Answer:
3.11 A
Explanation:
Use the given relations between power, horsepower, voltage, and current to find the current requirement for the motor.
P = hp(745.7 W) = (1/2)(745.7 W) = 372.85 W
I = P/V = (372.85 W)/(120 V) = 3.1071 A
The amperage required is about 3.11 A.
Answer:
a) the COP of this air conditioner is 2.38
b) the rate of heat transfer to the outside air is 1065 kJ/min
Explanation:
Given the data in the question;
[ Outdoor ] ← Q
[ W
] Q
← [ House ]
Rate of heat removed from the house; Q
= 750 kJ/min = ( 750 kJ/min × ( 1 kW / 60 kJ/min ) ) = 12.5 kW
Net-work input; W
= 5.25 kW
a) The coefficient of performance of the air conditioner; COP.
COP = Q
/ W![_{net, in](https://tex.z-dn.net/?f=_%7Bnet%2C%20in)
we substitute
COP = 12.5 kW / 5.25 kW
COP = 2.38
Therefore, the COP of this air conditioner is 2.38
b) the rate of heat transfer to the outside air.
Q
= Q
+ W![_{net](https://tex.z-dn.net/?f=_%7Bnet)
we substitute
Q
= 12.5 kW + 5.25 kW
Q
= 17.75 kW
Q
= ( 17.75 × 60 ) kJ/min
Q
= 1065 kJ/min
Therefore, the rate of heat transfer to the outside air is 1065 kJ/min
Answer:
The high conversion in a CSTR with not very well mixing occurs mostly if the reactor is micro reactor.
From Literature, mixing due to diffusion depends on concentration or temperature gradients. This is commonly represented in micro reactors.
Also, the residence time distribution (RTD) Analysis provides information on how long the various components of fluid have been in the reactor which leads to more conversion in some cases of fluid reaction.
Answer:
like; Hamilton; Jefferson.
Explanation:
In the given excerpt, there was a national depth expansion that was as a result of the war that occurred between 1939 and 1945. The war led to the destruction of basic amenities and infrastructures as well as buildings. This ultimately created national depth. It also cost a significant amount to rebuild from scratch.