Process Equipment and Plant Design Cooling water fouling factors vary in the range of 0.001 to 0.003 (BTU/hr.ft² . °F)⁻¹ (kcal/hr.m² .°C)⁻¹ (W/m².°K)⁻¹ (kcal/hr. m. °C)⁻¹ (BTU/hr.ft² . °F)⁻¹ (kcal/hr.m² .°C)⁻¹ (W/m².°K)⁻¹ (kcal/hr. m. °C)⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Apex angle of conical heads used in the bottom heads of chemical process equipments is usually 60° 75° 45° 30° 60° 75° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The retention time of material in a rotary dryer depends upon its Slope & length Flights arrangement Rpm All of these Slope & length Flights arrangement Rpm All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following lengths of heat exchanger tubes are normally not used in practice? 0.5 metre 6 metres 10 metres 2.5 metres 0.5 metre 6 metres 10 metres 2.5 metres ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation Does not affect the capacity Increases economy Both B & C Increases capacity Does not affect the capacity Increases economy Both B & C Increases capacity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of (1.2)3/2 (1.2)5/3 (1.2)2/3 (1.2)3/5 (1.2)3/2 (1.2)5/3 (1.2)2/3 (1.2)3/5 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS