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 (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is (where R is the radius of pipe) 3/4 R 1/2 R 1/3 R 2/3 R 3/4 R 1/2 R 1/3 R 2/3 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics SURFACE TENSION HAS THE UNITS OF NEWTONS/M NETON/M NEW TONS/M NEWTONS NEWTONS/M NETON/M NEW TONS/M NEWTONS ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge of a liquid of kinematic viscosity 4 cm²/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is TRANSITION FLOW LAMINAR FLOW NOT PREDICTABLE FROM THE GIVEN DATA TURBULENT FLOW TRANSITION FLOW LAMINAR FLOW NOT PREDICTABLE FROM THE GIVEN DATA TURBULENT FLOW ANSWER DOWNLOAD EXAMIANS APP
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 continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.) steady flow incompressible flow uniform flow frictionless flow steady flow incompressible flow uniform flow frictionless flow ANSWER DOWNLOAD EXAMIANS APP