The 50-Ampere Lighting Circuits Used in the Trolley Systems Are

question 12

Multiple Choice

The 50-ampere lighting circuits used in the trolley systems are approved by________ .

• A) Entela
• B) TUV Rheinland of North America
• C) Underwriters Laboratories
• D) Wyle Laboratories

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Definitions:

Stem

The main structural part of a plant that supports leaves, flowers, or fruits and transports fluids between different parts of the plant.

Bud Scale

A modified leaf that covers and protects a dormant bud.

Epidermis

The outermost layer of cells covering an organism, notably the skin of animals or the surface layer of plants.

Chloroplasts

Organelles found in plant and algal cells where photosynthesis occurs, converting light energy into chemical energy.