Process Equipment and Plant Design Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent. 5 55 35 20 5 55 35 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate? Triangular pitch Square pitch Heat transfer rate is independent of tube arrangement Diagonal square pitch Triangular pitch Square pitch Heat transfer rate is independent of tube arrangement Diagonal square pitch ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Brass valves are usually made for pipe sizes __________ inches. ?2 >3.5 ?1 >2.5 ?2 >3.5 ?1 >2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is Less Twice Same More Less Twice Same More ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Safety valves are provided in chemical equipments to guard against excessive Temperature Pressure/pressure fluctuation Turbulence Noise Temperature Pressure/pressure fluctuation Turbulence Noise ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Cooling water fouling factors vary in the range of 0.001 to 0.003 (W/m².°K)⁻¹ (kcal/hr.m² .°C)⁻¹ (BTU/hr.ft² . °F)⁻¹ (kcal/hr. m. °C)⁻¹ (W/m².°K)⁻¹ (kcal/hr.m² .°C)⁻¹ (BTU/hr.ft² . °F)⁻¹ (kcal/hr. m. °C)⁻¹ ANSWER DOWNLOAD EXAMIANS APP