R (1 - cosθ)

(R - r₁) (1 - cosθ)

R (1 - sinθ)

(R - r₁) (1 - sinθ)

**The Hooke's joint consists of:****The face of the tooth is the****When the belt is stationary, it is subjected to some tension known as initial tension. The value of…****For low and moderate speed engines, the cam follower should move with****The type of gears used to connect two non parallel and non intersecting shafts is****A kinematic chain is known as a mechanism when****Cross head and guides form a****The absolute acceleration of any point P in a link about center of rotation O is****A spring controlled governor is said to be stable if the controlling force line when produced intersects…****The advantage of the piston valve over the slide valve is that in the former case****When two pulleys of different diameters are connected by means of an open belt, the angle of contact…****A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx…****If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for…****The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled…****The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in****Frequency of vibrations is usually expressed in****The maximum fluctuation of energy is the****The dynamic friction is the friction experienced by a body, when the body****Efficiency of a screw jack is given by****Which of the following statement is correct?****If the opposite links of a four bar linkage are equal, the links will always form a****In gramophones for adjusting the speed of the turntable, the following type of governor is commonly…****The component of the acceleration, parallel to the velocity of the particle, at the given instant is…****Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is****The C.G. of a link in any mechanism would experience****The product of the diametral pitch and circular pitch is equal to****In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient.****The sense of coriolis component 2 ωv is same as that of the relative velocity vector v rotated…****The size of cam depends upon****The frictional torque transmitted in a truncated conical pivot bearing, considering uniform wear, is**