Engineering Mechanics The maximum efficiency of a lifting machine is V.R./m 1/m 1/(m × V.R.) m/V.R. V.R./m 1/m 1/(m × V.R.) m/V.R. ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.) v2 = u2 + 2a.s v = u + a.t s = u.t + ½ a.t2 All of these v2 = u2 + 2a.s v = u + a.t s = u.t + ½ a.t2 All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, which meet at one point, but their lines of action do not lie in a plane, are called Coplanar non-concurrent forces Non-coplanar non-concurrent forces Non-coplanar concurrent forces Intersecting forces Coplanar non-concurrent forces Non-coplanar non-concurrent forces Non-coplanar concurrent forces Intersecting forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio for the third system of pulleys is n² 2n n 2n - 1 n² 2n n 2n - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) None of these tan(α + φ)/tanα tanα/tan (α + φ) tan(α - φ)/tanα None of these tan(α + φ)/tanα tanα/tan (α + φ) tan(α - φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If n = number of members and y = number of joints, then for a perfect frame, n = ? 43864 43832 43892 43865 43864 43832 43892 43865 ANSWER DOWNLOAD EXAMIANS APP
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