A gas (density = 1.5 kg/m3, viscosity = 2 × 10‒5 kg/... - Solved MCQs & Answer

The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K)?

Ans: TRead →

MCQ #1494

A Newtonian liquid (ρ = density, μ = viscosity) is flowing with velocity „v‟ in a tube of diameter ‘D’. Let Δp be the pressure drop across the length ‘L’. For a laminar flow, Δp is proportional to________?

Ans: Lρv2/DRead →