Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair. Surface contact Line or point contact Body contact None of these Surface contact Line or point contact Body contact None of these 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 The Grubler's criterion for determining the degrees of freedom (n) of a mechanism having plane motion is (where l = Number of links, and j = Number of binary joints) n = 2(l - 1) - 2j n = 4(l - 1) - 3j n = 3(l - 1) - 2j n = (l -1) - j n = 2(l - 1) - 2j n = 4(l - 1) - 3j n = 3(l - 1) - 2j n = (l -1) - j ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Piston rod and connecting rod Crankshaft and flywheel Cylinder and piston Flywheel and engine frame Piston rod and connecting rod Crankshaft and flywheel Cylinder and piston Flywheel and engine frame ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively) m₁ r₂ = m₂ r₁ m₁ r₁ = m₂ r₂ None of these m₁ m₂ = r₁ r₂ m₁ r₂ = m₂ r₁ m₁ r₁ = m₂ r₂ None of these m₁ m₂ = r₁ r₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pulley in a belt drive acts as Turning pair Sliding pair Rolling pair Cylindrical pair Turning pair Sliding pair Rolling pair Cylindrical pair ANSWER DOWNLOAD EXAMIANS APP
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