Heat Transfer 1 BTU/hr.ft.°F is equal to __________ kcal/hr. m.°C. 1.49 4.88 None of these 1 1.49 4.88 None of these 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Graetz number is given by kL/mCp mCp/kμ mCp/kL kμ/mCp kL/mCp mCp/kμ mCp/kL kμ/mCp ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides Higher economy Both A & B Lower capacity Lower economy Higher economy Both A & B Lower capacity Lower economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For concentrating an aqueous solution of a material like anhydrous Na₂SO₄, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator. Backward feed None of these Vacuum High pressure Backward feed None of these Vacuum High pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the steam economy in case of a single effect evaporator system? 0.1 >1 1 < 1 0.1 >1 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Among liquids, water has a comparatively high value of thermal conductivity, due to its High viscosity Partial ionisation Dense structure Low density High viscosity Partial ionisation Dense structure Low density ANSWER DOWNLOAD EXAMIANS APP
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