Gas is usually not liberated due to dissociation of transformer oil unless the oil temperature exceeds

Related MCQs

• The changes in volume of transformer cooling oil due to variation of atmospheric temperature during day and night is taken care of by which part of transformer
• Which of the following is the main advantage of an auto-transformer over a two winding transformer ?
• The dielectric strength of transformer oil is expected to be
• A transformer oil must be free from
• The transformer oil should have volatility and viscosity.
• The no-load current drawn by transformer is usually what per cent of the full-load current ?
• The transformer ratings are usually expressed in terms of
• Material used for construction of transformer core is usually
• The thickness of laminations used in a transformer is usually
• The magnetising current of a transformer is usually small because it has