Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of viscosity cohesion friction surface tension viscosity cohesion friction surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is inversely proportional to Reynolds number and directly proportional to pipe wall roughness directly proportional to Reynolds number and independent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number inversely proportional to Reynolds number and indpendent of pipe wall roughness inversely proportional to Reynolds number and directly proportional to pipe wall roughness directly proportional to Reynolds number and independent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number inversely proportional to Reynolds number and indpendent of pipe wall roughness ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Operation of McLeod gauge used for low pressure measurement is based on the principle of Pascal’s law Charle’s law gas law Boyle’s law Pascal’s law Charle’s law gas law Boyle’s law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ? 10 m/sec 50 m/sec 25 m/sec 2 m/sec 10 m/sec 50 m/sec 25 m/sec 2 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Uniform flow occurs when the flow is streamline the flow is steady size and cross section change uniformly along length size and shape of the cross section in a particular length remain constant the flow is streamline the flow is steady size and cross section change uniformly along length size and shape of the cross section in a particular length remain constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The increase in meta centric height i) increases stability ii) decreases stability iii) increases comfort for passengers iv) decreases comfort for passengers The correct answer is (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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