Answer:
b)prototype
Explanation:
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Answer 1: minimum required flow rate of fresh air is 0.57 m^3/ses
Explanation: since the minimum requirement per person is 30 L/sec
Converting to m^3 it becomes
30/1000 = 0.03 m^3/sec
For 19 heavy smoker we will require
19 * 0.03 = 0.57m^3/sec
Answer 2: diameter of the duct will be 0.3m
Explanation: since flow rate is
Q =0.57m^3/sec
Also
Q = AV (continuity equation)
Where A is the duct area and V is the velocity of air flow in m/sec
0.57m^3/sec = A * 8m/sec
A = 0.57/8 = 0.071m^2
Area of the duct is that of a circle
A = 3.142 *(d^2 ÷4)
d^2 = (0.017 * 4)/3.142 = 0.09
d is square root of 0.09
d = 0.3m
Answer:
a)
b) 
c) 
Explanation:
From the question we are told that:
Interior temperature 
outside temperature is 
Rate 
a)
Generally electric resistance heating is the heat transfer from interior building
Therefore
b)
COP =3
Generally the equation for coefficient of performance is mathematically given by
Therefore
c)
Generally the equation for coefficient of performance is mathematically given by
Therefore
Answer:
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Answer:
In this context a caliber is defined as the diameter of the body tube, and it is used to support the general rule of thumb that for a rocket of typical aspect ratio to be stable the CG should be one caliber ahead of CP.
Explanation:
