The Priority Effect Occurs When the

question 114

Multiple Choice

The priority effect occurs when the

• A) first species to arrive at a site have a greater probability of becoming established than subsequent species.
• B) first species to arrive at a site have a lower probability of becoming established than subsequent species.
• C) arrival of one species at a site affects the subsequent colonization of other species.
• D) arrival of one species at a site improves conditions so there is an increased probability of subsequent species becoming established.

Describe the concept of synchronous speed in three-phase motors.

Understand the influence of rotor bar shapes on motor performance characteristics.

Recognize the operational voltage characteristics of various motor types.

Differentiate between synchronous and induction motors.