Flexible coupling

Universal coupling

Chain coupling

Oldham's coupling

**The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball,…****The factor which affects the critical speed of a shaft is****In a simple harmonic motion, the velocity vector with respect to displacement vector****When the particles of a body moves perpendicular to its axis, then the body is said to have****The danger of breakage and vibration is maximum****Which of the following is an inversion of a single slider crank chain?****The two elements of a pair are said to form a _________ when they permit relative motion between them.****If the damping factor for a vibrating system is unity, then the system will be****3.The retardation of a flat faced follower when it has contact at the apex of the nose of a circular…****Peaucelliers mechanism has****Klein's construction can be used to determine acceleration of various parts when the crank is at****The critical speed of a shaft in revolution per second is __________ as that of natural frequency of…****In a flat collar pivot bearing, the moment due to friction is proportional to****If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for…****In elliptical trammels****In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is Constant, then****The Scott-Russell mechanism consists of****An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one…****The type of gears used to connect two non parallel and non intersecting shafts is****The mechanism consisting of three turning pairs and one sliding pair, is called a****There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20,…****The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft,…****Which type of gearing is used in steering system of an automobile?****For high speed engines, the cam follower should move with****When a point moves along a straight line, its acceleration will have****The secondary unbalanced force is maximum __________ in one revolution of the crank.****When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move…****In gramophones for adjusting the speed of the turntable, the following type of governor is commonly…****A completely constrained motion can be transmitted with.****Klein's construction gives a graphic construction for**