Absolute zero pressure can be attained at a temperature of
0°C
50°K
0°R
None of these
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- Which of the following is an ore dressing operation?
- Increase in temperature, in general results in the
- In case of a, centrifugal pump, the ratio h1/h2 is termed as the __________ efficiency (where, h1 =…
- Magnetic permeability of iron is increased by its
- Basicity of the slag in Indian blast furnace is in the range of
- __________ test can be termed as the semidestructive test.
- The product (s) of roasting of a sulphide ore is (are)
- Dielectric
- Hydro-cyclone is a
- During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional…
- Pick out the wrong statement.
- Air intake for an air compressor should be preferably taken from
- Rankine cycle comprises of two isothermal and two __________ processes.
- When an isolated thermodynamic system executes a process,
- Angular displacement can be measured suitably by a
- Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.
- One of the methods of purification of leach liquor is ion exchange, which involves
- The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a…
- 'Cryogenics' is concerned with the generation & use of low temperature in the range of
- Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.
- Dephosphorization of molten pig iron is favoured by
- A steam pipe is intended to be insulated with two layers of insulating materials of different thermal…
- The main constituent of bones is
- The amount of different substances produced, when the same quantity of electricity is passed through…
- Which of the following fastening devices has its both ends threaded?
- Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal
- Ganister contains maximum percentage of
- Which of the following processes follows the hardening process for reducing the hardening strains &…
- Laser welding is widely employed in the __________ industries.
- The material used for coating the welding electrode is termed as the