The process of removal of scale formed during hot rolling of steel is termed as
Descaling
Shot blasting
Pickling
Skimming
- In the acid Bessemer process, the hot metal should have the following composition.
- Tin based white metals are used, where bearings are subjected to
- The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and…
- The expected efficiency of a single riveted lap joint is of the order of 50%. If the thickness of the…
- Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.
- Catalyst used in the catalytic converter employed in automobiles to convert CO into CO2 and for complete…
- A spring material should have low
- A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec2 is
- Ceramic compounds as compared to metallic compounds
- Most of the phosphorous present in the blast furnace burden enters into
- Primary designation of steel is based on its
- The phenomenon occurring during explosion of a hydrogen bomb is
- Notched bar test is used for testing the __________ of a material.
- Addition of __________ to steel does not help in improving its machinability.
- The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation…
- Liquid nitrogen containers can be made from
- In a totally irreversible isothermal expansion process for an ideal gas, ΔE = 0, ΔH = 0. Then…
- Maraging steels derive their strength from the following mechanism:
- The product out from a cupola is called
- Water hammer is caused in steam carrying pipelines, because of
- The main charge in blast furnace is usually
- In TIG welding, thoriated tungsten electrodes are used, because it
- Lead is added to 60:40 brass primarily to improve
- Change in volume of metals from absolute zero temperature to their melting points is
- Working of linear variable differential transducer (LVDT) is based on the principle of variable
- In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________…
- Which of the following forces does not act on a fluid at rest?
- Steel balls are manufactured by
- Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the…
- For a first order chemical reaction, the concentration of the reactant decreases __________ with time.