Theory of Machine There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is 12 1/8 1/24 4/15 12 1/8 1/24 4/15 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of the reciprocating roller follower, when it has contact with the straight flanks of the tangent cam, is given by (where r₁ = Minimum radius of the cam, r₂ = Radius of the roller follower, and θ = Angle turned by the cam from the beginning of the follower displacement) (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) (1 - cosθ) (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) (1 - cosθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Maximum fluctuation of energy in a flywheel is equal to [where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ω = Mean angular speed = (ω₁ + ω₂)/2] I.ω.(ω₁ - ω₂) 2.E.CS I.ω².CS All of these I.ω.(ω₁ - ω₂) 2.E.CS I.ω².CS All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When one of the links of a kinematic chain is fixed, the chain is known as a Structure Mechanism Machine Inversion Structure Mechanism Machine Inversion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Cylinder and piston Crankshaft and flywheel Piston rod and connecting rod Flywheel and engine frame Cylinder and piston Crankshaft and flywheel Piston rod and connecting rod Flywheel and engine frame ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum or minimum value of the swaying couple is ± c.m.ω².r ± (a/√2) (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ± a (1 - c) m.ω².r ± c.m.ω².r ± (a/√2) (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ± a (1 - c) m.ω².r ANSWER DOWNLOAD EXAMIANS APP
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