90° and 180°

45° and 225°

180° and 270°

270° and 360°

**The maximum or minimum value of the swaying couple is****The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity…****A spring controlled governor is found unstable. It can be made stable by****A body of weight W is required to move up the rough inclined plane whose angle of inclination with the…****The centre distance between two meshing involute gears is equal to****In a spring controlled governor, when the controlling force ________ as the radius of rotation increases,…****Balancing of rotating and reciprocating parts of an engine is necessary when it runs at****Which of the following mechanisms produces mathematically an exact straight line motion?****The example of spherical pair is****Lower pairs are those which have****The lower pairs are __________ pairs.****In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders,…****Which of the following is an inversion of Single slider crank chain?****The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given…****The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is (Where μ =…****A body will begin to move down an inclined plane, if the angle of inclination of the plane is ________…****Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of a cross…****The direction of linear velocity of any point on a link with respect to another point on the same link…****In gears, interference takes place when****Which of the following is a pendulum type governor?****The maximum efficiency of a screw jack is****The centrifugal tension in belts****The maximum velocity of a particle moving with simple harmonic motion is****Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is****In order to give a complete secondary balance of a multi-cylinder inline engine,****The danger of breakage and vibration is maximum****A shaft carrying three rotors will have****In a Hartnell governor, if a spring of greater stiffness is used, then the governor will be****Transmission angle is the angle between****The component of the acceleration, perpendicular to the velocity of the particle, at the given instant…**