Answer:
The mass flow rate of cooling water required to cool the refrigerant is 
.
Explanation:
A condenser is a heat exchanger used to cool working fluid (Refrigerant 134a) at the expense of cooling fluid (water), which works usually at steady state. Let suppose that there is no heat interactions between condenser and surroundings.The condenser is modelled after the First Law of Thermodynamics, which states:
The mass flow rate of the cooling water is now cleared:
Given that 
, 
, 
and 
, the mass flow of the cooling water is:
The mass flow rate of cooling water required to cool the refrigerant is .
Vibrations felt through the floor are due to unbalanced wheels. It would most likely be rear because if it’s the front the steering whee would also vibrate
Answer: $17,206.13
Explanation:
Hi, to answer this question we have to apply the next formula:
Annual electricity cost = (P x 0.746 x Ckwh x h) /η
P = compressor power = 78 hp
0.746 kw/hp= constant (conversion to kw)
Ckwh = Cost per kilowatt hour = $0.11/kWh
h = operating hours per year = 2500 h
η = efficiency = 93% = 0.93 (decimal form)
Replacing with the values given :
C = ( 78 hp x 0.746 kw/hp x 0.11 $/kwh x 2500 h ) / 0.93 = $17,206.13
def calculate_pay(total_worked_hours, rate_per_hour):
if total_hours_worked > 40:
# anything over 40 hours earns the overtime rate
overtimeRate = 2 * rate
_per_hour
return (40 * rate_per_hour) + ((total_worked_hours - 40) * overtimeRate
else:
# if you didn't work over 40 hours, there is no overtime
overtime = 0
return total_worked_hours * rate_per_hour
Explanation:
- First we create the calculate_pay function which will takes 2 parameters.
- Secondly ,inside the function we check if the total_worked_hours is greater than 40 and then return the pay by calculating with the help of formula for work over 40 hours.
- If the total work hour is less than 40 then we return the pay by multiplying the total_worked_hours with rate_per_hour.
Technician b says that hydrogen has better specific energy than fossil fuels. so technician b is correct.
<h3>
Does hydrogen have the highest specific energy?</h3>
- Although hydrogen has the highest energy density per mass of any fuel, it has the lowest energy density per unit volume due to its low ambient temperature density, necessitating the development of new storage technologies with the potential for higher energy density.
- Hydrogen is utilized as a rocket fuel and in fuel cells to generate power on some spacecraft because it is beneficial as an energy source or fuel due to its high energy content per unit of weight.
- Since hydrogen has a significantly higher energy content than fossil fuels, less of it is required to carry out any given task.
To learn more about energy refer to:
brainly.com/question/25959744
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