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 :25 1 : 5 1 : 2.5 1:50 1 :25 1 : 5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Two pipe systems are said to be equivalent when friction factor and length are same in two systems head loss and discharge are same in two systems length and diameter are same in two systems length of pipe and discharge are same in two systems friction factor and length are same in two systems head loss and discharge are same in two systems length and diameter are same in two systems length of pipe and discharge are same in two systems ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Which of the following instrument can be used for measuring speed of an aeroplane rotameter Venturimeter pitot tube Orifice plate rotameter Venturimeter pitot tube Orifice plate ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the force of cohesion force of diffusion force of friction force of adhesion force of cohesion force of diffusion force of friction force of adhesion 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 NOT PREDICTABLE FROM THE GIVEN DATA LAMINAR FLOW TURBULENT FLOW TRANSITION FLOW NOT PREDICTABLE FROM THE GIVEN DATA LAMINAR FLOW TURBULENT FLOW TRANSITION FLOW ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Coefficient of velocity for Borda’s mouth piece running full is 0.855 0.707 1.00 0.611 0.855 0.707 1.00 0.611 ANSWER DOWNLOAD EXAMIANS APP