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Engineering Mechanics QUESTIONS AND ANSWERS

Mechanical Engineering : Engineering Mechanics QUESTIONS AND ANSWERS :: part2 : 1 to 5

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

1.47. Centre of gravity of a thin hollow cone lies on the axis at a height of

one-fourth of the total height above base

one-third of the total height above base

one-half of the total height above base

three-eighth of the total height above the base

none of the above.

2.42. The product of either force of couple with the arm of the couple is called

resultant couple

moment of the forces

resulting couple

moment of the couple

none of the above.

3.55. 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 centre of circular plate

0.5 cm

1.0 cm

1.5 cm

2.5 cm

0.25 cm.

4.46. Centre of percussion is

the point of C.G.

the point of metacentre

the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis

point of suspension

the point in a body about which it can rotate horizontally and oscillate under the influence of gravity.

5.43. In detennining stresses in frames by methods of sections, the frame is divided into two parts by an imaginary section drawn in such a way as not to cut more than

two members with unknown forces of the frame

three members with unknown forces of the frame

four members with unknown forces of the frame

three members with known forces of the frame

four members with two known forces.

More Engineering Mechanics QUESTIONS AND ANSWERS available in next pages