Associate Manager Electrical Interview Questions and Answers

HT cable laying in open trench involves several steps to ensure safety and proper installation.

• Excavate the trench to the required depth and width

• Ensure the trench bottom is level and free from sharp objects

• Lay sand bedding at the bottom of the trench

• Place the HT cable on the sand bedding

• Cover the cable with sand to a depth of at least 100mm

• Install warning tapes above the cable

• Backfill the trench with excavated soil

• Compact the soil in layers

• Install markers to indicate the loc...read more

The gap between electrodes in BDV test is typically 2.5 mm.

• The standard gap between electrodes in BDV (Breakdown Voltage) test is 2.5 mm.

• This gap is crucial for ensuring accurate measurement of the breakdown voltage of insulating oils.

• Maintaining the correct electrode gap helps in preventing arcing during the test.

• The electrode gap can vary depending on the specific standards being followed for the BDV test.