Theory of Machine The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed. Difference Product Sum Ratio Difference Product Sum Ratio ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an involute gear, the ratio of base circle radius and pitch circle radius is equal to sinφ cosφ cosecφ secφ sinφ cosφ cosecφ secφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 45° - φ/2 α = 90° - φ α = 45° + φ/2 α = 90° + φ α = 45° - φ/2 α = 90° - φ α = 45° + φ/2 α = 90° + φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become 16 tp 4 tp tp /4 tp /16 16 tp 4 tp tp /4 tp /16 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Instantaneous center of rotation of a link in a four bar mechanism lies on Left side pivot of this link A point obtained by intersection on extending adjoining links Can’t occur Right side pivot of this link Left side pivot of this link A point obtained by intersection on extending adjoining links Can’t occur Right side pivot of this link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine ________ is an inversion of Double slider crank chain. Hand pump Coupling rod of a locomotive Scotch yoke mechanism Reciprocating engine Hand pump Coupling rod of a locomotive Scotch yoke mechanism Reciprocating engine ANSWER DOWNLOAD EXAMIANS APP
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