Process Equipment and Plant Design For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by Di, opt = 3.9 Q0.45 . ρ0.23 Di, opt = 3 Q0.36 ρ0.18 Di, opt = 3 Q0.36 . ρ1.86 μ0.08 Di, opt = 7.6 Q0.36 . ρ0.9 Di, opt = 3.9 Q0.45 . ρ0.23 Di, opt = 3 Q0.36 ρ0.18 Di, opt = 3 Q0.36 . ρ1.86 μ0.08 Di, opt = 7.6 Q0.36 . ρ0.9 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following lengths of heat exchanger tubes are normally not used in practice? 0.5 metre 10 metres 6 metres 2.5 metres 0.5 metre 10 metres 6 metres 2.5 metres ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by 4(0.86p² - πd²)/πd (4p² - πd²/4)/πd (p² - πd²/4)/πd 4(0.86p² - πd²/4)/πd 4(0.86p² - πd²)/πd (4p² - πd²/4)/πd (p² - πd²/4)/πd 4(0.86p² - πd²/4)/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress. Allowable None of these Damaging Working Allowable None of these Damaging Working ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A certain pressure vessel manufacturer avoids doing reinforcements calculations for openings by always providing a reinforcing pad extending upto double the diameter of the opening and of the same material and thickness as that of the shell wall. If area compensation is accepted as a code guideline, his approach leads to safe design Only if the opening is on a vertical cylinderical vessel Only if the opening is on spherical vessel Irrespective of the shape of the vessel Only if the opening is on a horizontal cylinderical vessel Only if the opening is on a vertical cylinderical vessel Only if the opening is on spherical vessel Irrespective of the shape of the vessel Only if the opening is on a horizontal cylinderical vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The distance between the centre of a rivet hole to the nearest edge of the plate is called None of these Pitch Back pitch Margin None of these Pitch Back pitch Margin ANSWER DOWNLOAD EXAMIANS APP
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