Engineering Mechanics The center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of 0.6 r 0.5 r 0.8 r 0.7 r 0.6 r 0.5 r 0.8 r 0.7 r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Static friction is always __________ dynamic friction. Greater than Equal to Less than None of these Greater than Equal to Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For any system of coplanar forces, the condition of equilibrium is that the Algebraic sum of the vertical components of all the forces should be zero Algebraic sum of the horizontal components of all the forces should be zero All of these Algebraic sum of moments of all the forces about any point should be zero Algebraic sum of the vertical components of all the forces should be zero Algebraic sum of the horizontal components of all the forces should be zero All of these Algebraic sum of moments of all the forces about any point should be zero 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 None of the listed here Q = 2R Q = R P = Q None of the listed here Q = 2R Q = R P = Q ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a lifting machine is V.R./m 1/m m/V.R. 1/(m × V.R.) V.R./m 1/m m/V.R. 1/(m × V.R.) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The horizontal range of a projectile (R) is given by R = u² sin2α/g R = u² sinα/g R = u² cosα/g R = u² cos2α/g R = u² sin2α/g R = u² sinα/g R = u² cosα/g R = u² cos2α/g ANSWER DOWNLOAD EXAMIANS APP
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