A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to___________________?

Related Mcqs:

Which is the correct statement about law of polygon of forces ?

A. if any number of forces acting at a point can be represented by the sides of a polygon taken in order, then the forces are in equilibrium B. if any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon, then the forces are … Which is the correct statement about law of polygon of forces ?Read More...

The algebraic sum of moments of the forces forming couple about any point in their plane is_________________?

A. equal to the moment of the couple B. constant C. both of above are correct D. both of above are wrong E. none of the above...

The effort required to lift a load W on a screw jack with helix angle a and angle of friction <j) is equal to _________________?

A. Wtan(a + ) B. Wtan(a-) C. Wcos(a + ) D. Wsin(a + ) E. W (sin a + cos )....

According to law of triangle of forces __________________ ?

A. three forces acting at a point will be in equilibrium B. three forces acting at a point can be represented by a triangle, each side being proportional to force C. if three forces acting upon a patticle are represented in magnitude and direction by the sides of a triangle, taken in order, they will … According to law of triangle of forces __________________ ?Read More...

Which one of the following statements is not correct_________________?

A. the tangent of the angle of friction is equal to coefficient of friction B. the angle of repose is equal to angle of friction C. the tangent of the angle of repose is equal to coefficient of friction D. the sine of the angle of repose is equal to coefficient to friction E. none … Which one of the following statements is not correct_________________?Read More...