Process Equipment and Plant Design Friction factor for turbulent flow in a new pipe is given by f = 0.22 NRe0.05 f = 25/NRe f = 0.04/NRe0.16 f = 16/NRe f = 0.22 NRe0.05 f = 25/NRe f = 0.04/NRe0.16 f = 16/NRe ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8"). 1.5 times Equal to Three fourth Half 1.5 times Equal to Three fourth Half ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The buckling tendency of compression members is always in the direction of the None of these Perpendicular to the axis of the load Least radius of gyration Axis of the load None of these Perpendicular to the axis of the load Least radius of gyration Axis of the load 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 Both A & B Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Neither A nor B Economic limit reached, when the plant cost exceeds the saving of steam Both A & B Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Neither A nor B Economic limit reached, when the plant cost exceeds the saving of steam ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles? To reduce the induced vibration in the tubes To provide support to the tube bundle To increase the tube side heat transfer co-efficient by inducing turbulence To increase the residence time of shell side fluid To reduce the induced vibration in the tubes To provide support to the tube bundle To increase the tube side heat transfer co-efficient by inducing turbulence To increase the residence time of shell side fluid ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line) S₂/S₁ S₁.S₂ S₁/S₂ 1/S₁.S₂ S₂/S₁ S₁.S₂ S₁/S₂ 1/S₁.S₂ ANSWER DOWNLOAD EXAMIANS APP