Hydraulics & Fluid Mechanics A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ? 1 : 2.5 1:50 1 : 5 1 :25 1 : 2.5 1:50 1 : 5 1 :25 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to 91 PA 9810 PA 1 PA 981 PA 91 PA 9810 PA 1 PA 981 PA ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge over a broad crested weir is maximum when the depth of flow is (where H is the available head) 2 H/5 2 H/3 H/3 H/2 2 H/5 2 H/3 H/3 H/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The increase in meta centric height i) increases stability ii) decreases stability iii) increases comfort for passengers iv) decreases comfort for passengers The correct answer is (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than 6.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient 2.4 m above the hydraulic gradient 5.0 above the hydraulic gradient 6.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient 2.4 m above the hydraulic gradient 5.0 above the hydraulic gradient ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Ay between two stream lines represents velocity pressure discharge head velocity pressure discharge head ANSWER DOWNLOAD EXAMIANS APP