Basic Science > 2013 PAPER II > 32
BECE/Junior WAEC
Efficiency of a machine is expressed as
A.
| work input work output | × | 100 |
B.
| work output work input | × | 100 |
C.
| work output 100 | × | work input |
D.
| 100 work input | × | work output |
E.
| work input 100 | × | work output |
Answer: B
To see detailed solution to this question and thousands of other questions offline, download TestDriller BECE. Practice rigorously for BECE, enjoy educational games, dictionary, compete with your peers, win prizes and more.
09037778195