Two holes in the disc of energy meter are drilled at the opposite sides of the spindle to
A. improve its ventilation
B. eliminate creeping at no load
C. increase its deflecting torque
D. increase its braking torque
Answer:B
Two holes in the disc of energy meter are drilled at the opposite sides of the spindle to
A. improve its ventilation B. eliminate creeping at no load C. increase its deflecting torque D. increase its braking torque