The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is_________________?

Related Mcqs:

1. A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will____________________?

   A. remain horizontal B. slant up towards direction of pull C. slant down towards direction of pull D. unpredictable E. none of the above...

2. Center of gravity of a thin hollow cone lies on the axis at a height of________________?

   A. one-fourth of the total height above base B. one-third of the total height above base C. one-half of the total height above base D. three-eighth of the total height above the base E. none of the above...

3. From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate___________________?

   A. 0.5 cm B. 1.0 cm C. 1.5 cm D. 2.5 cm E. 0.25 cm...

4. A projectile is fired at an angle 9 to the vertical. Its horizontal range will be maximum when 9 is_________________?

   A. 0° B. 30° C. 45° D. 60° E. 90°...

5. A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve___________________?

   A. catenary B. parabola C. hyperbola D. elliptical E. circular arc...

6. A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of__________________?

   A. r/2 B. r/A C. r/% D. 0.134 r E. 3r/8...

7. Center of gravity of a solid cone lies on the axis at the height_______________?

   A. one-fourth of the total height above base B. one-third of the total height above base C. one-half of the total height above base D. three-eighth of the total height above the base E. none of the above...

8. If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be___________________?

   A. maximum B. minimum C. zero D. infinity E. same as the force applied...

9. The C.G. of a right circular solid cone of height h lies at the following distance from the base_____________?

   A. h/2 B. J/3 C. h/6 D. h/4 E. 3/i/5...

10. The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be______________?

    A. r/2 B. 2r/3 C. r/A D. 3r/2 E. 3r/A...