Question 1

In the setup shown, if water is flowing, the

Accepted Answer

A)   640 kPa
B)   760 kPa
C)   820 kPa
D)   940 kPaE) None of the above
F) B) and C) D

Question 2

ext {The hydroturbine shown accepts water at 4 \mathrm { MPa } and}	ext { exits to the atmosphere. If the flow rate is 2 \mathrm {~m} ^ { 3 } / \mathrm { s }, the}   maximum power output is nearest:	ext {maximum power output is nearest:}maximum power output is nearest:

Accepted Answer

A)    80MW80 \mathrm { MW }80MW 
B)    70MW70 \mathrm { MW }70MW 
C)    60MW60 \mathrm { MW }60MW 
D)    50MW50 \mathrm { MW }50MW   E) A) and B)
F) All of the above A

Question 3

Air moves through the duct shown. The for include:
Work-rate term

Accepted Answer

A)    W˙S\dot { W } _ { S }W˙S​  and  W˙I\dot { W } _ { I }W˙I​ 
B)    W˙S\dot { W } _ { S }W˙S​  and  ∫pn^⋅VdA\int p \hat { \mathbf { n } } \cdot \mathbf { V } d A∫pn^⋅VdA 
C)    W˙S\dot { W } _ { S }W˙S​  and  ∫pn^⋅VdA\int p \hat { \mathbf { n } } \cdot \mathbf { V } d A∫pn^⋅VdA  and  W˙sheur \dot { W } _ { 	ext {sheur } }W˙sheur ​ 
D)    W˙S\dot { W } _ { S }W˙S​  and  W˙shear \dot { W } _ { 	ext {shear } }W˙shear ​  s that must be accounted  E) A) and D)
F) B) and C) C

Question 4

The owner of a cabin that is located on a small stream is thinking of placing a dam across the stream to create a possible drop of 120 cm. The stream is measured to have approximate
Dimensions of 180 cm by 10 cm and a leaf on the water's surface is observed to travel 10 m in
8 s)  If an 80% efficient turbine is used, how much power can the owner expect to generate?

Accepted Answer

A)   1 kW
B)   2 kW
C)   3 kW
D)   4 kWE) A) and B)
F) None of the above

Exam 10: Flow in Open Channels

In the setup shown, if water is flowing, the

Correct Answer
verified
D

$\text {The hydroturbine shown accepts water at 4 \mathrm { MPa } and}$ $\text { exits to the atmosphere. If the flow rate is 2 \mathrm {~m} ^ { 3 } / \mathrm { s }, the}$ $\text {maximum power output is nearest:}$

Correct Answer
verified
A

Air moves through the duct shown. The for include: Work-rate term

Correct Answer
verified
C

Correct Answer
verified

Exam 10: Flow in Open Channels

In the setup shown, if water is flowing, the

Correct AnswerverifiedD

\text {The hydroturbine shown accepts water at 4 \mathrm { MPa } and}\text { exits to the atmosphere. If the flow rate is 2 \mathrm {~m} ^ { 3 } / \mathrm { s }, the} maximum power output is nearest:\text {maximum power output is nearest:}maximum power output is nearest:

Correct AnswerverifiedA

Air moves through the duct shown. The for include: Work-rate term

Correct AnswerverifiedC

Correct AnswerverifiedShow Answer

Correct Answer
verified
D

$\text {The hydroturbine shown accepts water at 4 \mathrm { MPa } and}$ $\text { exits to the atmosphere. If the flow rate is 2 \mathrm {~m} ^ { 3 } / \mathrm { s }, the}$ $\text {maximum power output is nearest:}$

Correct Answer
verified
A

Correct Answer
verified
C

Correct Answer
verified