Answer:
Minimum electrical power required = 3.784 Watts
Minimum battery size needed = 3.03 Amp-hr
Explanation:
Temperature of the beverages, 
Outside temperature, 
rate of insulation, 
To get the minimum electrical power required, use the relation below:

V = 5 V
Power = IV

If the cooler is supposed to work for 4 hours, t = 4 hours

Minimum battery size needed = 3.03 Amp-hr
The correct answer is A. Retain. Valve Stem seals
Answer:
To help wheels move in a circle
Explanation:
Answer:

Explanation:
From the question we are told that:
Discharge rate 
Distance 
Elevation of the pumping station 
Elevation of the Exit point 
Generally the Steady Flow Energy Equation SFEE is mathematically given by

With

And

Therefore


Generally h is give as


Therefore



Answer:
hydraulic flute is energy transfer medium in all hydraulic system this simple function is only achieved by flute that does not easily trap gases trapped gas and forming problems should bring a higher level of compressibility to a fluid than its usual at a point to support a very steep pass trekking system