Question 1: In Compound Generator Which of the following losses are constant?
- Copper losses
- Magnetic losses
- Mechanical Losses
BASIC
NEC 2023
DC Generator theory
Free online quiz on DC Generator theory which includes losses of dc generator, construction, types and operation of DC Generator.
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TimeDC Generator theory — Question List
Question 2: If a DC Generator is Operated at lower speed than rated speed, the DC generator ..............
- may be over heated
- may be over excited
- will damage
Question 3: The voltage of a DC Generator can be controlled by ............
- varying the prime mover speed
- varying the field current
- changing the brush positions
Question 4: Which of the following generator part changes the induced AC voltage to the DC voltage at generator terminals?
- Armature
- commutator
- brushes
- rotor
Question 5: In DC Generator, which of the following is the effect of <em>armature reaction</em>?
- Motoring effect
- high sparking at brushes on commutator
- damages the field winding
- damages the armature winding
Question 6: Which of the following is not required in DC generator to generate DC Voltage?
- magnetic field
- conductor
- relative motion
- slip rings
Question 7: The torque developed in DC Generator is inversely proportional to armature current.
- True
- False
Question 8: Which of the following DC Generator is used when a constant output voltage is required?
- DC Shunt Generator
- DC Series Generator
Question 9: In DC Generator, The armature current is inversely proportional to load current.
- True
- False
Question 10: In DC Series generator, the terminal voltage changes with the change in load current.
- True
- False
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