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 Which of the following instrument can be used for measuring speed of an aeroplane Venturimeter rotameter Orifice plate pitot tube Venturimeter rotameter Orifice plate pitot tube ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Flow at constant rate through a tapering pipe is i) steady flow ii) uniform flow iii) unsteady flow iv) non-uniform flow The correct answer is (i) and (ii) (i)and(iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i)and(iv) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to more than the weight of the body less than the weight of the body the weight of the body weight of the fluid displaced by the body more than the weight of the body less than the weight of the body the weight of the body weight of the fluid displaced by the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A large Roynold number is indication of turbulent flow LAMINAR FLOW smooth and streamline flow highly turbulent flow. turbulent flow LAMINAR FLOW smooth and streamline flow highly turbulent flow. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Separation of flow occurs when All of these the boundary layer comes to rest the cross-section of a channel is reduced the pressure intensity reaches a minimum All of these the boundary layer comes to rest the cross-section of a channel is reduced the pressure intensity reaches a minimum ANSWER DOWNLOAD EXAMIANS APP
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