Hydraulics and Fluid Mechanics in ME When an ideal fluid flows past a sphere total drag is zero lowest pressure intensity occurs at front stagnation point lowest pressure intensity occurs at rear stagnation point highest intensity of pressure occurs around the circumference at right angles to flow total drag is zero lowest pressure intensity occurs at front stagnation point lowest pressure intensity occurs at rear stagnation point highest intensity of pressure occurs around the circumference at right angles to flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A closed tank containing water is moving in a horizontal direction along a straight line at a constant speed. The tank also contains a steel ball and a bubble of air. If the tank is decelerated horizontally, theni) the ball will move to the frontii) the bubble will move to the frontiii) the ball will move to the reariv) the bubble will move to the rear Find out which of the above statements are correct ? (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An orifice is said to be large, if The available head of liquid is more than 5 times the height of orifice The velocity of flow is large The available head of liquid is less than 5 times the height of orifice The size of orifice is large The available head of liquid is more than 5 times the height of orifice The velocity of flow is large The available head of liquid is less than 5 times the height of orifice The size of orifice is large ANSWER DOWNLOAD EXAMIANS APP
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 1.5 m3/s 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm² and a volume of 0.039 m3 at 150 kg/cm². The bulk modulus of elasticity of liquid is 40 × 10⁵ kg/cm² 40 × 10⁶ kg/cm² 4000 kg/cm² 400 kg/cm² 40 × 10⁵ kg/cm² 40 × 10⁶ kg/cm² 4000 kg/cm² 400 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio of Francis turbine is defined as the ratio of the None of these Theoretical velocity of jet to the velocity of flow at inlet Velocity of flow at inlet to the theoretical jet velocity Velocity of runner at inlet to the velocity of flow at inlet None of these Theoretical velocity of jet to the velocity of flow at inlet Velocity of flow at inlet to the theoretical jet velocity Velocity of runner at inlet to the velocity of flow at inlet ANSWER DOWNLOAD EXAMIANS APP
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