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and is it easy or hard?
I'm pretty sure there are about forty questions on the test. As to how difficult it is, it depends on how well you know. You can expand your knowledge by buying book guides on how to pass the test or take online practice tests. According to some of the questions ive seen like these: A three-compartment sink is an example of a what fixture?
The gross area of an exhibition facility is 10,000 square feet. What number of individual people is used to calculate facilities?
The distance from a meter to a natural gas water heater (40,000 btuh) is 30 feet, 20 feet further down the line is a furnace (120,000btuh). What is the minimum gas pipe size that must be used between the water heater and furnace? (pressure drop =.05) a. 3/8" b. ½" c. ¾" d.1". It looks like you need to know maths very well and know how to calculate well. Good luck. :-)
I would think that you would need to know your tools inside and out, know everything there is to know about the different metals and know alot about measurements. I think three of the most important you should know if you wanting to become a plumber or something.
i just want the license for fun
