Free vibration

Forced vibration

Damped vibration

Under damped vibration

**In a four stroke I.C. engine, the turning moment during the compression stroke is****The power of a Porter governor is equal to****The frictional torque transmitted by a cone clutch is same as that of****Which of the following statement is wrong?****A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation…****The locus of a point on a thread unwound from a cylinder will be****Coriolis component is encountered in****The primary unbalanced force is maximum _________ in one revolution of the crank.****Critical damping is a function of****For dynamic balancing of a shaft****The periodic time of one oscillation for a simple pendulum is****The secondary unbalanced force is __________ the primary unbalanced force.****The velocity of sliding of meshing gear teeth is (Where ω₁ and ω₂ are angular…****Torsional vibrations are said to occur when the particles of a body moves****The main disadvantage of the sliding pair is that it is****The critical speed of a shaft in revolution per second is __________ as that of natural frequency of…****In a reciprocating engine, usually __________ of the reciprocating masses are balanced.****Creep in belt drive is due to****In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient…****For a twin cylinder V-engine, the crank positions for primary reverse cranks and secondary direct cranks…****The ratio of the maximum displacement of the forced vibration to the deflection due to the static force,…****When a point at the end of a link moves with constant angular velocity, its acceleration will have****In a rigid link OA, velocity of A w.r.t. O will be****Which of the following mechanism is obtained from lower pair?****The minimum number of teeth on the pinion which will mesh with any gear without interference for 20°…****In involute gears, the pressure angle is****The height of a Watt's governor (in metres) is equal to (where N = Speed of the arm and ball about the…****The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. This may…****A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the…****In gramophones for adjusting the speed of the turntable, the following type of governor is commonly…**