When unloader is closed it uses _________ work.
A. 30%
B. 50%
C. 20%
D. none of the mentioned
Answer:A
When unloader is closed it uses _________ work.
A. 30% B. 50% C. 20% D. none of the mentioned
Explanation: When unloader is closed it used 30% work. For unloader to close it needs to apply some pressure which is applied in the form of work.