Which one of the following is a positive drive?
V-belt drive
Rope drive
Crossed flat belt drive
Chain drive
- The endurance limit of a material with finished surface in comparison to rough surface is
- In cylindrical cams, the follower moves
- A sliding bearing in which although lubricant is present, the working surfaces __________ contact each…
- The objective of caulking in a riveted joint is to make the joint
- The constant factor in case of R10 series of preferred numbers is
- In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock…
- When compared to the rod of the same diameter and material, a wire rope
- A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are…
- The following type of nut is used with alien bolt
- In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then…
- The shear stress at a point in a shaft subjected to a torque is
- The helix angle for double helical gears may be made up to
- According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter…
- In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set…
- The valve rod in a steam engine is connected to an eccentric rod by
- Taper usually provided on cotter is
- The maximum stress due to stress concentration in a bar having circular transverse hole, as compared…
- In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of…
- In hydrostatic bearings
- The building up of worn and undersized parts, subjected to repeated loads by electroplating is
- The connecting rod bolts are tightened up so that tightening stress
- The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and…
- For high speed engines, the cam follower should move with
- Which of the following spring is used in mechanical wrist watch?
- The bending stress in a curved beam is
- In static loading, stress concentration is more serious in
- When a helical compression spring is cut into halves, the stiffness of the resulting spring will be
- For applications involving high stresses in one direction only the following type of thread would be…
- A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder…
- A self locking screw has