Theory of Machine Cross head and guides form a Lower pair Turning pair Higher pair Sliding pair Lower pair Turning pair Higher pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum or minimum value of the swaying couple is ± 2a (1 - c) m.ω².r ± c.m.ω².r ± a (1 - c) m.ω².r ± (a/√2) (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ± c.m.ω².r ± a (1 - c) m.ω².r ± (a/√2) (1 - c) m.ω².r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The brake commonly used in railway trains is Band and block brake Band brake Internal expanding brake Shoe brake Band and block brake Band brake Internal expanding brake Shoe brake ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W tan(α - φ) P = W tan(φ - α) P = W tan(α + φ) P = W cos(α + φ) P = W tan(α - φ) P = W tan(φ - α) P = W tan(α + φ) P = W cos(α + φ) 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 4 fn 2 fn 8 fn fn/2 4 fn 2 fn 8 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In higher pair, the relative motion is Combination of sliding and turning Purely rotary Purely turning Purely sliding Combination of sliding and turning Purely rotary Purely turning Purely sliding ANSWER DOWNLOAD EXAMIANS APP