How Should Trailer Hand-Crank Landing Gear Legs and Crankcase Be

question 13

Multiple Choice

How should trailer hand-crank landing gear legs and crankcase be lubricated?

• A) multi-purpose gear lube
• B) SAE 30W engine oil
• C) grease applied through zerks
• D) penetrating oil

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Definitions:

Gene

A unit of heredity found in living organisms that encodes the instructions for synthesizing proteins, influencing traits and functions.

Biological Molecules

Organic compounds essential to life, including carbohydrates, lipids, proteins, and nucleic acids, forming the structure and performing the functions of living organisms.

Fatty Acids

Long-chain hydrocarbons that contain a carboxylic acid group at one end. They are an important component of lipids in living organisms.

Lipids

A broad group of naturally occurring molecules that include fats, waxes, sterols, and fat-soluble vitamins among others, used for energy storage and as structural components of cell membranes.