7-126 The maximum flow rate of a standard shower head is about 3.5 gpm (13.3 L/min) and can be reduced to 2.75 gpm (10.5 L/min) by switching to a love-flow shower head that is equipped with flow controllers. Consider a family of four, with each person taking a 6-minute shower every morning, City water at 15°C is heated to 55°C in an oil-fired water heater whose efficiency is 65 percent and then tempered to 42°C by cold water at the T-elbow of the shower before being routed to the shower head. The price of heating oil is $2.80/gal and its heating value is 146,300 kJ/gal. Assuming a constant specific heat of 4.18 kJ/kg "C for water, determine the amount of oil and money saved per year by replacing the standard shower heads with the low-flow ones 7-127 The drinking water needs of a production facility with 20 employees is to be met by a bubbler type water fountain The refrigerated water fountain is to cool water from 22 to 8C of the refrigeration system 2.9.

7-126 The maximum flow rate of a standard shower head is about 3.5 gpm (13.3 L/min) and can be reduced to 2.75 gpm (10.5 L/min) by switching to a love-flow shower head that is equipped with flow controllers. Consider a family of four, with each person taking a 6-minute shower every morning, City water at 15°C is heated to 55°C in an oil-fired water heater whose efficiency is 65 percent and then tempered to 42°C by cold water at the T-elbow of the shower before being routed to the shower head. The price of heating oil is $2.80/gal and its heating value is 146,300 kJ/gal. Assuming a constant specific heat of 4.18 kJ/kg "C for water, determine the amount of oil and money saved per year by replacing the standard shower heads with the low-flow ones 7-127 The drinking water needs of a production facility with 20 employees is to be met by a bubbler type water fountain The refrigerated water fountain is to cool water from 22 to 8C of the refrigeration system 2.9.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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