Process Equipment and Plant Design A stuffing box is used for Absorbing the contraction/expansion of pipeline due to temperature changes Prevention of fluid leakage around moving parts Reducing the resistance of fluid flow Facilitating smooth opening and closing of a valve Absorbing the contraction/expansion of pipeline due to temperature changes Prevention of fluid leakage around moving parts Reducing the resistance of fluid flow Facilitating smooth opening and closing of a valve ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of __________ type. Ring plate Nozzle or rim Fluid in Flared out Ring plate Nozzle or rim Fluid in Flared out ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The longitudinal stress induced in a thin walled cylinderical vessel under internal pressure is pd/2t pd/4t pd/8t pd/t pd/2t pd/4t pd/8t pd/t 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. Working Damaging None of these Allowable Working Damaging None of these Allowable ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The normal range of velocity of steam in pipes is __________ m/sec. 10-20 80-100 0.1-0.5 1-5 10-20 80-100 0.1-0.5 1-5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by 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 Di, opt = 3.9 Q0.45 . ρ0.23 Di, opt = 3 Q0.36 ρ0.18 Di, opt = 3 Q0.36 . ρ1.86 μ0.08 ANSWER DOWNLOAD EXAMIANS APP
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