14. The velocity of liquid flowing through an orifice varies with the available head of the liquid. A) Agree B) Disagree

14. The velocity of liquid flowing through an orifice varies with the available head of the liquid.
A) Agree
B) Disagree
by

1 Answer

Answer :

A
by

Related questions

19. The water hammer in pipes occurs due to sudden change in the velocity of flowing liquid A) Agree B) Disagree

Description : 19. The water hammer in pipes occurs due to sudden change in the velocity of flowing liquid A) Agree B) Disagree

Last Answer : A

An orifice is said to be large, if (A) The size of orifice is large (B) The velocity of flow is large (C) The available head of liquid is more than 5 times the height of orifice (D) The available head of liquid is less than 5 times the height of orifice

Description : An orifice is said to be large, if (A) The size of orifice is large (B) The velocity of flow is large (C) The available head of liquid is more than 5 times the height of orifice (D) The available head of liquid is less than 5 times the height of orifice

Last Answer : Answer: Option D

Coefficient of resistance is the ratio of (A) Actual velocity of jet at vena-contracta to the theoretical velocity (B) Area of jet at vena-contracta to the area of orifice (C) Loss of head in the orifice to the head of water available at the exit of the orifice (D) Actual discharge through an orifice to the theoretical discharge

Description : Coefficient of resistance is the ratio of (A) Actual velocity of jet at vena-contracta to the theoretical velocity (B) Area of jet at vena-contracta to the area of orifice (C) Loss ... available at the exit of the orifice (D) Actual discharge through an orifice to the theoretical discharge

Last Answer : Answer: Option C

Coefficient of contraction is the ratio of (A) Actual velocity of jet at vena contracta to the theoretical velocity (B) Loss of head in the orifice to the head of water available at the exit of the orifice (C) Loss of head in the orifice to the head of water available at the exit of the orifice (D) Area of jet at vena-contracta to the area of orifice

Description : Coefficient of contraction is the ratio of (A) Actual velocity of jet at vena contracta to the theoretical velocity (B) Loss of head in the orifice to the head of water available at the exit of the ... available at the exit of the orifice (D) Area of jet at vena-contracta to the area of orifice

Last Answer : Answer: Option D

12. The tendency of a liquid to uplift a submerged body, because of the upward thrust of the liquid, is known as buoyancy. A) Agree B) Disagree

Description : 12. The tendency of a liquid to uplift a submerged body, because of the upward thrust of the liquid, is known as buoyancy. A) Agree B) Disagree

Last Answer : A

09. The loss of head due to an obstruction in a pipe is twice the loss of head at its entrance. A) Agree B) Disagree

Description : 09. The loss of head due to an obstruction in a pipe is twice the loss of head at its entrance. A) Agree B) Disagree

Last Answer : A

06. A body floating in a liquid is said to be not in equilibrium if its metacentre lies below its centre of gravity. A) Agree B) Disagree

Description : 06. A body floating in a liquid is said to be not in equilibrium if its metacentre lies below its centre of gravity. A) Agree B) Disagree

Last Answer : A

02. A flow in which each liquid particle does not have a definite path and the paths of individual particles also cross each other is called turbulent flow. A) Agree B) Disagree

Description : 02. A flow in which each liquid particle does not have a definite path and the paths of individual particles also cross each other is called turbulent flow. A) Agree B) Disagree

Last Answer : A

18. The property of a liquid which enables it to resist tensile stress is called its surface tension. A) Agree B) Disagree

Description : 18. The property of a liquid which enables it to resist tensile stress is called its surface tension. A) Agree B) Disagree

Last Answer : A

The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. (A) Decreases (B) Increases (C) Remain same (D) None of these

Description : The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. (A) Decreases (B) Increases (C) Remain same (D) None of these

Last Answer : Answer: Option B

4 The sheet of water flowing over a notch or a weir is known as (A) Sill or crest (B) Nappe or vein (C) Orifice (D) None of thes

Description : 4 The sheet of water flowing over a notch or a weir is known as (A) Sill or crest (B) Nappe or vein (C) Orifice (D) None of thes

Last Answer : Answer: Option B

The velocity of the liquid flowing through the divergent portion of a Venturimeter (A) Remains constant (B) Increases (C) Decreases (D) Depends upon mass of liquid

Description : The velocity of the liquid flowing through the divergent portion of a Venturimeter (A) Remains constant (B) Increases (C) Decreases (D) Depends upon mass of liquid

Last Answer : Answer: Option C

When a liquid is flowing through a pipe, the velocity of the liquid is (A) Maximum at the centre and minimum near the walls (B) Minimum at the centre and maximum near the walls (C) Zero at the centre and maximum near the walls (D) Maximum at the centre and zero near the walls

Description : When a liquid is flowing through a pipe, the velocity of the liquid is (A) Maximum at the centre and minimum near the walls (B) Minimum at the centre and maximum near the walls (C) Zero at the centre and maximum near the walls (D) Maximum at the centre and zero near the walls

Last Answer : Answer: Option A

A pitot tube is used to measure the (A) Velocity of flow at the required point in a pipe (B) Pressure difference between two points in a pipe (C) Total pressure of liquid flowing in a pipe (D) Discharge through a pipe

Description : A pitot tube is used to measure the (A) Velocity of flow at the required point in a pipe (B) Pressure difference between two points in a pipe (C) Total pressure of liquid flowing in a pipe (D) Discharge through a pipe

Last Answer : Answer: Option A

If the velocity of flow as well as the diameter of the flowing pipe are respectively doubled through a pipe system in use since long, the head loss will thereafter be (a) Halved (b) Doubled (c) Increased 4 times (d) No change

Description : If the velocity of flow as well as the diameter of the flowing pipe are respectively doubled through a pipe system in use since long, the head loss will thereafter be (a) Halved (b) Doubled (c) Increased 4 times (d) No change

Last Answer : (b) Doubled

Vena-contracta formed during flow of a liquid through an orificemeter has (A) Minimum liquid cross-section (B) More diameter compared to orifice diameter (C) Minimum velocity of fluid stream (D) None of these

Description : Vena-contracta formed during flow of a liquid through an orificemeter has (A) Minimum liquid cross-section (B) More diameter compared to orifice diameter (C) Minimum velocity of fluid stream (D) None of these

Last Answer : (A) Minimum liquid cross-section

Coefficient of velocity is defined as the ratio of (A) Actual velocity of jet at vena contracta to the theoretical velocity (B) Area of jet at vena contracta to the area of orifice (C) Actual discharge through an orifice to the theoretical discharge (D) None of the above

Description : Coefficient of velocity is defined as the ratio of (A) Actual velocity of jet at vena contracta to the theoretical velocity (B) Area of jet at vena contracta to the area of orifice (C) Actual discharge through an orifice to the theoretical discharge (D) None of the above

Last Answer : Answer: Option A

06. The formula for discharge over a sharp-crested weir and Ogee weir is same as that of a rectangular weir. A) Agree B) Disagree

Description : 06. The formula for discharge over a sharp-crested weir and Ogee weir is same as that of a rectangular weir. A) Agree B) Disagree

Last Answer : A

05. When the end contractions of the weir are suppressed, then number of end contractions (n) are taken as zero. A) Agree B) Disagree

Description : 05. When the end contractions of the weir are suppressed, then number of end contractions (n) are taken as zero. A) Agree B) Disagree

Last Answer : A

15. The depth of water in a channel corresponding to the minimum specific energy is known as critical depth. A) Agree B) Disagree

Description : 15. The depth of water in a channel corresponding to the minimum specific energy is known as critical depth. A) Agree B) Disagree

Last Answer : A

10. The specific gravity has no units. A) Agree B) Disagree

Description : 10. The specific gravity has no units. A) Agree B) Disagree

Last Answer : A

08. The difference between the notch and weir is that the notch is of bigger size and the weir is of a smaller size. A) Agree B) Disagree

Description : 08. The difference between the notch and weir is that the notch is of bigger size and the weir is of a smaller size. A) Agree B) Disagree

Last Answer : B

19. In the manufacturing of lead shots, the property of surface tension is utilised. A) Agree B) Disagree

Description : 19. In the manufacturing of lead shots, the property of surface tension is utilised. A) Agree B) Disagree

Last Answer : A

11. The D-Alembert's principle is used for changing the dynamic equilibrium of a fluid mass, into a static equilibrium. A) Agree B) Disagree

Description : 11. The D-Alembert's principle is used for changing the dynamic equilibrium of a fluid mass, into a static equilibrium. A) Agree B) Disagree

Last Answer : A

02. The ratio of the inertia force to the gravity force is called Froude number. A) Agree B) Disagree

Description : 02. The ratio of the inertia force to the gravity force is called Froude number. A) Agree B) Disagree

Last Answer : A

01. When the pressure intensity at a point is less than the local atmospheric pressure, then the difference of these two pressures is called vacuum pressure. A) Agree B) Disagree

Description : 01. When the pressure intensity at a point is less than the local atmospheric pressure, then the difference of these two pressures is called vacuum pressure. A) Agree B) Disagree

Last Answer : Option A

In order to avoid segregation, the concrete should not be thrown from a height (a) Agree (b) Disagree (c) Not known (d) None of these

Description : In order to avoid segregation, the concrete should not be thrown from a height (a) Agree (b) Disagree (c) Not known (d) None of these

Last Answer : (a) Agree

The Bernoulli's equation is based on the assumption that (A) There is no loss of energy of the liquid flowing (B) The velocity of flow is uniform across any cross-section of the pipe (C) No force except gravity acts on the fluid (D) All of the above

Description : The Bernoulli's equation is based on the assumption that (A) There is no loss of energy of the liquid flowing (B) The velocity of flow is uniform across any cross-section of the pipe (C) No force except gravity acts on the fluid (D) All of the above

Last Answer : Answer: Option D

Venturimeter is used to (A) Measure the velocity of a flowing liquid (B) Measure the pressure of a flowing liquid (C) Measure the discharge of liquid flowing in a pipe (D) Measure the pressure difference of liquid flowing between two points in a pipe line

Description : Venturimeter is used to (A) Measure the velocity of a flowing liquid (B) Measure the pressure of a flowing liquid (C) Measure the discharge of liquid flowing in a pipe (D) Measure the pressure difference of liquid flowing between two points in a pipe line

Last Answer : Answer: Option C

The factional resistance of a pipe varies approximately with __________ of the liquid. (A) Pressure (B) Velocity (C) Square of velocity (D) Cube of velocit

Description : The factional resistance of a pipe varies approximately with __________ of the liquid. (A) Pressure (B) Velocity (C) Square of velocity (D) Cube of velocit

Last Answer : Answer: Option C

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 distanceB) Increases linearly as its radial distance (C) Increases as the square of the radial distance (D) Decreases as the square of the radial distance

Description : 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 ... as the square of the radial distance (D) Decreases as the square of the radial distance

Last Answer : Answer: Option A

The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge) (A) Q = (2/3) Cd × b × (2g) × (H2 - H1) (B) Q = (2/3) Cd × b × (2g) × (H2 1/2 - H1 1/2) (C) Q = (2/3) Cd × b × (2g) × (H2 3/2 - H1 3/2) (D) Q = (2/3) Cd × b × (2g) × (H2 2 - H1 2 )

Description : The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of ... H1 3/2) (D) Q = (2/3) Cd b (2g) (H2 2 - H1 2 )

Last Answer : Answer: Option C

The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v w = Specific weight of the flowing liquid) (A) 4 (B) 8 (C) 16 (D) 32

Description : The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v w = Specific weight of the flowing liquid) (A) 4 (B) 8 (C) 16 (D) 32

Last Answer : Answer: Option D

AB and CD are equal and parallel chords of a circle with centre O. Then AC passes through the centre O. [Agree `//` Disagree]

Description : AB and CD are equal and parallel chords of a circle with centre O. Then AC passes through the centre O. [Agree `//` Disagree]

Last Answer : AB and CD are equal and parallel chords of a circle with centre O. Then AC passes through the centre O. [Agree `//` Disagree]

Cd for the orifice plate varies from (A) 0.58 to 0.8 (B) 0.93 to 0.98 (C) 0.2 to 0.3 (D) 0.02 to 0.03

Description : Cd for the orifice plate varies from (A) 0.58 to 0.8 (B) 0.93 to 0.98 (C) 0.2 to 0.3 (D) 0.02 to 0.03

Last Answer : (A) 0.58 to 0.8

The charge flowing through a resistance `R` varies with time `t as Q = at - bt^(2)`. The total heat produced in `R` is

Description : The charge flowing through a resistance `R` varies with time `t as Q = at - bt^(2)`. The total heat produced in `R` is

Last Answer : The charge flowing through a resistance `R` varies with time `t as Q = at - bt^(2)`. The total heat produced in `R` ... (3)R)/(b)` D. `(a^(3)R)/(6b)`

Consider the following statements in respect of steady laminar flow through a circular pipe: 1. Shear stress is zero on the central axis of the pipe 2. Discharge varies directly with the viscosity of the fluid 3. Velocity is maximum at the centre of the pipe. 4. Hydraulic gradient varies as the square of the mean velocity of flow. Which of these statements are correct? (a) 1, 2 , 3 & 4 (b) 1 & 3 only (c) 2 & 4 only (d)3 & 4 only

Description : Consider the following statements in respect of steady laminar flow through a circular pipe: 1. Shear stress is zero on the central axis of the pipe 2. Discharge varies directly with the viscosity of the fluid 3. Velocity is maximum at the ... 2 , 3 & 4 (b) 1 & 3 only (c) 2 & 4 only (d)3 & 4 only

Last Answer : (b) 1 & 3 only

A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross￾sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be (A) 2A × d × a × 2g) (B) 2A × d × a × 2g) (C) 2A × - d × a × 2g) (D) 2A × 3/2 - 3/2)/Cd × a × 2g)

Description : A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross￾sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be (A) 2A d a 2g) (B) 2A d ... 2g) (C) 2A - d a 2g) (D) 2A 3/2 - 3/2)/Cd a 2g)

Last Answer : Answer: Option C

An opening in the side of a tank or vessel such that the liquid surface with the tank is below the top edge of the opening, is called (A) Weir (B) Notch (C) Orifice(D) None of these

Description : An opening in the side of a tank or vessel such that the liquid surface with the tank is below the top edge of the opening, is called (A) Weir (B) Notch (C) Orifice (D) None of these

Last Answer : Answer: Option B

Cd , Cc and Cv are related (for flow through an orifice) as (where, Cd = discharge co-efficient, Cc = co-efficient of contraction = (area of jet at vena￾contracta/area of opening), Cv = co-efficient of velocity = (actual velocity at vena-contracta/theoretical velocity). (A) Cd = Cc /Cv (B) Cd = Cc .Cv (C) Cd = Cv / Cc (D) None of these

Description : Cd , Cc and Cv are related (for flow through an orifice) as (where, Cd = discharge co-efficient, Cc = co-efficient of contraction = (area of jet at vena￾contracta/area of opening), Cv = co-efficient of velocity = (actual velocity ... A) Cd = Cc /Cv (B) Cd = Cc .Cv (C) Cd = Cv / Cc (D) None of these

Last Answer : (B) Cd = Cc .Cv

The actual velocity at vena-contracta for flow through an orifice from a reservoir is given by(A) Cv. √(2gH)(B) Cc. √(2gH)(C) Cd. √(2gH)(D) Cv. Va

Description : The actual velocity at vena-contracta for flow through an orifice from a reservoir is given by (A) Cv . √(2gH) (B) Cc . √(2gH) (C) Cd . √(2gH) (D) Cv . Va

Last Answer : (A) Cv . √(2gH)

03. If an incompressible liquid is continuously flowing through a pipe, the quantity of liquid passing per second is different at different sections. A) True B) False

Description : 03. If an incompressible liquid is continuously flowing through a pipe, the quantity of liquid passing per second is different at different sections. A) True B) False

Last Answer : B

The magnitude of water hammer depends upon the (A) Elastic properties of the pipe material (B) Elastic properties of the liquid flowing through the pipe (C) Speed at which the valve is closed (D) All of the above

Description : The magnitude of water hammer depends upon the (A) Elastic properties of the pipe material (B) Elastic properties of the liquid flowing through the pipe (C) Speed at which the valve is closed (D) All of the above

Last Answer : Answer: Option D

The pressure of the liquid flowing through the divergent portion of a Venturimeter (A) Remains constant (B) Increases (C) Decreases (D) Depends upon mass of liquid

Description : The pressure of the liquid flowing through the divergent portion of a Venturimeter (A) Remains constant (B) Increases (C) Decreases (D) Depends upon mass of liquid

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After reading the attached article, do you agree or disagree with her actions, or are you neutral?

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Description : "If you need to google search the meaning of a movie after watching it, then it was a failure." Do you agree or disagree with this statement?

Last Answer : Not necessarily. Sometimes it’s the movie that’s obtuse, but sometimes it’s the viewer. So it’s possible that if you need to Google search the meaning of a movie after watching it, then you are a failure (at interpreting movies).

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Description : Do you agree or disagree with this person's theory on why most Americans don't like jazz music?

Last Answer : There may be something in what he says, but (based only on his name, and not having read the entire article) I presume that he is Japanese, and partly for that reason he is extrapolating into ... (badly written) assertion The current market share of Jazz in America is mere 3 percent, explained.

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Description : Why does New Jersey ban self-serve gas stations, and do you agree or disagree with the results?

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Description : How much of the Pope's recent letter do you agree with, and how much do you disagree with, and why?

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