Exam 2: Fluid Statics

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Estimate the torque needed to rotate the inner cylinder at $1000 \mathrm { rpm }$ if SAE-30 oil at $40 ^ { \circ } \mathrm { C }$ fills the gap. Assume a linear velocity distribution in the gap. Neglect end effects. $Estimate the torque needed to rotate the inner cylinder at 1000 \mathrm { rpm } if SAE-30 oil at 40 ^ { \circ } \mathrm { C } fills the gap. Assume a linear velocity distribution in the gap. Neglect end effects.$

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Question 1

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Thunder is heard $2.2$ seconds after Lightning is observed in Arizona when the temperature is $50 ^ { \circ } \mathrm { C }$ . The best estimate of how far away the lightning struck is nearest:

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Question 2

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A farmer is applying compressed nitrogen to a field from a tank originally at $800 \mathrm { kPa }$ . The temperature of the nitrogen as it leaves the tank is approximately:

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Question 3

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The specific gravity of an unknown liquid is known to be 1.26. The liquid is most likely:

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Question 4

Two clean, glass plates spaced $0.2 \mathrm {~mm}$ apart are placed in $20 ^ { \circ } \mathrm { C }$ water. How far up the plates will the water climb if the contact angle is $0 ^ { \circ }$ ?

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Question 5

The specific weight of air at 5 km is nearest:

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Question 6

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Thunder is heard $2.2$ seconds after Lightning is observed in Arizona when the temperature is $50 ^ { \circ } \mathrm { C }$ . The best estimate of how far away the lightning struck is nearest:

A farmer is applying compressed nitrogen to a field from a tank originally at $800 \mathrm { kPa }$ . The temperature of the nitrogen as it leaves the tank is approximately:

The specific gravity of an unknown liquid is known to be 1.26. The liquid is most likely:

Two clean, glass plates spaced $0.2 \mathrm {~mm}$ apart are placed in $20 ^ { \circ } \mathrm { C }$ water. How far up the plates will the water climb if the contact angle is $0 ^ { \circ }$ ?

The specific weight of air at 5 km is nearest:

Basic Considerations

Introduction to Fluids in Motion

The Integral Forms of the Fundamental Laws

The Differential Forms of the Fundamental Laws

Dimensional Analysis and Similitude

Internal Flows

External Flows

Compressible Flow

Flow in Open Channels

Flows in Piping Systems

Turbomachinery

Measurements in Fluid Mechanics

Computational Fluid Dynamics

Fluid Dynamics and Aerodynamics

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Exam 2: Fluid Statics

Estimate the torque needed to rotate the inner cylinder at 1000rpm1000 \mathrm { rpm }1000rpm if SAE-30 oil at 40∘C40 ^ { \circ } \mathrm { C }40∘C fills the gap. Assume a linear velocity distribution in the gap. Neglect end effects.

Thunder is heard 2.22.22.2 seconds after Lightning is observed in Arizona when the temperature is 50∘C50 ^ { \circ } \mathrm { C }50∘C . The best estimate of how far away the lightning struck is nearest:

A farmer is applying compressed nitrogen to a field from a tank originally at 800kPa800 \mathrm { kPa }800kPa . The temperature of the nitrogen as it leaves the tank is approximately:

The specific gravity of an unknown liquid is known to be 1.26. The liquid is most likely:

Two clean, glass plates spaced 0.2 mm0.2 \mathrm {~mm}0.2 mm apart are placed in 20∘C20 ^ { \circ } \mathrm { C }20∘C water. How far up the plates will the water climb if the contact angle is 0∘0 ^ { \circ }0∘ ?

The specific weight of air at 5 km is nearest:

Basic Considerations

Introduction to Fluids in Motion

The Integral Forms of the Fundamental Laws

The Differential Forms of the Fundamental Laws

Dimensional Analysis and Similitude

Internal Flows

External Flows

Compressible Flow

Flow in Open Channels

Flows in Piping Systems

Turbomachinery

Measurements in Fluid Mechanics

Computational Fluid Dynamics

Fluid Dynamics and Aerodynamics

Filters

Thunder is heard $2.2$ seconds after Lightning is observed in Arizona when the temperature is $50 ^ { \circ } \mathrm { C }$ . The best estimate of how far away the lightning struck is nearest:

A farmer is applying compressed nitrogen to a field from a tank originally at $800 \mathrm { kPa }$ . The temperature of the nitrogen as it leaves the tank is approximately:

Two clean, glass plates spaced $0.2 \mathrm {~mm}$ apart are placed in $20 ^ { \circ } \mathrm { C }$ water. How far up the plates will the water climb if the contact angle is $0 ^ { \circ }$ ?