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 : 2.5 1 :25 1 : 5 1:50 1 : 2.5 1 :25 1 : 5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Pressure of the order of 10''' torr can be measured by Bourdon tube ionisastion gauge Micro-manometer Pirani Gauge Bourdon tube ionisastion gauge Micro-manometer Pirani Gauge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Drag force is a function of i) projected area of the body ii) mass density of the fluid iii) velocity of the body The correct answer is (ii) and (iii) (i), (ii) and (iii) (i) and (ii) (i) and (iii) (ii) and (iii) (i), (ii) and (iii) (i) and (ii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The horizontal component of force on a curved surface is equal to the product of pressure intensity at its centroid and area force on the horizontal projection of the curved surface weight of liquid vertically above the curved surface force on a vertical projection of the curved surface product of pressure intensity at its centroid and area force on the horizontal projection of the curved surface weight of liquid vertically above the curved surface force on a vertical projection of the curved surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge over a broad crested weir is maximum when the depth of flow is (where H is the available head) 2 H/3 H/3 H/2 2 H/5 2 H/3 H/3 H/2 2 H/5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In a Sutro weir, the discharge is proportional to (where H is head) H H5/2 H1/2 H3/2 H H5/2 H1/2 H3/2 ANSWER DOWNLOAD EXAMIANS APP
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