Chapter 4
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Hot water is water to which heat ? | show 🗑
|
||||
| show | 105F and 140 F
🗑
|
||||
| When water is heated it? | show 🗑
|
||||
| show | A dual type safety valve
🗑
|
||||
| As water is heated it immediately starts to____ | show 🗑
|
||||
| A thermal expansion tank features a _____ air cushion ___ to the minimum system pressure before recovery starts | show 🗑
|
||||
| The volume of hot water supply is governed by recovery rate of hot water heater | show 🗑
|
||||
| show | 1F
🗑
|
||||
| The definition of specific heat indicates you must know the _______ of the water to be heated. | show 🗑
|
||||
| Water can be heated using _____ and ___ | show 🗑
|
||||
| show | Gas,, Oil, Electricity, Instantaneous
🗑
|
||||
| Point of use heaters are small fixture____ type water heaters | show 🗑
|
||||
| Heat is a form of_____ that produces work or motion | show 🗑
|
||||
| show | Liquid and Vapors
🗑
|
||||
| show | True
🗑
|
||||
| Gas fired heaters have____ burners forced draft burners_____ burners | show 🗑
|
||||
| show | Voltages and Wattages
🗑
|
||||
| show | Glass
🗑
|
||||
| Magnesium ___ are used used to protect the interior surfaces of a steel tank | show 🗑
|
||||
| Domestic Hot Water supply systems can be best classified by the type of service they perform, that is one temperature and____ multiple | show 🗑
|
||||
| Forced____ requires the use of a circulating or booster pump | show 🗑
|
||||
| What are check valves? | show 🗑
|
||||
| show | Transferred
🗑
|
||||
| show | Expansion joints or Swing joints
🗑
|
||||
| show | multiple
🗑
|
||||
| show | 180F
🗑
|
||||
| What are the major parts of hot water supply system? | show 🗑
|
||||
| show | Recovery systems
🗑
|
||||
| show | multiple
🗑
|
||||
| Gravity circulation is more important than forced circulation? | show 🗑
|
||||
| A____ control valve is used in a hydronic heating system to prevent circulation of hot water when hot boiler water is not need. | show 🗑
|
||||
| show | 1"
🗑
|
||||
| show | in line air seperator
🗑
|
||||
| show | supply and return piping
🗑
|
||||
| How is a electronic zone valve operated? | show 🗑
|
||||
| show | a) expansion tank
b)boiler,piping, radiation
c)flow valve
D)circulating pump
🗑
|
||||
| All piping in a hot water system must be ____ so that air in system can be____ into the expansion tank or from manual air vents | show 🗑
|
||||
| Which fittings should be used when changing size of horizontal runs of pipe | show 🗑
|
||||
| A draft hood must be attached directly to a gas | show 🗑
|
||||
| show | Sense the temperature of water being heated
🗑
|
||||
| The basic deigns of water heaters are intended for use with? | show 🗑
|
||||
| How can the affects of hard water in domestic hot water heating equipment be minimized? | show 🗑
|
||||
| What are 6 valves in hot water system? | show 🗑
|
||||
| show | Balls valves and gate valves
🗑
|
||||
| What is a heat exchanger? | show 🗑
|
||||
| Water at ____ can scald in just half a second | show 🗑
|
||||
| ___ valve is used for throttling and shut off purpose | show 🗑
|
||||
| Balance valves are used for what? | show 🗑
|
||||
| show | Balancing valves and isolate section of piping system
🗑
|
||||
| Pressure relief valve are set to relief system if pressure exceeds____ | show 🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
Rboul845