Engineering Mechanics The friction experienced by a body, when in motion, is known as Rolling friction Static friction Limiting friction Dynamic friction Rolling friction Static friction Limiting friction Dynamic friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a screw jack is (1 + sinφ)/(1 - sinφ) (1 + tanφ)/(1 - tanφ) (1 - tanφ)/(1 + tanφ) (1 - sinφ)/(1 + sinφ) (1 + sinφ)/(1 - sinφ) (1 + tanφ)/(1 - tanφ) (1 - tanφ)/(1 + tanφ) (1 - sinφ)/(1 + sinφ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of doing work is known as Potential energy Power None of these Kinetic energy Potential energy Power None of these Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The three forces of 100 N, 200 N and 300 N have their lines of action parallel to each other but act in the opposite directions. These forces are known as Like parallel forces Unlike parallel forces Coplanar concurrent forces Coplanar non-concurrent forces Like parallel forces Unlike parallel forces Coplanar concurrent forces Coplanar non-concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is 60° + β/2 β/2 45° + β/2 30° + β/2 60° + β/2 β/2 45° + β/2 30° + β/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile (R) on an upward inclined plane is 2u². sin (α + β). cos α/g. cos² β g. cos² β/2u². sin (α - β). cos α g. cos² β/2u². sin (α + β). cos α 2u². sin (α - β). cos α/g. cos² β 2u². sin (α + β). cos α/g. cos² β g. cos² β/2u². sin (α - β). cos α g. cos² β/2u². sin (α + β). cos α 2u². sin (α - β). cos α/g. cos² β ANSWER DOWNLOAD EXAMIANS APP
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