Metso Senior Electrical Maintenance Engineer Interview Questions and Answers

Aptitude test b.e electronics level

Q1. Dol and star delta wiring scheme
Ans. 
DOL (Direct-On-Line) and star delta are two different wiring schemes used in electrical engineering for starting induction motors.
• DOL wiring directly connects the motor to the power supply for starting, while star delta wiring initially starts the motor in star configuration and then switches to delta configuration for running.

• DOL wiring is simpler and cheaper but causes high starting current, while star delta wiring r...read more
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Q1. Working process and maintenance &troubleshooting
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Q1. I am working from Grid sub station . Transformer... CT PT CVT EARTHING PTW
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Q2. All about 132 kv Gss
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Q1. All questions macnical and answers or eltercal
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Q2. All questions macnical and answers or eltercal
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Q1. Gear box requirements
Ans. 
Gear box requirements depend on the equipment being used and the load it carries.
• Gear box should be able to handle the torque and power requirements of the equipment.

• The gear ratio should be appropriate for the application.

• The gear box should be properly lubricated and maintained.

• The gear box should be designed to handle the operating conditions, such as temperature and environment.

• Examples of gear box requirements inc...read more
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