Engineering Mechanics A smooth cylinder lying on its convex surface remains in __________ equilibrium. None of these Unstable Neutral Stable None of these Unstable Neutral Stable ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Mass moment of inertia of a thin rod about its one end is ___________ the mass moment of inertia of the same rod about its mid-point Twice Four times Same as Thrice Twice Four times Same as Thrice ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum mechanical advantage of a lifting machine is 1 - m 1 / m m 1 + m 1 - m 1 / m m 1 + m 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 (φ - α) P = W tan (α + φ) P = W tan (α - φ) P = W cos (α + φ) P = W tan (φ - α) P = W tan (α + φ) P = W tan (α - φ) 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 Coplanar non-concurrent forces Coplanar concurrent forces Unlike parallel forces Like parallel forces Coplanar non-concurrent forces Coplanar concurrent forces Unlike parallel forces Like parallel forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight (t) of a projectile on an upward inclined plane is(where u = Velocity of projection, α = Angle of projection, and β = Inclination of the plane with the horizontal.) t = 2u sin (α + β)/g cos β t = g cos β/2u sin (α + β) t = g cos β/2u sin (α - β) t = 2u sin (α - β)/g cos β t = 2u sin (α + β)/g cos β t = g cos β/2u sin (α + β) t = g cos β/2u sin (α - β) t = 2u sin (α - β)/g cos β ANSWER DOWNLOAD EXAMIANS APP
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