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 4/15 1/8 1/24 12 4/15 1/8 1/24 12 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be Four times the first one One and a half times the first one One fourth of the first one Same as the first one Four times the first one One and a half times the first one One fourth of the first one Same as the first one ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve) c (m + M) g c/(m - M) g c (m - M) g c/(m + M) g c (m + M) g c/(m - M) g c (m - M) g c/(m + M) g ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanisms produces mathematically an exact straight line motion? Grasshopper mechanism Watt mechanism Tchebicheff mechanism Peaucellier's mechanism Grasshopper mechanism Watt mechanism Tchebicheff mechanism Peaucellier's mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient. Equal to Independent of Directly proportional to Inversely proportional to Equal to Independent of Directly proportional to Inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to G.I₂ G².I₂ I₂/G I₂/G² G.I₂ G².I₂ I₂/G I₂/G² ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS