____ glass is composed of about 99 percent silicon dioxide and is the most expensive type of glass.

A. Fused silica
B. Lead-alkali-silica
C. Aluminosilicate
D. Borosilicate


Answer: A

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Jigs and fixtures can often be fabricated from scrap material.

Answer the following statement true (T) or false (F)

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What do restaurants use to clean and sanitize their counters and equipment?

a. A mixture of bleach and water at about 1 cup bleach to 1 cup water. b. A mixture of bleach and water at about 1 teaspoon bleach to a bucket of water. c. Use a spray bottle of bleach on the surface, then wipe dry with a damp rag.

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Technician A says that torsion bars can be reinstalled on either side of the vehicle. Technician B says that torsion bars are often used on 4x4 trucks. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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__________ preventative maintenance includes filling the lubricator, verifying muffler operation, and draining the reservoir.

A. Hydraulic system B. Mechanical system C. Pneumatic system D. Electrical system

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