Theory of Machine Peaucellier’s mechanism has Twelve links Eight links Six links Four links Twelve links Eight links Six links Four links ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body is said to be under forced vibrations, when No external force acts on a body, after giving it an initial displacement A body vibrates under the influence of external force None of these There is a reduction in amplitude after every cycle of vibration No external force acts on a body, after giving it an initial displacement A body vibrates under the influence of external force None of these There is a reduction in amplitude after every cycle of vibration 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 fn/2 2 fn 8 fn 4 fn fn/2 2 fn 8 fn 4 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mechanism _________ for transmitting or transforming motion. None of these Can not be used Unpredictable Can be used None of these Can not be used Unpredictable Can be used ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is obtained from lower pair? Gyroscope All of these Pantograph Valve and valve gears Gyroscope All of these Pantograph Valve and valve gears ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair. Body contact Line or point contact None of these Surface contact Body contact Line or point contact None of these Surface contact ANSWER DOWNLOAD EXAMIANS APP