A.85%
B.80%
C.60%
D.40%
E.20%
Related Mcqs:
- If thermal conductivity of aluminium is say 100 units at 0?C, the thermal conductivity at 500?C will be closer to
- The ratio of thermal conductivity of copper to that of brass is nearly
- The average values of modulus of rigidity for aluminium brass, copper and steel in descending order is
- The average values of modulus of rigidity for Aluminium. Brass Copper, Nickel and Steel in desceading order are given by
- Which of the following has higher thermal conductivity as compared to the remaining?
- The numerical value of Young’s modulus of elasticity in ascending order for glass, aluminium, copper, wrought iron and tungsten are given by
- Which of the following factor has the least effect on the electrical conductivity of wires made of copper alloy?
- The weight of an aluminum conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is __________?
- A piece of paper wrapped tightly on a copper rod will get charred relatively slowly when held over a flame as compared to a piece of paper wrapped tightly on any of the following rod except:
- A load of 10,000 kg is applied to copper cylinder 20 cm long and 5 cm in diameter causes the length to increase by 4 mm and diameter to decrease by 0.4 mm. The Poisson’s ratio for copper would be
