Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same
Period increases
Period decreases
Group increases
Both 'b' & 'c'
- Function of fusible plug in a boiler is to
- Atomic __________ of an element is a whole number.
- Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.
- Stellite is a __________ material.
- High speed steel tools retain their hardness upto a temperature of __________ °C.
- The unit of gc is
- __________ test can be termed as the semidestructive test.
- Calorific value of __________ are almost same.
- For dynamic strain measurement, the Wheatstone bridge used is of __________ type.
- Dislocation cross-slip is difficult in those materials, which have
- A solution which resists change in its pH value on addition of acid/alkali is called the __________…
- In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length,…
- The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 >…
- The mechanism involved in the removal of metal in drilling operation is by
- Which of the following varies as the square root of oil pressure during atomisation of fuel oil through…
- Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses…
- Removal of non-condensable from steam or other vapour is termed as the __________ process.
- The difference between gross & net calorific values of fuel is due to the
- The atmospheric temperature during melting of ice/snow (in the atmosphere)
- __________ is the most important element, which controls the physical properties of steel.
- The refractory lining of the bottom in a basic electric arc furnace is made of
- In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________…
- The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm2.
- Which of the following is an unconventional source of energy?
- Pick out the wrong statement.
- The only suitable method for hardening the low carbon steel is case hardening. Which of the following…
- The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed…
- Which of the following contributes maximum as main source of sulphur in the blast furnace charge?
- Which of the following pairs is not correctly matched?
- Energy of the sun arises mainly from __________ reactions.