With decrease in the grain size of a material, its creep resistance
Increases
Decreases
Remain constant
Either (A) or (B); depends on the material
- The most prominent single cause of corrosion in boiler-tubes, drums, economisers and steam superheaters…
- Heat required to raise the temperature of a body by 1 °C is called its
- Minimum number of members required to form a Public Limited Joint Stock Com-pany is
- Fatigue limit improvement by over stressing the metal by successively increasing the load is called…
- While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen…
- The starting of a car takes time in winter, because the
- In inventory control theory, the economic order quantity (EOQ) is the
- Nitriding of a steel part does not increase its
- The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.
- The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction…
- Satellites burn off during re-entry to earth's atmosphere, because of the
- In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer…
- In a neutral solution
- Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic…
- Fine grained steels have
- Galvanic corrosion cannot be prevented by
- In electrical resistance welding, distortion results from the use of improper
- In the blast furnace, incorporation of water vapour in the blast gives the following effect.
- Which of the following is not an explosive?
- An example of unsteady non uniform flow is the flow of liquid under pressure through a
- The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10-16 m2S-1 and it is 1.94 ×…
- Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________…
- Moist climate is the most favourable factor in the site selection far a
- The condition of diffraction from a crystal is given by
- In an eutectic system, two elements are completely
- Which of the following is an example of stress corrosion?
- The phenomenon occurring during explosion of a hydrogen bomb is
- Dephosphorization of molten pig iron is favoured by
- A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure…
- For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is…