What is the correct answer?


__________ cannot increase the fatigue strength of a material.

A. Grain refining

B. Grain coarsening

C. Surface hardening

D. Shot peening

Correct Answer :

B. Grain coarsening

Related Questions

Neutrons are present in all atoms except that of On decreasing the grain size of a polycrystalline material, the property… Probability of cavitation occuring becomes very high, when the local __________… Good design of the casing of a centrifugal pump aims at minimising the What happens, when SO2 is passed through a solution of H2S in water? The cathode in an electrochemical cell always carries __________ joint is usually used for joining cast iron pipes mostly used… A thin, flat & square plate measuring 2 m × 2 m is freely hanging… Air-petrol ratio in an automotive petrol engine is around Catalyst used in the 'catalytic converter' employed in automobile exhaust… Which of the following are made out of the carbon steel having carbon… Out of the following the refractive index is the highest for In the diving apparatus, helium is used along with oxygen, because it… Satellites burn off during re-entry to earth's atmosphere, because of… Eutectic reaction for iron-carbon system occurs at a temperature of __________… Which of the following is not used as a bearing material? In case of brasses, with decreasing zinc percentage and increasing copper… CANDU type nuclear reactor using natural uranium as fuel is the extensively… Which of the following pairs is not correctly matched? The wet bulb temperature is lower in dry air than in wet air at the same… The 'laughing gas' is Vibration upto 100 kilo hertz can be most accurately measured by a __________… Cold cracking in the heat affected zone of a high strength steel weld… Annealing of white cast iron produces __________ iron. Recrystallisation temperature of steel is __________ °C. Fatigue resistance of a material is measured by the For separating small pieces of metal from engine oil of a car, the best… In case of water (Prandtl number ≈ 6) flowing over a flat plate… Suitability of steel for its use in cable is judged by its strength in Specific gravity of hot metal (pig iron) is __________ times that of the…