Theory of Machine The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure, is (2/3). μ W cosecα (r₁ + r₂) (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosecα (r₁ + r₂) (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα (r₁ + r₂) (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosecα (r₁ + r₂) (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Flywheel and engine frame Piston rod and connecting rod Crankshaft and flywheel Cylinder and piston Flywheel and engine frame Piston rod and connecting rod Crankshaft and flywheel Cylinder and piston ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanisms produces mathematically an exact straight line motion? Tchebicheff mechanism Peaucellier's mechanism Grasshopper mechanism Watt mechanism Tchebicheff mechanism Peaucellier's mechanism Grasshopper mechanism Watt mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is 4/15 1/24 12 1/8 4/15 1/24 12 1/8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For the same lift and same angle of ascent, a smaller base circle will give There is no such relation with pressure angle A small value of pressure angle A large value of pressure angle Something else There is no such relation with pressure angle A small value of pressure angle A large value of pressure angle Something else ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radial distance of a tooth from the pitch circle to the bottom of the tooth is called Working depth Addendum Clearance Dedendum Working depth Addendum Clearance Dedendum ANSWER DOWNLOAD EXAMIANS APP