Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of friction cohesion viscosity surface tension friction cohesion viscosity surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow total energy is constant throughout the energy is constant along a stream-line but may vary across streamlines velocity and pressure are inversely proportional principle of conservation of mass holds total energy is constant throughout the energy is constant along a stream-line but may vary across streamlines velocity and pressure are inversely proportional principle of conservation of mass holds 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) H/3 2 H/3 H/2 2 H/5 H/3 2 H/3 H/2 2 H/5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is 50 M/SEC 22.5 M/SEC 40 M/SEC 33 M/SEC 50 M/SEC 22.5 M/SEC 40 M/SEC 33 M/SEC ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A perfect gas is incompressible None of these has constant viscosity is of theoretical interest is incompressible None of these has constant viscosity is of theoretical interest ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is 10m/sec² 9.75 m/sec² 10.2/m sec 9.81 m/sec² 10m/sec² 9.75 m/sec² 10.2/m sec 9.81 m/sec² ANSWER DOWNLOAD EXAMIANS APP
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