For a floating body to be in stable equilibrium, its metacentre should be above the center of buoyancy between e.g. and center of pressure above the center of gravity. below the center of buoyancy TRUE ANSWER : ? YOUR ANSWER : ?
Pressure of the order of 10''' torr can be measured by Pirani Gauge ionisastion gauge Bourdon tube Micro-manometer TRUE ANSWER : ? YOUR ANSWER : ?
The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is None of these always above the centroid of the area always below the centroid of the area at the centroid of the submerged area TRUE ANSWER : ? YOUR ANSWER : ?
The region between the separation streamline and the boundary surface of the solid body is known as lift wake drag boundary layer TRUE ANSWER : ? YOUR ANSWER : ?
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 10m/sec² 9.81 m/sec² 9.75 m/sec² TRUE ANSWER : ? YOUR ANSWER : ?
To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than 6.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient 5.0 above the hydraulic gradient 2.4 m above the hydraulic gradient TRUE ANSWER : ? YOUR ANSWER : ?
A large Roynold number is indication of turbulent flow LAMINAR FLOW highly turbulent flow. smooth and streamline flow TRUE ANSWER : ? YOUR ANSWER : ?
The discharge of a liquid of kinematic viscosity 4 cm²/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is TURBULENT FLOW TRANSITION FLOW NOT PREDICTABLE FROM THE GIVEN DATA LAMINAR FLOW TRUE ANSWER : ? YOUR ANSWER : ?
Operation of McLeod gauge used for low pressure measurement is based on the principle of Charle’s law gas law Pascal’s law Boyle’s law TRUE ANSWER : ? YOUR ANSWER : ?
The difference of pressure between the inside and outside of a liquid drop is (b)p = T/r (d)p = 2T/r p = T/2r (a)p = Txr TRUE ANSWER : ? YOUR ANSWER : ?