Process Equipment and Plant Design Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always Both B & C Less than arithmetic mean value More than geometric mean value More than arithmetic mean value Both B & C Less than arithmetic mean value More than geometric mean value More than arithmetic mean value ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm. Three fourth Half One fourth Equal to Three fourth Half One fourth Equal to ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed absorption tower, onset of flooding usually occurs at a pressure drop of about __________ mm of water column per metre height of packing. 50-75 25-50 200-250 750-1000 50-75 25-50 200-250 750-1000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, tube side __________ of the mass velocity. Neither A nor B Pressure drop is proportional to the square Heat transfer co-efficient is proportional to 0.8th power Both A & B Neither A nor B Pressure drop is proportional to the square Heat transfer co-efficient is proportional to 0.8th power Both A & B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The type of stress developed in a metallic bar on subjecting it to a change in temperature without allowing it to be deformed is __________ stress. Tensile Compressive Thermal Shear Tensile Compressive Thermal Shear ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube? Short tube vertical evaporator Long tube vertical evaporator None of these Horizontal tube evaporator Short tube vertical evaporator Long tube vertical evaporator None of these Horizontal tube evaporator ANSWER DOWNLOAD EXAMIANS APP
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