The Engineering Approach Is Difficult to Use for Proposed Environmental

question 20

True/False

The engineering approach is difficult to use for proposed environmental initiatives because of uncertainty about future prices, the availability of raw materials, and expected costs.

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Definitions:

Chassis Grease

A lubricant used on various parts of a vehicle's chassis to reduce friction and prevent wear.

Penetrating Oil

A low-viscosity oil designed to penetrate tight spaces and loosen rusted or frozen parts.

Cloud Point

The temperature at which some of the fractions in a diesel fuel begin to wax (solidify) and the fuel takes on an opaque appearance. This can cause problems in the fuel subsystem by plugging filters, resulting in engine shutdown. Most diesel fuel conditioners contain cloud point and pour point depressants.

Wax Crystals

Solid crystalline substances formed in some oils and fats that can cause blockages in fuel systems or cloud the appearance of liquids at lower temperatures.