The dedendum circle diameter is equal to (where, φ = Pressure angle)
Pitch circle dia. × cosφ
Addendum circle dia. × cosφ
Clearance circle dia. × cosφ
Pitch circle dia. × sinφ
- In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is…
- The absolute acceleration of any point P in a link about center of rotation O is
- The train value of a gear train is
- A mechanism is an assemblage of
- A pantograph is a mechanism with
- The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship.
- The periodic time is given by (where ω = Angular velocity of the particle in rad/s)
- The sense of coriolis component 2 ωv is same as that of the relative velocity vector v rotated…
- When the nature of contact between the elements of a pair is such that one element can turn about the…
- A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at…
- The Hooke's joint consists of:
- A pulley and belt in a belt drive form a
- Idler pulley is used
- Which of the following property of the instantaneous centre is correct?
- A body is said to be under forced vibrations, when
- The motion between a pair which takes place in __________ is known as incompletely constrained motion.
- The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m). (dx/dt)…
- The velocity of sliding of meshing gear teeth is (Where ω₁ and ω₂ are angular…
- The amplitude of vibration is always __________ the radius of the circle.
- The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball,…
- The minimum periodic time of a compound pendulum is
- The ratio of the driving tensions for V-belts is __________ times that of flat belts. (Where β…
- Peaucelliers mechanism has
- The dedendum circle diameter is equal to (where, φ = Pressure angle)
- In a steam engine, the distance by which the outer edge of the Dslide valve overlaps the steam port…
- Which of the following disciplines provides study of the relative motion between the parts of a machine…
- The maximum fluctuation of speed is the
- Which of the following is an inversion of a double slider crank chain?
- The lower pair is a
- If D₁ and D₂ be the diameters of driver and driven pulleys, then belt speed is proportional…