Process Equipment and Plant Design What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers? 6.5 mm Equal to tube O.D 6.5 cms Equal to tube I.D 6.5 mm Equal to tube O.D 6.5 cms Equal to tube I.D ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ dished head is the strongest of all. None of these Torispherical Hemispherical Elliptical None of these Torispherical Hemispherical Elliptical ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Circumferential (hoop) stress in a thin cylindrical vessel under internal pressure is __________ the longitudinal stress. Equal to Eight times Twice Half Equal to Eight times Twice Half ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps. 1.5 to 3 1.3 to 2 2.5 1.6 to 2 1.5 to 3 1.3 to 2 2.5 1.6 to 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Both A & B Economic limit reached, when the plant cost exceeds the saving of steam Neither A nor B Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Both A & B Economic limit reached, when the plant cost exceeds the saving of steam Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger Facilitates comparatively easier external cleaning because of large clearance Permits the use of less tubes in a given shell diameter Both B and C Permits the use of more tubes in a given shell diameter Facilitates comparatively easier external cleaning because of large clearance Permits the use of less tubes in a given shell diameter Both B and C Permits the use of more tubes in a given shell diameter ANSWER DOWNLOAD EXAMIANS APP