Theory of Machine In its simplest form, a cam mechanism consists of following number of links 3 4 2 1 3 4 2 1 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 = 90° - φ 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A reed type tachometer use the principle of Transverse vibration Longitudinal vibration Torsional vibration Damped free vibration Transverse vibration Longitudinal vibration Torsional vibration Damped free vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The magnitude of linear velocity of a point B on a link AB relative to point A is, (Where ω = Angular velocity of the link AB) ω² × AB (ω × AB)² ω × AB ω × (AB)² ω² × AB (ω × AB)² ω × AB ω × (AB)² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between number of pairs (p) forming a kinematic chain and the number of links (l) is l = 2p - 5 l = 2p - 4 l = 2p - 3 l = 2p - 2 l = 2p - 5 l = 2p - 4 l = 2p - 3 l = 2p - 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following governor is used to drive a gramophone? Pickering governor Watt governor Hartnell governor Porter governor Pickering governor Watt governor Hartnell governor Porter governor ANSWER DOWNLOAD EXAMIANS APP