Coaxing is the procedure of increasing
Metal strength by cycling
Metal hardness by surface treatment
Metal resistance to corrosion by coating
Fatigue limit by overstressing the metal by successively increasing loadings
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- A bolt
- The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and…
- The coefficient of friction between the belt and pulley depends upon the
- A bolt of uniform strength can be developed by
- The edges of a boiler plate are bevelled to an angle of
- Turn buckle has
- Which of the following is a permanent fastening?
- When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic…
- I.S. specifies following total number of grades of tolerances
- The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover…
- For standard coarse threads of nut, the threads will be as strong in failure by shear as the bolt in…
- Wire ropes as compared to cotton ropes
- When an open coiled helical compression spring is subjected to an axial load (W), the compression produced…
- According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter…
- A bolt is designed on the basis of __________ with a large factor of safety.
- The fatigue life of a part can be improved by
- The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under…
- Which of the following statement is correct?
- The shock resistance of steel is increased by adding
- The application of third type levers is found in
- A sliding bearing which can support steady loads without any relative motion between the journal and…
- The standard length of the shaft is
- For hardening alloy steels and high speed steels, they are heated to
- If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making…
- A localised compressive stress at the area of contact between two members is known as
- Oldham coupling is used to connect two shafts
- In order to obtain bolt of uniform strength
- Which of the following statement is correct regarding power screws?
- A tapered key which fits in a key-way in the hub and is flat on the shaft, is known as
- Two closely coiled helical springs with stiffness k₁ and k₂ respectively are connected…