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 :25 1 : 5 1:50 1 : 2.5 1 :25 1 : 5 1:50 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The density of water is 1000 kg/m3 at 20°C 0°C 4°C 0°K 20°C 0°C 4°C 0°K 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 1/2 1/3 1/4 2/3 1/2 1/3 1/4 2/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Pressure of the order of 10''' torr can be measured by Pirani Gauge ionisastion gauge Micro-manometer Bourdon tube Pirani Gauge ionisastion gauge Micro-manometer Bourdon tube ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The difference of pressure between the inside and outside of a liquid drop is (a)p = Txr (d)p = 2T/r (b)p = T/r p = T/2r (a)p = Txr (d)p = 2T/r (b)p = T/r p = T/2r ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow velocity and pressure are inversely proportional the energy is constant along a stream-line but may vary across streamlines total energy is constant throughout principle of conservation of mass holds velocity and pressure are inversely proportional the energy is constant along a stream-line but may vary across streamlines total energy is constant throughout principle of conservation of mass holds ANSWER DOWNLOAD EXAMIANS APP
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