Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.707 D 0.577 D 0.423 D 0.223 D 0.707 D 0.577 D 0.423 D 0.223 D ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow rate in gear pump Decreases with increase in pressure More or less remains constant with increase in pressure Unpredictable Increases with increase in pressure Decreases with increase in pressure More or less remains constant with increase in pressure Unpredictable Increases with increase in pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be Horizontal Steep Nearly horizontal First rise and then fall Horizontal Steep Nearly horizontal First rise and then fall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Venturimeter is used to Measure the velocity of a flowing liquid Measure the pressure difference of liquid flowing between two points in a pipe line Measure the discharge of liquid flowing in a pipe Measure the pressure of a flowing liquid Measure the velocity of a flowing liquid Measure the pressure difference of liquid flowing between two points in a pipe line Measure the discharge of liquid flowing in a pipe Measure the pressure of a flowing liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc 100 kg 10 kg 1000 kg 1 kg 100 kg 10 kg 1000 kg 1 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to empty the tank completely will be (2AH₁²)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) ANSWER DOWNLOAD EXAMIANS APP
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