a is +ve and b = 0

a = 0 and b is +ve

a is +ve and b is -ve

a is +ve and b is also +ve

**The frictional torque transmitted by a disc or plate clutch is same as that of****A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface.…****The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness…****The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball,…****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 coriolis component of acceleration is taken into account for****The factional torque for square thread at the mean radius r while raising load W is given by****The motion between a pair when limited to a definite direction, irrespective of the direction of force…****When the body is suspended at the point of suspension, its periodic time and frequency will be ________…****In a pantograph, all the pairs are****In gears, interference takes place when****Which of the following is a spring controlled governor?****The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where…****The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations.****The equivalent length of a simple pendulum which gives the same frequency as a compound pendulum is****The absolute acceleration of any point P in a link about center of rotation O is****In gramophones for adjusting the speed of the turntable, the following type of governor is commonly…****In a band and block brake, the ratio of tensions on tight side and slack side of the band is (where…****Cam size depends upon****The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction)****For simple harmonic motion of the of follower, a cosine curve represents****TJIE horse power transmitted by a belt is dependent upon****In a Hartnell governor, the compression of the spring is __________ the lift of the sleeve.****When the two elements of a pair have a surface contact when relative motion takes place and the surface…****In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing…****For a twin cylinder V-engine, the crank positions for primary reverse cranks and secondary direct cranks…****The static balancing is satisfactory for low speed rotors but with increasing speeds, dynamic balancing…****In a screw jack, the effort required to lower the load W is given by****The frequency of oscillation of a torsional pendulum is****The following is the inversion of slider crank chain mechanism**