Engineering Mechanics The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is 87.5 mm 50 mm 125 mm 75 mm 87.5 mm 50 mm 125 mm 75 mm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following: None of these The change in momentum suffered by rubber ball is less than the lead ball The change in momentum suffered by rubber ball is more than the lead ball Both the balls undergo an equal change in momentum None of these The change in momentum suffered by rubber ball is less than the lead ball The change in momentum suffered by rubber ball is more than the lead ball Both the balls undergo an equal change in momentum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of the two forces ‘P’ and ‘Q’ is ‘R’. If ‘Q’ is doubled, the new resultant is perpendicular to ‘P’. Then Q = R P = Q Q = 2R None of the listed here Q = R P = Q Q = 2R None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Coplanar concurrent forces are those forces which Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point, but their lines of action lie on the same plane Meet at one point and their lines of action also lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point, but their lines of action lie on the same plane Meet at one point and their lines of action also lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A particle inside a hollow sphere of radius r, having coefficient of friction µ can rest up to height of r/A 0.134 r r/3 r/2 r/A 0.134 r r/3 r/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If rain is falling in the opposite direction of the movement of a pedestrian, he has to hold his umbrella Less inclined when moving More inclined when moving Less inclined when standing More inclined when standing Less inclined when moving More inclined when moving Less inclined when standing More inclined when standing ANSWER DOWNLOAD EXAMIANS APP