Theory of Machine The maximum or minimum value of the swaying couple is ± (a/√2) (1 - c) m.ω².r ± c.m.ω².r ± a (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ± (a/√2) (1 - c) m.ω².r ± c.m.ω².r ± a (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to Have perfect balancing Minimize the effect of secondary forces To start the locomotive quickly Minimize the effect of primary forces Have perfect balancing Minimize the effect of secondary forces To start the locomotive quickly Minimize the effect of primary forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The driving and driven shafts connected by a Hooke's joint will have equal speeds, if cosθ = sinα tanθ = ± cosα sinθ = ± tanα cotθ = cosα cosθ = sinα tanθ = ± cosα sinθ = ± tanα cotθ = cosα ANSWER DOWNLOAD EXAMIANS APP
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 4/15 12 1/8 1/24 4/15 12 1/8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct as regard to the difference between a machine and a structure? The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only All of these A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only All of these A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders, are placed at 180° to each other 45° to each other 120° to each other 90° to each other 180° to each other 45° to each other 120° to each other 90° to each other ANSWER DOWNLOAD EXAMIANS APP
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