Theory of Machine Which of the following is an open pair? Lead screw and nut Cam and follower Ball and socket joint Journal bearing Lead screw and nut Cam and follower Ball and socket joint Journal bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is (Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) μwr ½μWR ¾μWR ²/₃ μWR μwr ½μWR ¾μWR ²/₃ μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in All of these Torsional vibrations Longitudinal vibrations Transverse vibrations All of these Torsional vibrations Longitudinal vibrations Transverse vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The minimum periodic time of a compound pendulum is (1/2π). √(kG/g) 2π. √(kG/g) (1/2π). √(2kG/g) 2π. √(2kG/g) (1/2π). √(kG/g) 2π. √(kG/g) (1/2π). √(2kG/g) 2π. √(2kG/g) 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 The sense of Coriolis component is such that it Is along the sliding velocity vector Lags the sliding velocity vector by 90° Leads the sliding velocity vector by 90° Leads the sliding velocity vector by 180° Is along the sliding velocity vector Lags the sliding velocity vector by 90° Leads the sliding velocity vector by 90° Leads the sliding velocity vector by 180° ANSWER DOWNLOAD EXAMIANS APP
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