Engineering Mechanics The maximum efficiency of a lifting machine is 1/m 1/(m × V.R.) V.R./m m/V.R. 1/m 1/(m × V.R.) V.R./m m/V.R. ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency less than 50%, is known as Neither reversible nor non-reversible machine Ideal machine Non-reversible machine Reversible machine Neither reversible nor non-reversible machine Ideal machine Non-reversible machine Reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum height of a projectile on a horizontal plane, is u² cos²α/2g u² sin²α/g u² cos²α/g u² sin²α/2g u² cos²α/2g u² sin²α/g u² cos²α/g u² sin²α/2g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angle between two forces when the resultant is maximum and minimum respectively are 90° and 180° 0° and 180° 180° and 0° 90° and 0° 90° and 180° 0° and 180° 180° and 0° 90° and 0° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.) None of these MS/3 MS/4 MS/5 None of these MS/3 MS/4 MS/5 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 Coplanar non-concurrent forces Unlike parallel forces Coplanar concurrent forces Like parallel forces Coplanar non-concurrent forces Unlike parallel forces Coplanar concurrent forces ANSWER DOWNLOAD EXAMIANS APP
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