Electrical Machine MCQ – DC Machine #2

Electrical Machine MCQ #2 DC Machine (2)

Electrical Machine MCQ DC Machine #2 16 to 30

(16) In small dc machine, the armature resistance usually in order of?
(17) Magnetic characteristics also known as?
(18) Magnetic characteristic gives relation between?
(19) A 1500 kW, 600 V, 8-pole separately excited dc generator runs at 300 rpm. It has 2500 lap-connected conductors and full load copper losses are 30 kW. Calculate the useful flux per pole.
(20) What is the equation of terminal voltage in series wound generator?
(21) How many values of the resistance of series winding is?
(22) How many values of the resistance of shunt winding is?
(23) A dc generator whose field winding is excited from an independent external dc source, such generator is known as?
(24) External characteristic gives relation between?
(25) Internal characteristic gives relation between?
(26) Application of separately excited dc generator is?
(27) Application of differential compound wound dc generator is?
(28) Which of the following used as generator during electric breaking?
(29) When load on generator is increase, speed will?
(30) Which of the method(s) use for changing generated emf of two generators?
Electrical Machine Quiz - DC Machine #2
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