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 : 2.5 1 : 5 1:50 1 :25 1 : 2.5 1 : 5 1:50 1 :25 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The flow which neglects changes in a transverse direction is known as turbulent flow uniform flow one dimensional flow steady flow turbulent flow uniform flow one dimensional flow steady flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is 1/4 1/2 1/3 2/3 1/4 1/2 1/3 2/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is at the centroid of the submerged area always below the centroid of the area None of these always above the centroid of the area at the centroid of the submerged area always below the centroid of the area None of these always above the centroid of the area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Which of the following instrument can be used for measuring speed of an aeroplane pitot tube Orifice plate Venturimeter rotameter pitot tube Orifice plate Venturimeter rotameter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Select the correct statement Local atmospheric pressure is always below standard atmospheric pressure A barometer reads the difference be-tween local and standard atmospheric pressure Standard atmospheric pressure is the mean local atmospheric pressure a* sea level Local atmospheric pressure depends upon elevation of locality only Local atmospheric pressure is always below standard atmospheric pressure A barometer reads the difference be-tween local and standard atmospheric pressure Standard atmospheric pressure is the mean local atmospheric pressure a* sea level Local atmospheric pressure depends upon elevation of locality only ANSWER DOWNLOAD EXAMIANS APP
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