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

Related Mcqs:

1. 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...

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 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...

5. The C.G. of a solid hemisphere lies on the central radius 3r_______________?

   A. at distance — from the plane base 3r B. at distance — from the plane base 3r C. at distance — from the plane base 3r D. at distance — from the plane base or E. at distance — from the plane base...

6. Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one________________?

   A. ellipse B. hyperbola C. parabola D. circle E. none of the above...

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

   A. same B. double C. half D. four times E. one fourth...

8. The center of gravity of a triangle lies at the point of__________________?

   A. concurrence of the medians B. intersection of its altitudes C. intersection of bisector of angles D. intersection of diagonals E. all of the above...

9. The center of gravity of a uniform lamina lies at_______________?

   A. the center of heavy portion B. the bottom surface C. the mid point of its axis D. all of the above E. none of the above...

10. Which of the following is not the unit of distance ?

    A. angstrom B. light year C. micron D. millimeter E. milestone...