Question

17. Brushless servomotors use commutators to switch the current between windings. TRUE FALSE 18. In a DC motor, if the reflected inertia is much larger than the motor inertia, the majority of the electric power will be consumed to rotate the motor itself. TRUE FALSE 19. The function of the accumulator in a hydraulic power system is to smoothen out any short term fluctuations in the output oil pressure. TRUE FALSE 20. The working principles of a radial Piston pump relies on reciprocating of pistons in a circular array within a cylinder block. TRUE | FALSE

Answer 1

17 FALSE don't we commutators 18) TRUE 19) TRUE (20) TRUE CS Scanned with CamScanner