Q.1
The discharge through a V- notch varies as
Q.2
The units of viscosity are
Q.3
Operation of McLeod gauge used for low pressure measurement is based on the principle of
Q.4
The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to
Q.5
Which of the following is demensionless
Q.6
A large Roynold number is indication of
Q.7
Separation of flow occurs when
Q.8
Two dimensional flow occurs when
Q.9
Ay between two stream lines represents
Q.10
The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.)
Q.11
The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is
Q.12
If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is
Q.13
When a body floating in a liquid, is displaced slightly, it oscillates about
Q.14
Uniform flow occurs when
Q.15
Surface tension has the units of
Q.16
The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is
Q.17
Thee horizontal component of buoyant force is
Q.18
Normal depth in open channel flow is the depth of flow corresponding to
Q.19
Choose the wrong statement
Q.20
When an ideal fluid flows past a sphere
Q.21
The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to
Q.22
A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of
Q.23
An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is
Q.24
In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is
Q.25
According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to
Q.26
Metacentric height is given as the distance between
Q.27
The theoretical value of coefficient of contraction of a sharp edged orifice is
Q.28
Coefficient of velocity of venturimeter
Q.29
A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ?
Q.30
The region between the separation streamline and the boundary surface of the solid body is known as
0 h : 0 m : 1 s