Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.4 0.2 0.6 0.8 0.4 0.2 0.6 0.8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, if a spring of greater stiffness is used, then the governor will be Less sensitive Unaffected of sensitivity More sensitive Isochronous Less sensitive Unaffected of sensitivity More sensitive Isochronous ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be 625°K 700°K 600°K 650°K 625°K 700°K 600°K 650°K ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is false statement in respect of differences between machine and structure? Efficiency of machines as well as structures is below 100 % Machines modify movement and work, whereas structures modify forces Machines transmit mechanical work, whereas structures transmit 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 modify movement and work, whereas structures modify forces Machines transmit mechanical work, whereas structures transmit forces In machines, relative motion exists between its members, whereas same does not exist in case of structures ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam with a roller follower would constitute following type of pair Higher pair Close pair Lower pair Open pair Higher pair Close pair Lower pair Open pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A circle passing through the pitch point with its center at the center of cam axis is known as Pitch circle Outer circle Prime circle Base circle Pitch circle Outer circle Prime circle Base circle ANSWER DOWNLOAD EXAMIANS APP