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 1/24 1/8 4/15 12 1/24 1/8 4/15 12 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham's coupling is the Third inversion of slider crank chain Second inversion of double slider crank chain Second inversion of single slider crank chain Third inversion of double slider crank chain Third inversion of slider crank chain Second inversion of double slider crank chain Second inversion of single slider crank chain Third inversion of double slider crank chain ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear. None of the listed here Same Less More None of the listed here Same Less More 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 Which type of gear train is used in clock mechanism to join hour hand and minute hand? Reverted gear train Compound gear train Simple gear train Epicyclic gear train Reverted gear train Compound gear train Simple gear train Epicyclic gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following has sliding motion? Connecting rod Crank Cross-head Crank pin Connecting rod Crank Cross-head Crank pin ANSWER DOWNLOAD EXAMIANS APP