Process Equipment and Plant Design The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute. 40 to 50 15 to 30 5 to 10 55 to 75 40 to 50 15 to 30 5 to 10 55 to 75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A stuffing box is used for Absorbing the contraction/expansion of pipeline due to temperature changes Reducing the resistance of fluid flow Facilitating smooth opening and closing of a valve Prevention of fluid leakage around moving parts Absorbing the contraction/expansion of pipeline due to temperature changes Reducing the resistance of fluid flow Facilitating smooth opening and closing of a valve Prevention of fluid leakage around moving parts ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio. 2.2 to 2.6 1.6 to 2 1.1 to 1.5 2.7 to 3 2.2 to 2.6 1.6 to 2 1.1 to 1.5 2.7 to 3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to 1 20.8 2 ∞ 1 20.8 2 ∞ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a pressure vessel containing multiple openings of various dimensions at different parts, stress concentration at the edges of the opening is maximum which becomes negligibly small beyond the area covered by __________ times the hole diameter. Twenty Ten Two Five Twenty Ten Two Five ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Safety valves are provided in chemical equipments to guard against excessive Noise Temperature Pressure/pressure fluctuation Turbulence Noise Temperature Pressure/pressure fluctuation Turbulence ANSWER DOWNLOAD EXAMIANS APP
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