Alloy powder manufactured by the following process have spherical shapes.
Electrochemical deposition
Gaseous reduction
Atomisation
Mechanical attrition
- __________ rubber is generally used for making 'O' rings used for vacuum sealings.
- Laser welding is widely employed in the __________ industries.
- The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.
- In chemical dehumidification of air
- Oxide layer formed on the non-ferrous metal surface after its annealing is
- Capacity & power requirement for an air compressor working at high altitude compared to sealevel will…
- The normal stress is the same in all directions at a point in a fluid, only when the fluid
- __________ is the trade name assigned to a nonferrous cast alloy composed of cobalt, chromium & tungsten.
- Which of the following heat treatment processes is usually applied to castings?
- For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be
- The product out from a cupola is called
- The stress at which extension of the material takes place more rapidly as compared to the increase in…
- On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the…
- Corrosion is
- The most suitable material of construction for a sewer to carry sewage under high pressure is
- Filler material used in welding should have __________ as compared to the parent metal to be welded.
- With increase in impurities in metals, their corrosion resistances
- The most serious manufacturing defect from fracture toughness point of view is
- In condensers used in thermal power plants, steam is normally used in shell side and cooling water on…
- Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal
- Limestone addition in the blast furnace is done to flux __________ present in the raw materials.
- __________ remains constant during the adiabatic cooling of moist air.
- Joining of thin foils is preferred to be done by
- Which of the following fastening devices has a head at one end and a nut fitted to the other?
- For a first order chemical reaction, the concentration of the reactant decreases __________ with time.
- In case of a, centrifugal pump, the ratio h1/h2 is termed as the __________ efficiency (where, h1 =…
- __________ iron is produced by the annealing of white cast iron.
- __________ is the most important element, which controls the physical properties of steel.
- Thermit welding uses the following energy source.
- Ceramic compounds as compared to metallic compounds