Which of the following metals is not subjected to electrolytic refining/purification?
Copper
Zinc
Tin
Aluminium
- In case of a, centrifugal pump, the ratio h1/h2 is termed as the __________ efficiency (where, h1 =…
- Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature…
- In the blast furnace, incorporation of water vapour in the blast gives the following effect.
- Natural water contains approximately __________ percent of heavy water.
- 'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and
- The product (s) of roasting of a sulphide ore is (are)
- About __________ ton of coke is required in a cupola to produce one ton of casting.
- Which of the following is an unconventional source of energy?
- Which of the following mainly decides the current to be employed is arc welding?
- Fire in fuel gas pipelines is extinguished most effectively by
- Which of the following equipments is used for liquid dispersion?
- A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal…
- The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost…
- Gratings is associated with the measurement of
- Stainless steel is welded using
- Fahrenheit and Centigrade scales have the same readings at
- Milk is fat dispersed in water. It is an example of
- Cast iron contains __________ percent carbon.
- The substance used as a smoke screen in warfare is
- Evaporative cooling process employs a combination of cooling and humidification in which the
- Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.
- Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?
- Half life of a radioactive isotope corresponds to the time required for half of the __________ to decay.
- The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where,…
- Surface tension of a liquid
- Carnot cycle is also termed as the constant __________ cycle in thermodynamics.
- __________ is the hardest material out of the following.
- Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________…
- Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)
- Moist climate is the most favourable factor in the site selection far a