Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. None of these Increase by 1.8 Increase by 21.6 Decrease by 22 None of these Increase by 1.8 Increase by 21.6 Decrease by 22 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around 0.5 2.5 1.5 3.5 0.5 2.5 1.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a continuous distillation column, increase in reflux ratio may result in the Greater cost for the condenser coolant Greater cost for the reboiler heat supply Lower fixed charges for the column All of these Greater cost for the condenser coolant Greater cost for the reboiler heat supply Lower fixed charges for the column All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness. 10 to 20 40 to 50 30 to 40 1 to 5 10 to 20 40 to 50 30 to 40 1 to 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Thin spherical shells subjected to internal pressure, develop __________ stresses. Both A & B Radial Circumferential Neither A nor B Both A & B Radial Circumferential Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of __________ times the paddle diameter. 0.3 to 0.5 0.1 to 0.25 0.65 to 0.80 0.5 to 0.6 0.3 to 0.5 0.1 to 0.25 0.65 to 0.80 0.5 to 0.6 ANSWER DOWNLOAD EXAMIANS APP