Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)
A
l
A2
Both 'a' & 'b'
- Stainless steel is welded using
- Isotropic materials have the same __________ in all directions.
- The activity co-efficient of the solute in a dilute solution
- During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional…
- Wrought iron is not
- Direct conversion of thermal energy to electrical energy is facilitated by the
- Dowtherm is a
- In chemical dehumidification process
- Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.
- Which of the following varies as the square root of oil pressure during atomisation of fuel oil through…
- Which of the following properties of a solid is not dependent on crystal imperfection?
- Eutectoid composition of carbon steel at room temperature is
- Corrosion is
- Ganister contains maximum percentage of
- Wrought iron does not have
- Addition of silicon to cast iron
- Holes for riveting purposes should be preferably made by
- Speed of a submarine in deep sea & that of an aeroplane is measured by a/an
- The order of a chemical reaction
- A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal…
- Satellites burn off during re-entry to earth's atmosphere, because of the
- Plants produce carbohydrates from the CO2 present in the atmosphere by
- The dew point temperature lines on psychrometric charts are straight inclined sloping downwards to the…
- Calorific value of __________ are almost same.
- Current employed in resistance welding ranges from __________ kVA/.
- Leakage in a cooking gas cylinder is detected by
- A jig is used while __________ a hole.
- If the demand for an item is trebled and the order cost is reduced to one third, then the economic order…
- __________ is used as a material of construction for the blade of power saw.
- Viscoelastic behaviour is observed in __________ materials.