# Mechanical Engineering Questions And Answers :: Engineering Mechanics: part2

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 2014 and IES 2014 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. ANSWER : : one-third of the total height above base Explanation :
 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. ANSWER : : moment of the couple Explanation :
 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. ANSWER : : 0.5 cm Explanation :
 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. ANSWER : : the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis Explanation :
 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. ANSWER : : three members with unknown forces of the frame Explanation :

More Engineering Mechanics QUESTIONS AND ANSWERS available in next pages

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