In order to obtain bolt of uniform strength
Increase shank diameter
Increase its length
Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread
Tighten die bolt properly
- Slenderness ratio is the ratio of
- Stress concentration factor is defined as the ratio of
- The design of pin of a rocker arm of an I.C. engine is based on
- In a band and block brake, the ratio of tensions on the tight and slack sides of band is given by (where…
- The speed of the sprocket reduces as the chain pitch __________ for a given number of teeth.
- Lewis equation in gears is used to find the
- The objective of caulking in a riveted joint is to make the joint
- In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set…
- Which of the following statement is wrong?
- For applications involving high stresses in one direction only the following type of thread would be…
- Which of the following is not correct procedure to increase the fatigue limit?
- Taper on the cotter and slot is provided
- According to Indian standard specifications, a grey cast iron designated by 'FG 200' means that the
- Which of the following statement is correct?
- A tapered key which fits in a key-way in the hub and is flat on the shaft, is known as
- For same pulley diameters, center distance, belt speed and belt and pulley materials,
- The pitch diameter is the __________ diameter of an external or internal screw thread.
- Which of the following screw thread is adopted for power transmission in either direction?
- According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter…
- When two springs are in series (having stiffness K), the equivalent stiffness will be
- Split nut is a locking device in which
- The maximum bending stress in a curved beam having symmetrical section always occur at the
- When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile…
- Elastic nut is a locking device in which
- The effective stress in wire ropes during normal working is equal to the stress due to
- According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than…
- The piston pin bearings in heavy duty diesel engines are
- The suitable material for belt used in flour mill is
- In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of…
- The contact ratio is the ratio of