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 At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be could be any value maximum negative value minimum could be any value maximum negative value minimum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The density of water is 1000 kg/m3 at 20°C 4°C 0°C 0°K 20°C 4°C 0°C 0°K ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A fluid is said to be ideal, if it is inviscous inviscous and compressible incompressible inviscous and incompressible inviscous inviscous and compressible incompressible inviscous and incompressible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Select the correct statement Local atmospheric pressure depends upon elevation of locality only Standard atmospheric pressure is the mean local atmospheric pressure a* sea level A barometer reads the difference be-tween local and standard atmospheric pressure Local atmospheric pressure is always below standard atmospheric pressure Local atmospheric pressure depends upon elevation of locality only Standard atmospheric pressure is the mean local atmospheric pressure a* sea level A barometer reads the difference be-tween local and standard atmospheric pressure Local atmospheric pressure is always below standard atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Coefficient of velocity for Borda’s mouth piece running full is 0.611 1.00 0.855 0.707 0.611 1.00 0.855 0.707 ANSWER DOWNLOAD EXAMIANS APP