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 Nearly horizontal Steep First rise and then fall Horizontal Nearly horizontal Steep First rise and then fall Horizontal 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 4000 kg/cm² 40 × 10⁵ kg/cm² 400 kg/cm² 40 × 10⁶ kg/cm² 4000 kg/cm² 40 × 10⁵ kg/cm² 400 kg/cm² 40 × 10⁶ kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × bH₁ × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to Twice the breadth Half the breadth Twice the depth Half the depth Twice the breadth Half the breadth Twice the depth Half the depth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following hydraulic unit is used for transmitting increased or decreased torque to the driven shaft? Hydraulic ram Hydraulic torque converter Hydraulic intensifier Hydraulic accumulator Hydraulic ram Hydraulic torque converter Hydraulic intensifier Hydraulic accumulator 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 Not possible Some other alterations in the impeller Trimming the impeller size to the required size by machining Designing new impeller Not possible Some other alterations in the impeller Trimming the impeller size to the required size by machining ANSWER DOWNLOAD EXAMIANS APP
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