Engineering Mechanics The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is β/2 45° + β/2 60° + β/2 30° + β/2 β/2 45° + β/2 60° + β/2 30° + β/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When two elastic bodies collide with each other, The two bodies will momentarily come to rest after collision The two bodies begin to regain their original shape All of these The two bodies tend to compress and deform at the surface of contact The two bodies will momentarily come to rest after collision The two bodies begin to regain their original shape All of these The two bodies tend to compress and deform at the surface of contact ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The C.G. of a solid hemisphere lies on the central radius 3r At distance — from the plane base At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base 3r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by (v₂ - v₁)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) (v₁ - v₂)/(u₁ - u₂) (u₂ + u₁)/(v₂ + v₁) (v₂ - v₁)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) (v₁ - v₂)/(u₁ - u₂) (u₂ + u₁)/(v₂ + v₁) 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 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) P = W cos (α + φ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be 1 Less than 50% Equal to 50% Greater than 50% 1 Less than 50% Equal to 50% Greater than 50% ANSWER DOWNLOAD EXAMIANS APP
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