The refractory lining of the bottom in a basic electric arc furnace is made of
Silica
Alumina
Magnesia
Fireclay
- Which of the following is not categorised as the ore agglomeration process?
- Maximum change in the hardness of martensite occurs in the carbon content range of __________ percent…
- In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just…
- Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded…
- Which of the following is an unconventional source of energy?
- Coarse grained steels have
- Which of the following commonly used condenser tube materials has the lowest thermal conductivity?
- X-rays are
- Chlorine acts as a bleaching agent only in the presence of
- The delivery pressure of boiler feed water pump compared to the boiler steam pressure is
- The thermodynamic law, = constant, is not followed by the
- Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic…
- Upto the critical radius of insulation, added insulation, will
- Stainless steel is welded with difficulty because of
- What is the pH of distilled water?
- The swift cup test evaluates the following property of a sheet metal.
- Which of the following fastening devices has its both ends threaded?
- Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.
- The stress at which extension of the material takes place more rapidly as compared to the increase in…
- Heat transfer by __________ is almost absent in case of fluidised bed drying operation.
- Dry saturated steam can be converted into superheated steam by
- The material used for coating the welding electrode is termed as the
- Pick out the correct statement
- In a good rimming steel
- Atomic __________ of an element is a whole number.
- A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient.
- In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular…
- Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v2)] (V - b) = RT, depends…
- __________ has the highest melting point out of the following.
- Out of the following, the joint produced by __________ has the lowest strength.