Age hardening is connected with
Babbitt metal
Gun metal
Stainless steel
Duralumin
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- With increase in temperature, the surface tension of water
- Which of the following pairs is not correctly matched?
- Pick out the wrong statement.
- Dies for wire drawing are generally made of
- Out of the following __________ iron has the best capability to bear sudden & excessive shocks.
- Which of the following is an unconventional source of energy?
- Most of the phosphorous present in the blast furnace burden enters into
- Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative…
- The life of a ball bearing is inversely proportional to
- Satellites burn off during re-entry to earth's atmosphere, because of the
- Liquid nitrogen containers can be made from
- The dimensional formula of bulk modulus of elasticity is same as that of the
- A dense structure of grinding wheel is not used for the
- The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.
- Heat flow across a hollow sphere of inner radius 'r1' and outer radius 'r2' is directly proportional…
- The unit of gc is
- Pick out the wrong statement.
- Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be…
- Which of the following is not an explosive?
- Cascade control is
- The delivery pressure of boiler feed water pump compared to the boiler steam pressure is
- According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear…
- A steam pipe is intended to be insulated with two layers of insulating materials of different thermal…
- Rain drops falling through atmospheric air attain limited terminal velocity, because of
- The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong
- Yield strength of a material is determined by the __________ test.
- Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v2)] (V - b) = RT, depends…
- Maximum change in the hardness of martensite occurs in the carbon content range of __________ percent…
- Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.
- All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in…