The condilion for a lifting machine to be reversible is that its efficiency should be_________________?

Related Mcqs:

For a given velocity of a projectile, the range is maximum when the angle of projection is___________________?

A. 30° B. 45° C. 90° D. 0°...

One Newton is equivalent to_________________?

A. 105 dyne B. 106 dyne C. 107 dyne D. 981 dyne...

In which of the following trusses, the method of substitution is required for determining the forces in all the members of the truss by graphic statics ?

A. howe truss B. king post truss C. fink truss D. warren truss...

The member forces in a statically in determinate truss____________________?

A. can be obtained by graphic statics B. cannot be obtained by graphic statics C. may be obtained by graphic statics D. can be obtained by graphic statics by trial and error...

Joule is the unit of__________________?

A. power B. impulse C. work D. momentum...