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What is the temp of cold tap water?
Ambient
How much water in a tanker?
Be more Specific, Size of tank, temp of water, etc
How do you turn up water heater?
There should be a dial on the front of the heater that you set the temp. with.
Find the highest and lowest element from a linked list?
To find the highest and lowest elements in a linked list, iterate the list and detect the highest and lowest elements. Details omitted ... list *head; /* pointer to first element */ list *temp; /* temp pointer list *high = null; /* pointer to high element */ list *low = null; /* pointer to low element */ for (temp=head; temp!=null; temp=temp->next) { /* iterate all elements */ if (temp == head ) { /* initial case */ high = low = temp; /* start accumulating results } else { /* otherwise */ if (higher(temp, high) high = temp; /* choose higher */ if (lower(temp, low) low = temp; /* choose lower */ } }
Is it more economical to set the water temperature thermostat on a central heating system high or low?
Typical heating boiler setpoint is around 180*, if you are looking to economize, look into having a reset control installed. The reset control will adjust the boiler setpoint based on outdoor air temperature. On a 70* day you would have 70* boiler water temp with a reset schedule of 1.5, for every degree outdoor temp drops below 70 the boiler temp would rise 1.5* so on a 0* day, boiler temp would be 175*. The reset schedules are adjustable.
