Heat release during phase change is observed in case of a/an
Boiler
Condenser
Evaporator
All (A), (B) & (C)
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- The property of material, by which a given amount of energy is absorbed by it without plastic deformation,…
- Electrochemical corrosion can occur, only if __________ is present in contact with metal.
- __________ rubber is generally used for making 'O' rings used for vacuum sealings.
- Dew point temperature always gives an indication of the __________ of the moist air.
- Plasma is
- The only suitable method for hardening the low carbon steel is case hardening. Which of the following…
- Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses…
- Pressure exerted by a liquid depends upon its
- Mild steel has __________ crystal lattice structure.
- In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which…
- Viscoelastic behaviour is observed in __________ materials.
- A highly elastic material is deformed least on loading and retains its original form on removal of the…
- __________ is not used as a material of construction in thermocouples.
- Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.
- Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.
- Which of the following materials has the poorest electrical conductivity?
- Preheating before welding is done to
- __________ is not a case hardening process.
- Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?
- Hydrogen in liquid steels is dissolved
- Cold chisel & hammers are made of
- Water flow in the river during flood can be categorised as the __________ flow.
- Plastics as a material of construction suffer from the drawback of low
- Wrought iron does not have
- The property of material, by which a given amount of energy is absorbed by it, without plastic deformation,…
- Which of the following is prone to cup and cone fracture?
- Biological shield in a nuclear reactor is generally provided to protect against the
- Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement.…
- Hot working of lead is carried out at
- The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm2.