Related MCQs

• Two tranformer having same voltage but different KVA are operating in parallel. For a good load sharing __________
• In a transformer, we place the tapping windings at the middle because __________
• The tappings on the transformers is provided on __________
• If a transformer is at no load, then it will act like __________
• A 1-phase tranformer has a leakage impedance of 1+ j4 Ω for primary and 3+ j11 Ω for secondary windings. This transformer has __________
• Maximum efficiency of a transformer for a constant load current, occurs at __________
• Three transformers having identical dimensions but with core of iron, aluminium and wood are wound with same number of turns and have same supply. Then choose the order for eddy current losses.
• Three transformers having identical dimensions but with core of iron, aluminium and wood are wound with same number of turns and have same supply. Then choose the order for hysteresis losses.
• The voltage regulation of a transformer depends on its __________
• The voltage regulation of a transformer at full-load 0.8 p.f leading is -2%. Its voltage regulation at full load 0.8 p.f lagging _____________