Theory of Machine The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove) secβ cosβ sinβ cosecβ secβ cosβ sinβ cosecβ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration is taken into account for Four bar chain mechanism Slider crank mechanism Quick return motion mechanism All of these Four bar chain mechanism Slider crank mechanism Quick return motion mechanism All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively) (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W (r₁ + r₂) (2/3). μ W (r₁ + r₂) (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W (r₁ + r₂) (2/3). μ W (r₁ + r₂) (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient. Directly proportional to Inversely proportional to Independent of Equal to Directly proportional to Inversely proportional to Independent of Equal to ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, if N coincides with O, then Acceleration and velocity of the piston P is maximum Acceleration of the piston P is maximum and its velocity is zero Acceleration of the piston P is zero and its velocity is maximum Acceleration and velocity of the piston P is zero Acceleration and velocity of the piston P is maximum Acceleration of the piston P is maximum and its velocity is zero Acceleration of the piston P is zero and its velocity is maximum Acceleration and velocity of the piston P is zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Davis steering gear consists of Sliding pairs Rolling pairs Higher pairs Turning pairs Sliding pairs Rolling pairs Higher pairs Turning pairs ANSWER DOWNLOAD EXAMIANS APP