Which of These Was Most Valued by Chinese Aristocrats

question 29

Multiple Choice

Which of these was most valued by Chinese aristocrats?

• A) The use of the Silk Road during the Zhou Dynasty
• B) Trade and foreign empires, for highly prized fabrics and perfumes.
• C) Trade with their close neighbors
• D) Silk cultivation and silk-weaving
• E) The horses they obtained from Central Asian nomads

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Definitions:

Delta Secondary

A configuration for the secondary winding of a transformer where the ends of the coils are connected to form a triangle-like circuit, allowing it to supply both three-phase and single-phase load currents.

Center-Tapped Transformer

A transformer that has a wire connected to the electric midpoint of its winding. Generally, the secondary winding is tapped.

High Leg

A certain type of three-phase power connection that exhibits a higher voltage on one leg when measured to ground than on the other legs.

Output Power

The amount of power, typically measured in watts, that a device, system, or process delivers to its load.