__________ cannot increase the fatigue strength of a material.
Grain refining
Grain coarsening
Surface hardening
Shot peening
- The starting of a car takes time in winter, because the
- Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about
- Basicity of the slag in Indian blast furnace is in the range of
- __________ is not a heat treatment process.
- Yield strength of a polycrystalline metal with an average grain size d, is proportional to
- In case of simple harmonic motion, displacement is proportional to the
- Property responsible for the talcum powder to cling to the skin is the
- Shaft/rotor speed is most accurately measured by a
- Which of the following does not have a sharp melting point?
- In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean…
- __________ of test specimens is not involved in any hardness testing method.
- Eutectoid composition of carbon steel at room temperature is
- 'Flare tower' used in industry is meant for
- Liquor poisoning generally occurs due to the presence of __________ in it.
- Transformation range for ferrous material is the temperature interval during which __________ is formed…
- The phenomenon occurring during explosion of a hydrogen bomb is
- For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other…
- Stainless steel is welded with difficulty because of
- Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts…
- The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed…
- A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer…
- The normal stress is the same in all directions at a point in a fluid, only when the fluid
- The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost…
- In case of compression of one kg of air, the work done will be the least, when the value of polytropic…
- Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing…
- In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just…
- Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare…
- Moist climate is the most favourable factor in the site selection far a
- Pick out the wrong conversion of absolute & kinematic viscosities.
- The most important function of a washer is to provide bearing area and washers are normally specified…