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 weight of the fluid displaced by the body the weight of the body less than the weight of the body more than the weight of the body weight of the fluid displaced by the body the weight of the body less than the weight of the body more than the weight of the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Fluid is a substance that cannot remain at rest under action of any shear force always expands until it fills any container cannot be subjected to shear forces has the same shear stress.at a point regardless of its motion cannot remain at rest under action of any shear force always expands until it fills any container cannot be subjected to shear forces has the same shear stress.at a point regardless of its motion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of cohesion friction viscosity surface tension cohesion friction viscosity surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The surface tension of mercury at normal temperature compared to that of water is same less more more or less depending on size of glass tube same less more more or less depending on size of glass tube 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 decrease increase/decrease depending on depth of immersion increase remain same decrease increase/decrease depending on depth of immersion increase remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Drag force is a function of i) projected area of the body ii) mass density of the fluid iii) velocity of the body The correct answer is (ii) and (iii) (i) and (ii) (i) and (iii) (i), (ii) and (iii) (ii) and (iii) (i) and (ii) (i) and (iii) (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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