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 10m/sec² 9.81 m/sec² 9.75 m/sec² 10.2/m sec 10m/sec² 9.81 m/sec² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Steady flow occurs when the direction and magnitude of the velocity at all points are identical the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the magnitude and direction of the velocity do not change from point to point in the fluid the direction and magnitude of the velocity at all points are identical the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the magnitude and direction of the velocity do not change from point to point in the fluid 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 : 5 1 :25 1:50 1 : 2.5 1 : 5 1 :25 1:50 1 : 2.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? a cylinder a circular disc or plate held normal to flow a sphere an airfoil a cylinder a circular disc or plate held normal to flow a sphere an airfoil ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The normal stress is same in all directions at a point in a fluid irrespective of the motion of one fluid layer relative to an adjacent layer only when the fluid is frictionless When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is incompressible and has zero viscosity irrespective of the motion of one fluid layer relative to an adjacent layer only when the fluid is frictionless When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is incompressible and has zero viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Pressure of the order of 10''' torr can be measured by Micro-manometer Pirani Gauge ionisastion gauge Bourdon tube Micro-manometer Pirani Gauge ionisastion gauge Bourdon tube ANSWER DOWNLOAD EXAMIANS APP
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