Which of the following disciplines provides study of inertia forces arising from the combined effect of the mass and the motion of the parts? Theory of machines Mechanisms Kinetics Applied mechanics TRUE ANSWER : ? YOUR ANSWER : ?
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) 0.4985/√δ 1/2π × √(s/m) Any one of the listed here 1/2π × √(g/δ) TRUE ANSWER : ? YOUR ANSWER : ?
The periodic time of one oscillation for a simple pendulum is (1/2π). √(l/g) 2π. √(l/g) (1/2π). √(g/l) 2π. √(g/l) TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve) (m + M)/M M/(m + M) (m + M)/m m/(m + M) TRUE ANSWER : ? YOUR ANSWER : ?
Length of arc of contact is given by Arc of approach / Arc of recess Arc of approach × Arc of recess Arc of approach - Arc of recess Arc of approach + Arc of recess TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is an inversion of a single slider crank chain? Rotary internal combustion engine Pendulum pump Oscillating cylinder engine All of these TRUE ANSWER : ? YOUR ANSWER : ?
A completely constrained motion can be transmitted with. 4 links with pin joints 2 links with pin joints 1 link with pin joints 3 links with pin joints TRUE ANSWER : ? YOUR ANSWER : ?
When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be None of these Minimum Zero Maximum TRUE ANSWER : ? YOUR ANSWER : ?
When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a Turning pair Spherical pair Sliding pair Screw pair TRUE ANSWER : ? YOUR ANSWER : ?
In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links Will change Could change or remain unaltered depending on which link is fixed Will remain same Will not occur TRUE ANSWER : ? YOUR ANSWER : ?