Process Equipment and Plant Design Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as D = 3√t D = 1.6 √t D = 1.1 t D = 1.5 t D = 3√t D = 1.6 √t D = 1.1 t D = 1.5 t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends. Either B or C; depends on maximum permissible internal pressure Equal to Less than More than Either B or C; depends on maximum permissible internal pressure Equal to Less than More than ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 2.5 12.5 5 17.5 2.5 12.5 5 17.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by (ph - dt)/ph (ph - dh . dt/2)/ph (ph - dh)/dh (ph - dh)/ph (ph - dt)/ph (ph - dh . dt/2)/ph (ph - dh)/dh (ph - dh)/ph ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Normal screwed fittings are used for pipes upto a diameter of __________ inches. 3 5 7 1.5 3 5 7 1.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Hold up of material in a operating rotary drier is in the range of 0.05 to 0.15 0.5 to 0.8 0.25 to 0.50 0.8 to 0.9 0.05 to 0.15 0.5 to 0.8 0.25 to 0.50 0.8 to 0.9 ANSWER DOWNLOAD EXAMIANS APP