Welcome to your Hydraulics & Fluid Mechanics Mock test - 5
Take an exciting test in Hydraulics/Fluid Mechanics
You have only 20 mins to complete the test (25 Questions)
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1) The most efficient section of a channel is
2) The specific weight of water in S.I. units is taken as
3) When the Mach number is less than unity, the flow is called
4) The body will float if the force of buoyancy is __________ the weight of the liquid displaced.
5) A fluid having no viscosity is known as
6) A flow whose streamline is represented by a straight line, is called __________ dimensional flow.
7) In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be
8) If the coefficient of discharge is 0.6, then the discharge over a right angled notch is
9) Bulk modulus of a fluid __________ as the pressure increases.
10) An open tank containing liquid is moving with an acceleration on an inclined plane. The inclination of the free surface of the liquid will be __________ to the acceleration of the tank.
11) Center of pressure on an inclined plane is
12) A structure, whose width is __________ the width of the channel, is called a flumed structure.
13) The specific gravity of an oil whose specific weight is 7.85 kN/m3, is
14) The process of diffusion of one liquid into the other through a semi permeable membrane is called
15) Liquids transmit pressure equally in all the directions. This is according to
16) The discharge over a triangular notch is
17) Falling drops of water become spheres due to the property of
18) The velocity corresponding to Reynold number of 2000 is called
19) The density of water is 1000 kg/m3 at
20) One stoke is equal to
21) The coefficient of discharge for an external mouthpiece is
22) Which of the following meters is not associated with viscosity?
23) When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressures is called
24) The force of buoyancy is always __________ the weight of the liquid displaced by the body.
25) A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a