The value of Lewis form factor used in design of gears is
Dependent on number of teeth of a gear
Dependent on system of teeth
Independent of size of teeth
All of these
- A bolt of M 24 × 2 means that
- In the levers of third type, the mechanical advantage is __________ one.
- The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure…
- When spring index increases, the value of Wahl's stress factor
- The included angle between the sides of V-belt is
- In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of…
- A screw is said to be a self locking screw, if its efficiency is
- According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness…
- The arms of the pulleys for flat belt drive have
- Ball bearing type screws are found in following application
- The bending stress in a curved beam is
- According to Indian standards, a bolt thread of 6 mm size of coarse pitch and with allowance on the…
- Which of the following screw thread is adopted for power transmission in either direction?
- In cylindrical cams, the follower moves
- When the speed of belt increases,
- For standard coarse threads of nut, the threads will be as strong in failure by shear as the bolt in…
- The taper on key is given on
- The velocity factor for precision metallic gears cut with high accuracy and operating at velocities…
- The period during which the cam follower remains at rest, when cam moves, is known as
- The dedendum circle diameter is equal to (where φ = Pressure angle)
- The maximum efficiency of a square threaded screw is
- When an open coiled helical compression spring is subjected to an axial compressive load, the stress…
- According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter…
- Taper on the cotter and slot is provided
- In unilateral system of tolerance, the tolerance is allowed on
- The valve rod in a steam engine is connected to an eccentric rod by
- For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual…
- The number of slots in a 25 mm castle nut is
- If an application calls for stresses on screw threads in one direction only, then the following type…
- When the belt is transmitting maximum power,