TERMS

One of the following foundation conditions does not affect foundation settlement

The fraction of soil passing which sieve number is used for Atterberg Limits tests of soils

A line joining the points of elevation of water in a series of vertical open pipes rising from a pipeline in which water flows under pressure is referred to as

When the path of lines of the individual particles of flowing liquid are irregular curves and continually cross each other and form a complicated network, the flow is called _______.

Which of the following is not a component of the soil mass

An ideal liquid has the characteristics of

The force of attraction between particles of the same materials

Density of water is maximum at

Property of a fluid by which its own molecules are attracted is called ________.

Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called __________.

The normal stress in a fluid will be constant in all directions at a point only if _________.

A manometer is a device used to measure:

Specific weight of sea water is more that of pure water because it contains

Free surface of a liquid tends to contract to the smallest possible area due to force of

If the ground water table in the soil formation rises as a resulting of flooding, the bearing capacity of the soil

A liguid would wet the solid, if adhesion forces as compared to cohesion forces are

Barometer is used to measure

Manometer is used to measure

If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be

When a fluid is subjected to resistance, it undergoes a volumetric change due to

One of the following foundation conditions does not affect the bearing capacity of the supporting soil

Liquids transmit pressure equally in all the directions. This is according to ________.

What is the largest grain that passes a no. 200 sieve in millimeter?

The rise or depression of liquid in a tube due to surface tension with an increase in size of tube will ________.

Section 302.2.2 of the National Structural Code of the Philippines provides that the slope of cut surfaces of the ground shall be no steeper than is safe for the intended use and shall be no steeper that:

Mercury is often used in barometer because

In a rotating vessel containing water, what is the relationship between the height of the rise at the sides and the depth of the depression at the center?

The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as

Which of the following is the correct relation between centroid (cg) and the center of pressure (cp) of a plane submerged in a liquid?

The fraction of soils passing which sieve number is used for Atterberg Limits tests of soils

The total pressure force on a plane area
is equal to the area multiplied by the
intensity of pressure at the centroid, if

In open channel flow, which cross-sectional shape is considered the most hydraulically efficient for a given flow area?

Choose the wrong statement

Center of pressure on an inclined plane is

Minor losses through valves, fittings, bends, contractions etc. are commonly
modeled as proportional to:

Which term best describes a flow where the average velocity remains constant along its complete length?

The best hydraulic cross section for a trapezoidal channel of base width b is one for which the length of the side edge of the flow section is:

Can center of pressure for a vertical plane submerged surface be ever be above center of gravity?

In a vertically submerged plane surface, pressure at every point remains same.

For an inclined plate the pressure intensity at every point differs.

When the path lines of the individual particles of a flowing liquid are irregular curves and continually cross each other and form a complicated network, the flow is called:

The magnitude of total pressure and center of pressure is independent on the shape of the submerged plane surface.

What is the variation of total pressure with depth for any submerged surface if we neglect variation in the density?

The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to ___________.

Type of flow where the flow rate does not change over time.

Uninterrupted flow in a fluid near a solid boundary in which the direction of flow at every point remains constant:

Type of flow where the flow rate does not change over time.

The resultant upward pressure of the fluid on an immersed body is called

Type of flow where at any time, the discharge or flow rate at every section of the stream is the same.

Type of flow in which, for a fixed rate of flow, the specific energy is minimum.

Type of flow where the mean velocity of flow for a given length or reach is the same at every cross section.

Type of flow in which the density of the fluid is constant from one point to another.

What is the principal cause of action of buoyant force on a body submerged partially or fully in fluid?

Type of flow in which the fluid particles rotate about their own axis while flowing along the streamlines.

The center of gravity of the volume of the liquid displaced by an immersed body is called

Uninterrupted flow in a fluid near a solid boundary in which the direction of flow at every point remains constant

Type of flow where at any time, the discharge or flow rate at every section of the stream is the same.

The horizontal component of buoyant force is

The line of action of the buoyant force acts through the

Choose the wrong statement

According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to

How can relatively denser object be made to float on the less dense fluid?

The conditions for the stable equilibrium of a floating body are

Metacentric height is given as the distance between

Metacenter is the point of intersection of

When a body floating in a liquid, is displaced slightly, it oscillates about

When the ship’s metacenter and center of gravity coincide at same point then the vessel is said to be in

Energy gradient line takes into consideration

Hydraulic gradient line takes into consideration

Which of the following is true?

Which of the following is true?

The vertical intercept between EGL and HGL is equal to

The slope of HGL will be

Equation of continuity is based on the principle of conservation of

Bernoulli’s equation deals with the law of conservation of

All the terms of energy in Bernoulli’s equation have dimension of

The losses of energy in pipes due to

The major loss of energy in long pipes is due to

Which one of the following is a major loss?

Minor losses occur due to

Minor losses do not make any serious
effect in

In series — pipe problems

Which of the following conditions is valid in the case of flow through parallel pipes?

Two pipe systems are said to be equivalent when

The ratio of absolute viscosity to mass density is known as

The magnitude of water hammer effect in a pipe depends on

The phenomenon of water hammer takes place in pipes

Water hammer pressure can be considerably reduced using

The ratio of inertia force and gravitational force is called as ________.

Which geometric parameter determines the efficiency of the channel?

For a channel to be economic which
of the following parameters should
be minimum?

What is the depth of flow in case most economical circular section considering maximum velocity?

Differential manometer is used to
measure

Non uniform flow occurs when

When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface.

The tendency of a liquid surface to contract is due to the following property

The pressure measured with the help of a pressure gauge is called _______.

Capillary action is due to the ________.

The intensity of pressure on an immersed surface with the increase in depth

Free surface of a liquid behaves like, a sheet and tends to contract to smallest possible area due to the __________.

The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the

The rise of the liquid along the walls of a revolving cylinder above the initial level, is

A pressure surge or wave caused when a fluid in motion is forced to stop or change direction suddenly (momentum change) is referred to in hydraulics as:

A type of shock where the flow undergoes a sudden transition from swift flow to tranquil flow.

A fluid property that measures the fluid’s resistance to shear stress.

The weight per unit volume of a liquid at a standard temperature and pressure is called:

The continuity equation is based on the principle of:

When a valve is suddenly closed on a liquid flowing through a long pipe, the pressure wave of high intensity thus generated is known as:

Which property of the fluid accounts for the major losses in pipes?

An open vessel of water is accelerated up an inclined plane. The free water surface will

The horizontal to vertical side slope in case of Cipolletti weir?

The horizontal component of the force on a curved surface is equal to

For the most economical trapezoidal open channel,

Gauge pressure is

In flow, the liquid particles may possess

For most economical rectangular section of a channel, the depth is kept

A line joining the points of highest elevation of water in a series of vertical open pipes rising from a pipeline in which water flows under a pressure is referred to as

They are used to measure pressure heads in pipes where the liquid is in motion.

A bent (L-shaped or U-shaped) with both ends open and is used to measure the velocity of fluid flow or velocity of air flow as used in airplane speedometer.

An instrument mainly used in measuring the discharge through pipes.

A type of shock where the flow undergoes a sudden transition

Ratio of volume of voids and volume soil.

Ratio of volume of voids and volume of soil solids

Ratio of volume of water and volume of soil

Which is true for porosity?

Which is true for void ratio?

Which is true for degree of saturation?

Water content of soil can

What is soil in civil engineering?

A process by which water-saturated soil sediment temporarily loss strength and acts as a fluid

Volume change in saturated soils caused by the expulsion of pore water from loading?

Negative skin friction on piles.

Which of the following methods is best suited for determination of permeability of fine-grained soils?

For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as

Pick up the incorrect statement from the following:

A decrease in water content results in a reductioh of the volume of soil in

The water content in a soil sample when it continues to loose weight without loosing the volume, is called

The admixture of coarser particles like sand or silt to clay causes

An index used to identify the swelling potential of clay soils is called

The property of a soil which permits water to percolate through it

Which of the following methods is best suited for determination of permeability of coarse-grained soils

Terzaghi's bearing capacity factors Nc, Nq and Ny are functions of

Coefficient of earth pressure at rest is

The average coefficient of permeability of natural deposits

The quantity of seepage of water through soils is proportional to,

The critical exist gradient of seepage water in soils, increases with

An overflow structure built across an open channel for the purpose of measuring the flow

Is the name given to the behaviour of the liquid in a thin bored tube

The section on the jet where the contraction ceases is called the