Which of the following is an unconventional source of energy?
Thermal power
Hydroelectric power
Nuclear-fusion power
Solar power
- Corrosion rate cannot be lowered by reducing the __________ of the corroding medium.
- Case hardening of a material is
- An abrupt and sudden fall in the reading of barometer is an indication of the
- In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are…
- Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded…
- __________ can replace tungsten in high speed steel.
- Satellites burn off during re-entry to earth's atmosphere, because of the
- Quartz is a __________ material.
- In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular…
- Work done by a/an __________ process is determined by ∫p. dv
- Joule-Thomson co-efficient is the ratio of
- Out of the following, the best material capable of withstanding shock & vibration without the danger…
- Which one of the following is incombustible?
- Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when
- Theoretical volume of oxygen required for complete combustion of 1Nm3 of acetylene, in oxyacetylene…
- Recrystallisation temperature of steel is __________ °C.
- Silicon crystal can be converted to p-type semiconductor by doping with
- Electrostatic separation of minerals from each other is based on their differences in the following…
- Dielectric
- In TIG welding, thoriated tungsten electrodes are used, because it
- Pick out the wrong statement.
- Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot
- The activity co-efficient of the solute in a dilute solution
- The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________…
- LVDT used for displacement measurement is a/an __________ transducer.
- Pick out the correct statement.
- Transformation range for ferrous material is the temperature interval during which __________ is formed…
- Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles…
- Strain hardening effect in metals subjected to cold working is due to the __________ mechanism.
- Enzymes belong to the category of