For general industrial machinery, the ratio of the length of journal to its diameter is taken as
0.5 to 1
1 to 2
3 to 5
5 to 10
- The velocity factor for ordinary cut gears operating at velocities upto 12.5 m/s is equal to
- While designing a screw in a screw jack against buckling failure, the end conditions for the screw are…
- The expansion joint is mostly used for pipes which carry steam at __________ pressures.
- In cylindrical cams, the follower moves
- The rolling contact bearings as compared to sliding contact bearings have
- A screw is said to be over hauling screw, if its efficiency is
- Tapered roller bearings can take
- Cap screws are
- Which of the following is a permanent fastening?
- A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are…
- The suitable material for belt in agricultural machinery is
- Stress concentration is caused due to
- If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed…
- In designing a connecting rod, it is considered like __________ for buckling about X-axis.
- The ratio of circumferential stress to longitudinal stress in a thin cylinder subjected to an internal…
- For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual…
- The ratio of the ultimate stress to the design stress is known as
- The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under…
- In V-belt drive, belt touches
- Resistance to fatigue of a material is measured by
- Crowning on pulley helps
- A screw is said to be over hauling screw, if the
- Stress concentration factor is defined as the ratio of
- A hollow saddle key is
- Elastic nut is a locking device in which
- 18/8 steel contains
- Belt slip may occur due to
- When two helical springs of equal lengths are arranged to form a cluster spring, then
- When compared to the rod of the same diameter and material, a wire rope
- The ball bearings are provided with a cage