Theory of Machine The maximum value of the pressure angle in case of cam is kept as 30° 14° 20° 10° 30° 14° 20° 10° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship. Horizontally and parallel Vertically and perpendicular Vertically and parallel Horizontally and perpendicular Horizontally and parallel Vertically and perpendicular Vertically and parallel Horizontally and perpendicular ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an open pair, the two elements of a pair Have a line or point contact when in motion Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Are not held together mechanically Have a line or point contact when in motion Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Are not held together mechanically ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is false statement in respect of differences between machine and structure? In machines, relative motion exists between its members, whereas same does not exist in case of structures Efficiency of machines as well as structures is below 100 % Machines transmit mechanical work, whereas structures transmit forces Machines modify movement and work, whereas structures modify forces In machines, relative motion exists between its members, whereas same does not exist in case of structures Efficiency of machines as well as structures is below 100 % Machines transmit mechanical work, whereas structures transmit forces Machines modify movement and work, whereas structures modify forces 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 = 90° + φ α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ α = 90° + φ α = 45° + φ/2 α = 45° - φ/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine TJIE horse power transmitted by a belt is dependent upon Tension on slack side of belt Radius of pulley All of these Tension on tight side of belt Tension on slack side of belt Radius of pulley All of these Tension on tight side of belt ANSWER DOWNLOAD EXAMIANS APP