Theory of Machine A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is Not sound Data is not sufficient to determine same Soundness would depend upon which link is kept fixed Kinematically sound Not sound Data is not sufficient to determine same Soundness would depend upon which link is kept fixed Kinematically sound ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The danger of breakage and vibration is maximum Near the critical speed Above the critical speed None of these Below the critical speed Near the critical speed Above the critical speed None of these Below the critical speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve. None of these Less than Equal to Greater than None of these Less than Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The minimum periodic time of a compound pendulum is 2π. √(kG/g) 2π. √(2kG/g) (1/2π). √(kG/g) (1/2π). √(2kG/g) 2π. √(kG/g) 2π. √(2kG/g) (1/2π). √(kG/g) (1/2π). √(2kG/g) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by W CS / 2CE W CE / 2CS 2 W CE / CS W CE / CS W CS / 2CE W CE / 2CS 2 W CE / CS W CE / CS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become 4 fn 8 fn 2 fn fn/2 4 fn 8 fn 2 fn fn/2 ANSWER DOWNLOAD EXAMIANS APP
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