Electro-Technical Competence

Basic Questions of Electrical Equipment

This test covers the basics of operating and maintaining electrical equipment, including setting thermal relays, measuring voltages, servicing batteries, distinguishing between analog and digital signals, methods of starting electric motors, selective protection, automations and much more.

प्रश्न 18

समय सीमा 9 min

भाषा अंग्रेज़ी

नमूना प्रश्न

यहाँ इस क्विज़ के कुछ उदाहरण प्रश्न हैं। पूरा टेस्ट देने के लिए GYRO ऐप डाउनलोड करें।

प्रश्न 1

During normal operation of the ship, emergency consumers are powered by...

A Emergency diesel generator.

B Main diesel generator.

C Emergency battery bank.

प्रश्न 2

What is the main indication of bearing failure in an asynchronous motor?

A Increased vibration and noise.

B Rise in winding temperature.

C Increase in insulation resistance.

D Decrease in power consumption.

प्रश्न 3

To which winding is voltage applied from an external source in the case of field flashing (initial excitation) of a brushless generator?

A To the exciter field winding.

B To the generator field winding.

C To the exciter stator winding.

D To the generator stator winding.

प्रश्न 4

Can a transformer be connected in reverse (primary and secondary windings swapped)?

A Yes, but only if it is rated for such load and voltage.

B No, because the direction of current will change.

C Yes, but only for transformers with a power rating of less than 1 kW.

D No, this will lead to core saturation.

प्रश्न 5

According to SOLAS, how long is required to start and load the emergency diesel generator onto the bus-bars?

A Up to 45 seconds.

B Up to 60 seconds.

C 10-25 seconds.

D Depends on the ship design.

यह क्विज़ दें. इस क्विज़ को देने और अपनी प्रगति ट्रैक करने के लिए GYRO ऐप डाउनलोड करें।