Understanding Motor Pump Power and Work Done
Interactive Video
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•
Practice Problem
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Hard
Ethan Morris
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the power of the motor pump in watts if it is given as 2 kilowatts?
1000 watts
1500 watts
2000 watts
2500 watts
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is power expressed in terms of energy and time?
Joules per minute
Joules per second
Watts per minute
Watts per second
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equivalent of one minute in seconds?
90 seconds
30 seconds
45 seconds
60 seconds
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the height to which the pump raises water?
20 meters
15 meters
10 meters
5 meters
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for work done against gravity?
W = mgh
W = mh/g
W = mg/h
W = gmh
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 'm' represent in the formula W = mgh?
Magnitude of force
Momentum of the object
Mass of the object
Motion of the object
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the mass of water raised by the pump?
m = t / p * gh
m = gh / p * t
m = p * t / gh
m = p / t * gh
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