Hydraulics & Fluid Mechanics An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is 10.2/m sec 9.75 m/sec² 9.81 m/sec² 10m/sec² 10.2/m sec 9.75 m/sec² 9.81 m/sec² 10m/sec² 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 : 5 1 : 2.5 1 :25 1:50 1 : 5 1 : 2.5 1 :25 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 22.5 M/SEC 40 M/SEC 33 M/SEC 50 M/SEC 22.5 M/SEC 40 M/SEC 33 M/SEC 50 M/SEC ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a floating body to be in stable equilibrium, its metacentre should be below the center of buoyancy between e.g. and center of pressure above the center of buoyancy above the center of gravity. below the center of buoyancy between e.g. and center of pressure above the center of buoyancy above the center of gravity. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Pressure of the order of 10''' torr can be measured by Pirani Gauge Micro-manometer ionisastion gauge Bourdon tube Pirani Gauge Micro-manometer ionisastion gauge Bourdon tube 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 indpendent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number inversely proportional to Reynolds number and directly proportional to pipe wall roughness directly proportional to Reynolds number and independent of pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number inversely proportional to Reynolds number and directly proportional to pipe wall roughness directly proportional to Reynolds number and independent of pipe wall roughness ANSWER DOWNLOAD EXAMIANS APP
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