Fluid Flow
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360928 The liquid flow is most streamlined when

1 Liquid of high viscosity and high density flowing through a tube of small radius.
2 Liquid of high viscosity and low density flowing through a tube of small radius
3 Liquid of low viscosity and low density flowing through a tube of large radius
4 Liquid of low viscosity and high density flowing through a tube of large radius
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360929 Assertion :
The path taken by a fluid particle under a steady flow is a streamline.
Reason :
The flow of fluid is said to be steady if at any given point, the quantity of fluid flowing per second through any section remains constant.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360930 In streamline flow, which of the following statement (s) is /are correct?
I.
Every fluid particle follows the path of its preceding particle with same velocity.
II.
Eddies and whirls are formed.
III.
Speed of particle is less than the critical speed.

1 Only I
2 Both I and III
3 Only III
4 Both II and III
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360931 A liquid of density \(\rho\) and coefficient of viscosity \(\eta\), flows with velocity \(v\) through a tube of diameter \(D\). \(A\) quantity \(R=\dfrac{\rho v D}{\eta}\) determines whether the flow will be streamlined or turbulent. \(R\) has the dimension of

1 Velocity
2 Acceleration
3 Force
4 None of these
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360932 In a laminar flow at a given point the magnitude and direction of the velocity of the fluid

1 Both are constant
2 Magnitude is only constant
3 Direction is only constant.
4 Both are not constant.
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360928 The liquid flow is most streamlined when

1 Liquid of high viscosity and high density flowing through a tube of small radius.
2 Liquid of high viscosity and low density flowing through a tube of small radius
3 Liquid of low viscosity and low density flowing through a tube of large radius
4 Liquid of low viscosity and high density flowing through a tube of large radius
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360929 Assertion :
The path taken by a fluid particle under a steady flow is a streamline.
Reason :
The flow of fluid is said to be steady if at any given point, the quantity of fluid flowing per second through any section remains constant.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360930 In streamline flow, which of the following statement (s) is /are correct?
I.
Every fluid particle follows the path of its preceding particle with same velocity.
II.
Eddies and whirls are formed.
III.
Speed of particle is less than the critical speed.

1 Only I
2 Both I and III
3 Only III
4 Both II and III
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360931 A liquid of density \(\rho\) and coefficient of viscosity \(\eta\), flows with velocity \(v\) through a tube of diameter \(D\). \(A\) quantity \(R=\dfrac{\rho v D}{\eta}\) determines whether the flow will be streamlined or turbulent. \(R\) has the dimension of

1 Velocity
2 Acceleration
3 Force
4 None of these
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360932 In a laminar flow at a given point the magnitude and direction of the velocity of the fluid

1 Both are constant
2 Magnitude is only constant
3 Direction is only constant.
4 Both are not constant.
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360928 The liquid flow is most streamlined when

1 Liquid of high viscosity and high density flowing through a tube of small radius.
2 Liquid of high viscosity and low density flowing through a tube of small radius
3 Liquid of low viscosity and low density flowing through a tube of large radius
4 Liquid of low viscosity and high density flowing through a tube of large radius
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360929 Assertion :
The path taken by a fluid particle under a steady flow is a streamline.
Reason :
The flow of fluid is said to be steady if at any given point, the quantity of fluid flowing per second through any section remains constant.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360930 In streamline flow, which of the following statement (s) is /are correct?
I.
Every fluid particle follows the path of its preceding particle with same velocity.
II.
Eddies and whirls are formed.
III.
Speed of particle is less than the critical speed.

1 Only I
2 Both I and III
3 Only III
4 Both II and III
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360931 A liquid of density \(\rho\) and coefficient of viscosity \(\eta\), flows with velocity \(v\) through a tube of diameter \(D\). \(A\) quantity \(R=\dfrac{\rho v D}{\eta}\) determines whether the flow will be streamlined or turbulent. \(R\) has the dimension of

1 Velocity
2 Acceleration
3 Force
4 None of these
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360932 In a laminar flow at a given point the magnitude and direction of the velocity of the fluid

1 Both are constant
2 Magnitude is only constant
3 Direction is only constant.
4 Both are not constant.
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PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360928 The liquid flow is most streamlined when

1 Liquid of high viscosity and high density flowing through a tube of small radius.
2 Liquid of high viscosity and low density flowing through a tube of small radius
3 Liquid of low viscosity and low density flowing through a tube of large radius
4 Liquid of low viscosity and high density flowing through a tube of large radius
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360929 Assertion :
The path taken by a fluid particle under a steady flow is a streamline.
Reason :
The flow of fluid is said to be steady if at any given point, the quantity of fluid flowing per second through any section remains constant.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360930 In streamline flow, which of the following statement (s) is /are correct?
I.
Every fluid particle follows the path of its preceding particle with same velocity.
II.
Eddies and whirls are formed.
III.
Speed of particle is less than the critical speed.

1 Only I
2 Both I and III
3 Only III
4 Both II and III
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360931 A liquid of density \(\rho\) and coefficient of viscosity \(\eta\), flows with velocity \(v\) through a tube of diameter \(D\). \(A\) quantity \(R=\dfrac{\rho v D}{\eta}\) determines whether the flow will be streamlined or turbulent. \(R\) has the dimension of

1 Velocity
2 Acceleration
3 Force
4 None of these
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360932 In a laminar flow at a given point the magnitude and direction of the velocity of the fluid

1 Both are constant
2 Magnitude is only constant
3 Direction is only constant.
4 Both are not constant.
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360928 The liquid flow is most streamlined when

1 Liquid of high viscosity and high density flowing through a tube of small radius.
2 Liquid of high viscosity and low density flowing through a tube of small radius
3 Liquid of low viscosity and low density flowing through a tube of large radius
4 Liquid of low viscosity and high density flowing through a tube of large radius
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360929 Assertion :
The path taken by a fluid particle under a steady flow is a streamline.
Reason :
The flow of fluid is said to be steady if at any given point, the quantity of fluid flowing per second through any section remains constant.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360930 In streamline flow, which of the following statement (s) is /are correct?
I.
Every fluid particle follows the path of its preceding particle with same velocity.
II.
Eddies and whirls are formed.
III.
Speed of particle is less than the critical speed.

1 Only I
2 Both I and III
3 Only III
4 Both II and III
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360931 A liquid of density \(\rho\) and coefficient of viscosity \(\eta\), flows with velocity \(v\) through a tube of diameter \(D\). \(A\) quantity \(R=\dfrac{\rho v D}{\eta}\) determines whether the flow will be streamlined or turbulent. \(R\) has the dimension of

1 Velocity
2 Acceleration
3 Force
4 None of these
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

360932 In a laminar flow at a given point the magnitude and direction of the velocity of the fluid

1 Both are constant
2 Magnitude is only constant
3 Direction is only constant.
4 Both are not constant.