Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.
X-rays
γ-rays
α-rays
β-rays
- Yield strength of a material is determined by the __________ test.
- The majority charge carriers in p-type silicon are
- An alloy of Fe - 0.4 % C is
- Biological shield in a nuclear reactor is generally provided to protect against the
- Runge-Kutta method is used to solve a/an
- Which one can be directly solidified from gaseous state without entering into liquid state?
- The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used.…
- Removal of non-condensable from steam or other vapour is termed as the __________ process.
- The phenomenon occurring during explosion of a hydrogen bomb is
- __________ furnace is generally used in the non-ferrous foundries.
- Which of the following is not an ore of copper?
- Compressed dry air is used as the cutting fluid, while machining
- Superheating of steam is done at constant
- __________ property of a material is determined by the Herbert Pendulum device.
- 'Flare tower' used in industry is meant for
- Cupola produces __________ iron.
- __________ wire is never used for making the heating element.
- Earing is a defect found in steels after the following metal working operation.
- Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal
- Which of the following materials does not form adherent oxide film on surface?
- Alloy powder manufactured by the following process have spherical shapes.
- Basic open hearth furnace (BOF) is not used for producing __________ steel.
- The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of…
- 'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable…
- The normal stress is the same in all directions at a point in a fluid, only when the fluid
- Joule-Thomson co-efficient is the ratio of
- Even though heat transfer co-efficient in boiling liquids is large, use of fins is advantageous, when…
- Principal alloying element in Elinvar (used for making hair springs for watches) is
- Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical…
- Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.