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 :25 1:50 1 : 5 1 : 2.5 1 :25 1:50 1 : 5 1 : 2.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will increase/decrease depending on depth of immersion increase remain same decrease increase/decrease depending on depth of immersion increase remain same decrease ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics When a body floating in a liquid, is displaced slightly, it oscillates about metacentre center of pressure center of buoyancy e.g. of body metacentre center of pressure center of buoyancy e.g. of body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Separation of flow occurs when the cross-section of a channel is reduced All of these the boundary layer comes to rest the pressure intensity reaches a minimum the cross-section of a channel is reduced All of these the boundary layer comes to rest the pressure intensity reaches a minimum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Operation of McLeod gauge used for low pressure measurement is based on the principle of Boyle’s law Charle’s law Pascal’s law gas law Boyle’s law Charle’s law Pascal’s law gas law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Coefficient of velocity for Borda’s mouth piece running full is 1.00 0.855 0.707 0.611 1.00 0.855 0.707 0.611 ANSWER DOWNLOAD EXAMIANS APP
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