything perceived as foreign or strange.

Migrants

individuals or groups who move from one region or country to another, often for reasons such as better employment opportunities, safety, or to join family.

Primary Types

Basic categories or initial classifications used to organize or categorize objects, concepts, or processes based on their fundamental characteristics.

Migration

Mobility in geographic space, involving a temporary or permanent change in the usual place of residence. Internal migration is movement within countries; external migration is movement to a foreign country.