Correct answer
A. 2 (ΔT1. ΔT2)/(ΔT1 + ΔT2)
Explanation
The correct answer is 2 (ΔT1. ΔT2)/(ΔT1 + ΔT2).
Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory________?
The fluid velocity varies as the square root of the cylindrical pipe diameter in case of steady state laminar flow at constant pressure drop of ________ fluid?
The function of moderators in nuclear reactor is to ________?
Which of the following air pollutants is not toxic to vegetation i.e., doesn’t cause vegetation damage?
Size measurement of ultrafine particles can be best expressed in terms of________?
A fluid is flowing inside the inner tube of a double pipe heat exchanger with diameter ‘d’. For a fixed mass flow rate, the tube side heat transfer co-efficient for turbulent flow conditions is proportional to________?