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How can the mechanical losses be reduced in dc machines?
chata matha .
What is the difference between electrical and mechanical devices?
Electrical degrees and mechanical degrees in dc motors are related by the equation: Deg(elec) = (Number of Poles/2) *(Deg(mech))
What are the possible losses for a dc generator?
Friction in the bearings and in the commutator, and windage loss. Electrical resistance of the armature and field windings and the brushes.
Simple machines increase mechanical?
Simple machines increase mechanical advantage.
Why does mechanical engineering include the word mechanical?
The word "mechanical" means "of, or pertaining to, machines" - and machines are what mechanical engineers concern themselves with.
How does friction affect perpetual motion machines?
Friction opposes motion and causes energy loss in perpetual motion machines, leading to a decrease in efficiency. It plays a significant role in preventing the perpetual motion machines from achieving perpetual motion, as it continuously works against the machine's motion without providing any energy input.
What is the principles of DC machines?
All DC machines are works based on the principle of FARADAY'S LAW OF ELECTROMAGNETIC INDUCTION.
How can the field coils of DC machines be connected with self excited machines?
No
How many types of DC machine?
05 types of dc machines
How is DC shoes made?
machines
What is the difference between a DC motor and a DC generator Why can't you use a DC motor as DC generator?
A DC motor converts electrical energy to mechanical energy. The converted energy is provided to a mechanical load.A DC generator converts mechanical energy to electrical energy. The converted energy is provided to the electrical load (voltage, current referring load).A DC motor can be used as a DC generator and vice-versa.
Why carbon brushes are used in DC machines?
Carbon brushes used in DC machines because carbon is soft material and it does not generate spikes when contact with commutator
