The condilion for a lifting machine to be reversible is that its efficiency should be_________________?
(A) less than 50%
(B) more than 50%
(C) more than 66.67%
(D) equal to 100%
The condilion for a lifting machine to be reversible is that its efficiency should be_________________?
| Share this... |
 Facebook
|
 Twitter
|
 Linkedin
|
 Whatsapp
|
Related Mcqs
- Previous:In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is_____________________?
- Next:The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be___________________?
Leave a Reply
Your email address will not be published. Required fields are marked *
