Hydraulics and Fluid Mechanics in ME The upper surface of a weir over which water flows is known is sill crest weir top nappe sill crest weir top nappe ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the pressure varies Cube of fan speed Directly as fan speed Square of fan speed Square root of fan speed Cube of fan speed Directly as fan speed Square of fan speed Square root of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum efficiency of transmission through a pipe is 0.6667 0.7666 0.567 0.5 0.6667 0.7666 0.567 0.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Designing new impeller Trimming the impeller size to the required size by machining Not possible Some other alterations in the impeller Designing new impeller Trimming the impeller size to the required size by machining Not possible Some other alterations in the impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) √(2gh) 2gH H × √(2g) 2g × √H √(2gh) 2gH H × √(2g) 2g × √H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centrifugal pump is started with its delivery valve Kept 50% open Irrespective of any position Kept fully open Kept fully closed Kept 50% open Irrespective of any position Kept fully open Kept fully closed ANSWER DOWNLOAD EXAMIANS APP