Answer:
Given data
electronic system dissipating = 90 W
diameter = 15 cm
The components in the duct are cooled by forced air which enters at 32°C at a rate of 0.65 m3 /min
the duct and the remaining = 15 %
See pictures for solution.
Explanation:
See attached pictures for detailed explanation.
Answer:
IT IS SIMPLE LIKE HENRY FORD MADE THIS OPTION POSSIBLE
Explanation:
Answer:


Given:

operating temperature of heat engine, 

Solution:
For a reversible cycle, maximum efficiency,
is given by:



Now, on re designing collector, maximum temperature,
changes to
, so, the new maximum efficiency,
is given by:



1.5 nautical miles per 1,000 feet