Hydraulics and Fluid Mechanics in ME A balloon lifting in air follows the following principle Archimedes principle All of these law of gravitation principle of buoyancy Archimedes principle All of these law of gravitation principle of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a collar bearing is (where R1 and R2 = External and internal radius of collar) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁⁴ - R₂⁴) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁⁴ - R₂⁴) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁ - R₂) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid) wH/2 wH2/2 wH2/3 wH wH/2 wH2/2 wH2/3 wH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mercury does not wet the glass. This is due to the property of the liquid known as Cohesion Surface tension Adhesion Viscosity Cohesion Surface tension Adhesion Viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A fluid of kinematic viscosity 0.4 cm²/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be less than 1 m/sec 1 m/sec 1.5 m/sec 2 m/sec less than 1 m/sec 1 m/sec 1.5 m/sec 2 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressures is called Positive gauge pressure Vacuum pressure Absolute pressure Gauge pressure Positive gauge pressure Vacuum pressure Absolute pressure Gauge pressure ANSWER DOWNLOAD EXAMIANS APP
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