Question 282Electricity/Electronics - Assistant Engineer70% to pass
As shown in the illustration, what type of motor and motor starter are featured? Illustration EL-0136
AI Explanation
The correct answer is B) squirrel cage induction motor with across-the-line starting.
Explanation:
1. The illustration EL-0136 shows a typical squirrel cage induction motor, which is a common type of electric motor used in marine applications.
2. Squirrel cage induction motors are known for their simple and robust design, making them well-suited for the demanding marine environment. Across-the-line starting, where the motor is connected directly to the full line voltage, is a common and straightforward starting method for these types of motors.
3. The other options are incorrect because synchronous motors are not commonly used in this type of application, and wound rotor induction motors require more complex starting methods, such as reduced voltage starting.
4. Therefore, based on the information provided in the illustration and the typical motor configurations used in marine applications, the correct answer is a squirrel cage induction motor with across-the-line starting.
Related Questions
#280 Which of the following pictures represents a magnetic reversing or two-speed motor starter? Illustration EL-0179 #281 Which of the following contactors or relays has a timing function for the transition from start to run? Illustration EL-0080 #283 As shown in the illustrated feeder disconnect controller, what statement is true? Illustration EL-0138 #284 Autotransformer starters, sometimes called starting compensators, are sometimes used with larger polyphase induction motors. What function do they perform? #285 As shown in figure "A" of the illustration, what is the purpose of the "test button"? Illustration EL-0178