Theory of Machine What is the number of instantaneous centers for an eight link mechanism? 30 15 28 8 30 15 28 8 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 2 fn fn/2 8 fn 4 fn 2 fn fn/2 8 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Critical damping is a function of Damping coefficient and natural frequency Mass and stiffness Mass and damping coefficient Mass and natural frequency Damping coefficient and natural frequency Mass and stiffness Mass and damping coefficient Mass and natural frequency ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be 45 mm Slightly less than 45 mm Slightly more than 45 mm 95 mm 45 mm Slightly less than 45 mm Slightly more than 45 mm 95 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body) 1/2π × √(s/m) 1/2π × √(g/δ) Any one of the listed here 0.4985/√δ 1/2π × √(s/m) 1/2π × √(g/δ) Any one of the listed here 0.4985/√δ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an ideal machine, the output as compared to input is Less More Equal May be less or more depending on efficiency Less More Equal May be less or more depending on efficiency ANSWER DOWNLOAD EXAMIANS APP