An engine has a normal speed of 960 r.p.m. and no load speed of 1000 r.p.m. The speed droop of governor will be about___________________?
A. 2%
B. 4%
C. 8%
D. ±4%
E. 1%.
A. 2%
B. 4%
C. 8%
D. ±4%
E. 1%.