Thermodynamic Celsius scale of temperature measureme... - Solved MCQs & Answer

Lead pipes are not safe for carrying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)2. Lead pipes are readily corroded by________?

Ans: Acetic acidRead →

MCQ #7666

Scale formation in boiler is controlled by________?

Ans: Reduction in hardness, silica & alumina in feed waterRead →

MCQ #1412

Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as________?

Ans: Gr0.25, GrRead →

MCQ #3498

Pick out the correct relationship. (Where, Ri = internal reflux ratio Ro = external reflux ratio.)?

Ans: (1 + Ro) = Ro/RiRead →