Correct answer
D. 0.3
Explanation
The correct answer is 0.3.
Co-efficient of thermal expansion of glass is decreased by the addition of ________ during its manufacture?
Addition of a non-volatile solute to a pure solvent ________?
Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be ________ mm?
The progressive warming up of the earth’s surface is mainly due to the________?
Titanium is added to molten aluminium alloys before casting for the purpose of________?
In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the ________ efficiency?