Related Questions
What is the correct answer?
4
Ratio of inertia force to elastic force is known as
What is the correct answer?
4
The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly enlarged to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden enlargement is
What is the correct answer?
4
If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be
What is the correct answer?
4
When a tank containing liquid moves with an acceleration in the horizontal direction, then the free surface of the liquid
C. Falls on the front end
What is the correct answer?
4
The sheet of water flowing over a notch or a weir is known as
What is the correct answer?
4
One poise is equal to
What is the correct answer?
4
The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch)
B. (2/3) Cd × b × √(2g) × H
C. (2/3) Cd × b × √(2g) × H3/2
D. (2/3) Cd × b × √(2g) × H2
What is the correct answer?
4
The line of action of the buoyant force acts through the
A. Centroid of the volume of fluid vertically above the body
B. Centre of the volume of floating body
C. Center of gravity of any submerged body
D. Centroid of the displaced volume of fluid
What is the correct answer?
4
Newton's law of viscosity is a relationship between
A. Shear stress and the rate of angular distortion
B. Shear stress and viscosity
C. Shear stress, velocity and viscosity
D. Pressure, velocity and viscosity
What is the correct answer?
4
Viscous force is the __________ of shear stress due to viscosity and cross-section area of flow.
What is the correct answer?
4
The hydraulic mean depth for a circular pipe of diameter (d) is
What is the correct answer?
4
A fluid having no viscosity is known as
What is the correct answer?
4
All the terms of energy in Bernoulli's equation have dimension of
What is the correct answer?
4
The loss of pressure head in case of laminar flow is proportional to
What is the correct answer?
4
The ratio of the inertia force to the __________ is called Euler's number.
What is the correct answer?
4
Which of the following is the unit of kinematic viscosity?
What is the correct answer?
4
A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water?
What is the correct answer?
4
Two dimensional flows occurs when
A. The direction and magnitude of the velocity at all points are identical
B. The velocity of successive fluid particles, at any point, is the same at successive periods of time
C. The magnitude and direction of the velocity do not change from point to point in the fluid
D. The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane
What is the correct answer?
4
When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure
A. Varies as the square of the radial distance
B. Increases linearly as its radial distance
C. Increases as the square of the radial distance
D. Decreases as the square of the radial distance
What is the correct answer?
4
In an isothermal atmosphere, the pressure
A. Decreases linearly with elevation
C. Varies in the same way as the density
D. Increases exponentially with elevation
What is the correct answer?
4
The unit of dynamic viscosity in S.I. units is
What is the correct answer?
4
A flow is called super-sonic if the
A. Velocity of flow is very high
B. Discharge is difficult to measure
C. Mach number is between 1 and 6
What is the correct answer?
4
When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.
What is the correct answer?
4
If the coefficient of discharge is 0.6, then the discharge over a right angled notch is
What is the correct answer?
4
The fluid forces considered in the Navier Stokes equation are
A. Gravity, pressure and viscous
B. Gravity, pressure and turbulent
C. Pressure, viscous and turbulent
D. Gravity, viscous and turbulent
What is the correct answer?
4
The units of dynamic or absolute viscosity are
What is the correct answer?
4
A square surface 3 m × 3 m lies in a vertical line in water pipe its upper edge at water surface. The hydrostatic force on square surface is
What is the correct answer?
4
The mercury does not wet the glass. This is due to the property of the liquid known as
What is the correct answer?
4
The length of the divergent cone in a Venturimeter is __________ that of the convergent cone.
What is the correct answer?
4
Which of the following meters is not associated with viscosity?