20151207 One question per day
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20151207 Daily Question: The rewards are as follows: 1-3 points for participation, 5 points for a correct answer, and 8-10 points for a correct answer along with an analysis. Among the following four statements, only one is correct. Which one is it? ( ) A. Under normal operating conditions, when a motor is rotating with zero power output, it is in an unloaded state. B. Under any operating conditions, as long as a motor is rotating with zero power output, it is in an unloaded state. C. Under normal operating conditions, when a motor is rotating with its rated power output, it is considered to be under full load. D. Under any operating conditions, as long as a motor is rotating with its rated power output, it is considered to be under full load. Answer: A
Only one of the following four statements is correct, and it is: (A)
Only one of the following four statements is correct, and it is: (c) A. Under normal operating conditions, when a motor is rotating with zero power output, it is in a no-load operation state. B. Under any operating conditions, as long as a motor is rotating with zero power output, it is in a no-load operation state. C. Under normal operating conditions, when a motor is rotating with its rated power output, it is called being in a full-load state. D. Under any operating conditions, as long as a motor is rotating with its rated power output, it is called being in a full-load state
Only one of the following four statements is correct: ( ) C. Under normal operating conditions, when a motor operates at its rated power output, it is in a state of full load
Only one of the following four statements is correct: (A) Under normal operating conditions, when a motor is rotating with zero power output, it is in a no-load operation state. B. Under any operating conditions, as long as a motor is rotating with zero power output, it is in a no-load operation state. C. Under normal operating conditions, when a motor is rotating with its rated power output, it is considered to be in a full-load state. D. Under any operating conditions, as long as a motor is rotating with its rated power output, it is in a full-load state
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C. Under normal operating conditions, when the motor is operating at its rated power output, it is in a state of full load
A. Under normal operating conditions, the motor is in a rotating state with zero power output, which is known as no-load operation
Among the four statements, only one is correct. It is: (D) A. Under normal operating conditions, when a motor is rotating with zero power output, it is in a no-load operation state. B. Under any operating conditions, as long as a motor is rotating with zero power output, it is in a no-load operation state. C. Under normal operating conditions, when a motor is rotating with its rated power output, it is considered to be in a full-load state. D. Under any operating conditions, as long as a motor is rotating with its rated power output, it is in a full-load state
Only one of the following four statements is correct: (A) A. Under normal operating conditions, when a motor is rotating with zero power output, it is in a no-load operation state. B. Under any operating conditions, as long as a motor is rotating with zero power output, it is in a no-load operation state. C. Under normal operating conditions, when a motor is rotating with its rated power output, it is in a full-load state. D. Under any operating conditions, as long as a motor is rotating with its rated power output, it is in a full-load state
A. Under normal operating conditions, the motor is in a rotating state with zero power output, which is known as no-load operation