Hydraulics & Fluid Mechanics An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is 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 10m/sec² 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 If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is 160 less than 1 between 1 and 100 200 160 less than 1 between 1 and 100 200 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 33 M/SEC 40 M/SEC 50 M/SEC 22.5 M/SEC 33 M/SEC 40 M/SEC 50 M/SEC 22.5 M/SEC ANSWER DOWNLOAD EXAMIANS APP
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 ? 1:50 1 : 2.5 1 :25 1 : 5 1:50 1 : 2.5 1 :25 1 : 5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The units of viscosity are metre2/se newton-sec/metre2 kg sec/metre newton-sec/metre metre2/se newton-sec/metre2 kg sec/metre newton-sec/metre ANSWER DOWNLOAD EXAMIANS APP
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