__________ flux is used for the extraction of metal from its self fluxing ores.
No
Acid
Basic
Neutral
- Pick out the wrong conversion of absolute & kinematic viscosities.
- Metal shots used in shot blasting are made of
- Yield strength of a polycrystalline metal with an average grain size d, is proportional to
- Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v2)] (V - b) = RT, depends…
- With increase in impurities in metals, their corrosion resistances
- Limestone is added in the blast furnace (during pig iron manufacture) to
- As the fluid flow rate increases, the float of the Rotameter
- Bad odour in sanitary latrines is reduced by periodically sprinkling
- The difference between gross & net calorific values of fuel is due to the
- Diffusion co-efficient of a metal in a solid solution depends upon its
- The mechanism which changes the value of manipulated variable in response to the output signal from…
- Which of the following does not have a sharp melting point?
- Which of the following metals reacts violently with water?
- __________ fluid force is not considered in the Navier-Stokes equation.
- At the point of boundary layer separation in fluid flow, the
- Current employed in resistance welding ranges from __________ kVA/.
- The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress…
- Water hammer is caused in steam carrying pipelines, because of
- The most commonly used moderator in nuclear power plants is
- Plants produce carbohydrates from the CO2 present in the atmosphere by
- Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic…
- Cold working of a material results in increase in hardness, which is termed as the __________ hardening.
- Lead pencil contains
- Pick out the wrong statement.
- Cassiterite is an ore of
- More than 95% of __________ is present in corundum.
- Material of construction of foundry crucible is
- Which of the following commonly used condenser tube materials has the lowest thermal conductivity?
- In practice, the compression ratio of compression-ignition (CI) engine ranges from
- Unit of viscosity in CGS system is