Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of 20.2 20.8 2 None of these 20.2 20.8 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lug support is The most suitable for thick vertical vessel Provided usually for vessels of much smaller height than skirt supported vessels Same as bracket support All of these The most suitable for thick vertical vessel Provided usually for vessels of much smaller height than skirt supported vessels Same as bracket support All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Cylindrical pressure vessels in horizontal condition is generally supported on a __________ support. Lug Skirt Saddle Guy wire Lug Skirt Saddle Guy wire ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter. Equal to 2 ft irrespective of (for column > 3 ft diameter) Twice 0.6-0.8 times Equal to 2 ft irrespective of (for column > 3 ft diameter) Twice 0.6-0.8 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Back-trapping in a distillation column results due to High gas velocity Excessive liquid gradient over the tray Low gas velocity Low reflux ratio High gas velocity Excessive liquid gradient over the tray Low gas velocity Low reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by σh = σL σh = σL/2 σh = 2 σL No relation exists σh = σL σh = σL/2 σh = 2 σL No relation exists ANSWER DOWNLOAD EXAMIANS APP
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