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 12 1/24 4/15 1/8 12 1/24 4/15 1/8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where l₁ and l₂ = Distance of two masses from the centre of gravity of the body, and kG = Radius of gyration of the body) l₁l₂ = kG² l₁ = kG l₂ = kG l₁l₂ = kG l₁l₂ = kG² l₁ = kG l₂ = kG l₁l₂ = kG ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine To obviate axial thrust, following gear drive is used Double helical gears having opposite teeth Single helical gear in which one of the teeth of helix angle a is more Double helical gears having identical teeth Mutter gears Double helical gears having opposite teeth Single helical gear in which one of the teeth of helix angle a is more Double helical gears having identical teeth Mutter gears ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The arrangement is called bevel gearing, when two __________ are connected by gears. Parallel and coplanar shafts Parallel and non-coplanar shafts Intersecting and coplanar shafts Non-intersecting and non-coplanar shafts Parallel and coplanar shafts Parallel and non-coplanar shafts Intersecting and coplanar shafts Non-intersecting and non-coplanar shafts ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's diagram is used when Crank has nonuniform angular acceleration Crank has uniform angular acceleration Crank has nonuniform angular velocity Crank has uniform angular velocity Crank has nonuniform angular acceleration Crank has uniform angular acceleration Crank has nonuniform angular velocity Crank has uniform angular velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Critical damping is a function of Mass and damping coefficient Mass and stiffness Damping coefficient and natural frequency Mass and natural frequency Mass and damping coefficient Mass and stiffness Damping coefficient and natural frequency Mass and natural frequency ANSWER DOWNLOAD EXAMIANS APP