Superheating of steam is done at constant
Enthalpy
Entropy
Pressure
Volume
- Oxide layer formed on the non-ferrous metal surface after its annealing is
- Rain drops falling through atmospheric air attain limited terminal velocity, because of
- Drossing is a __________ operation.
- Which of the following is not a characteristic observed in material failure by fatigue fracture?
- Metal shots used in shot blasting are made of
- The lightest non-inflammable gas is
- The leaching solvent used in Baeyer's process for the purification of bauxite is
- __________ wire is never used for making the heating element.
- Which of the following hardness tests does not measure the indentation hardness of metals and alloys?
- Pick out the wrong statement about coating/electroplating of metals.
- Pick out the correct combination about the role of various additives used in polymers.
- Pick out the wrong statement.
- Fibre glass is a composite material of
- Pick out the wrong statement.
- Consumable electrodes are used in the __________ welding.
- Runge-Kutta method is used to solve a/an
- Super conduction in metals is observed at a temperature of __________ °K.
- Dowtherm is a
- The refractory lining of the bottom in a basic electric arc furnace is made of
- Joule-Thomson co-efficient is the ratio of
- Which of the following metals cannot be hot worked at room temperature?
- Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C…
- The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.
- Biological shield in a nuclear reactor is generally provided to protect against the
- Addition of __________ to steel does not impart hardness.
- Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at…
- Silicon percentage in the silicon steel used for electrical appliances/equipments is
- An ideal material for making cooking vessels should have
- Which of the following varies as the square root of oil pressure during atomisation of fuel oil through…
- The life of a ball bearing is inversely proportional to