Which of the following can be used to create hydrogen? a. gasoline c. carbon monoxide b. carbon dioxide d. ammonia
1 answer:
Answer:
(d) Ammonia
Explanation:
When ammonia is kept at very high pressure and low temperature then its turns into liquid state but nitrogen and hydrogen is in gases state so we can easily find hydrogen as a byproduct from ammonia
Ammonia is considered as one of the primary candidate for the production of hydrogen
So option (d) will be correct option
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Question
Determine the average water exit velocity
Answer:
53.05 m/s
Explanation:
Given information
Volume flow rate,
Diameter d= 8cm= 0.08 m
Assumptions
- The flow is jet flow hence momentum-flux correction factor is unity
- Gravitational force is not considered
- The flow is steady, frictionless and incompressible
- Water is discharged to the atmosphere hence pressure is ignored
We know that Q=AV and making v the subject then
where V is the exit velocity and A is area
Area, where d is the diameter
By substitution
To convert v to m/s from m/s, we simply divide it by 60 hence