Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Square of fan speed Square root of fan speed Cube of fan speed Directly as fan speed Square of fan speed Square root of fan speed Cube of fan speed Directly as fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of the liquid __________ with rise in temperature. Decreases Remain unaffected None of these Increases Decreases Remain unaffected None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A balloon lifting in air follows the following principle All of these Archimedes principle law of gravitation principle of buoyancy All of these Archimedes principle law of gravitation principle of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which Develops unit power under unit head Develops unit power under unit speed Delivers unit discharge under unit speed Delivers unit discharge under unit head Develops unit power under unit head Develops unit power under unit speed Delivers unit discharge under unit speed Delivers unit discharge under unit head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid) 4μvl/wd² 8μvl/wd² 16μvl/wd² 32μvl/wd² 4μvl/wd² 8μvl/wd² 16μvl/wd² 32μvl/wd² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The normal stress in a fluid will be constant in all directions at a point only if It is incompressible It has uniform viscosity It is at rest It has zero viscosity It is incompressible It has uniform viscosity It is at rest It has zero viscosity ANSWER DOWNLOAD EXAMIANS APP
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