Engineering Mechanics The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is 87.5 mm 50 mm 75 mm 125 mm 87.5 mm 50 mm 75 mm 125 mm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Concurrent forces are those forces whose lines of action None of these Meet on the same plane Lie on the same line Meet at one point None of these Meet on the same plane Lie on the same line Meet at one point ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) 2π/ω π/ω ω/2π 2π × ω 2π/ω π/ω ω/2π 2π × ω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a screw jack, the effort required to lift the load is given by (where W = Load lifted, α = Helix angle, and φ = Angle of friction.) P = W cos (α + φ) P = W tan (α - φ) P = W tan (φ - α) P = W tan (α + φ) P = W cos (α + φ) P = W tan (α - φ) P = W tan (φ - α) P = W tan (α + φ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to completely specify angular displacement by a vector, it must fix Sense of angular displacement Direction of the axis of rotation All of these Magnitude of angular displacement Sense of angular displacement Direction of the axis of rotation All of these Magnitude of angular displacement ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The point, through which the whole weight of the body acts, irrespective of its position, is known as Center of percussion Center of mass Moment of inertia Center of gravity Center of percussion Center of mass Moment of inertia Center of gravity ANSWER DOWNLOAD EXAMIANS APP
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