Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit discharge of wheel is 2.5 m3/s 0.25 m3/s 0.5 m3/s 1.5 m3/s 2.5 m3/s 0.25 m3/s 0.5 m3/s 1.5 m3/s ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The wake is a region of high pressure intensity always occurs after a separation point None of these always occurs before a separation point is a region of high pressure intensity always occurs after a separation point None of these always occurs before a separation point ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The center of gravity of the volume of the liquid displaced by an immersed body is called metacentre center of buoyancy center of pressure center of gravity metacentre center of buoyancy center of pressure center of gravity 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 Some other alterations in the impeller Designing new impeller Not possible Trimming the impeller size to the required size by machining Some other alterations in the impeller Designing new impeller Not possible Trimming the impeller size to the required size by machining ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of resistance is the ratio of Loss of head in the orifice to the head of water available at the exit of the orifice Actual discharge through an orifice to the theoretical discharge Actual velocity of jet at vena-contracta to the theoretical velocity Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual discharge through an orifice to the theoretical discharge Actual velocity of jet at vena-contracta to the theoretical velocity Area of jet at vena-contracta to the area of orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Impulse turbine is generally fitted At the level of tail race Slightly below the tail race Little above the tail race About 2.5 m above the tail race to avoid cavitations At the level of tail race Slightly below the tail race Little above the tail race About 2.5 m above the tail race to avoid cavitations ANSWER DOWNLOAD EXAMIANS APP
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