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#1. The allowable tensile stress of wrought iron steel pipe is 750 psi. It is to be used for hot water supply with working pressure of 300 psi. what schedule of the pipe should you specify? N = 100P / S.

#2. A schedule of 80 wrought iron pipe can withstand a steam pressure up to?

#3. Fire system piping is usually painted with?

#4. What is the minimum length of time before a jointed plastic pipe be subjected to pressure test?

#5. On what type of building are wet standpipes generally used?

#6. In bending plastic, what will be the practical material to be used to prevent fattening of the pipe?

#7. Name that tool which is made of boxwood, dogwood or lignum vitae, and it is used for dressing or working sheet lead, lead pipe bends, and bath traps.

#8. What is that feature which offers a convenient water supply for firemen, making it necessary for the fire department to transport and user much expensive fire fighting apparatus?

#9. What is the handy tool for threading the end of the pipe in a trench or in the corner of a cellar where a pipe projects too far and threaded in place?

#10. What will be provided to prevent contamination from the polluted water of the fire truck to the house water supply system?

#11. A wrought iron pipe schedule of 40 can withstand a steam pressure up to?

#12. The material used to join or connect plastic pipe is called?

#13. What is the device which is to be installed on the water service between the edge of the street and the sidewalk line which serves as a control valve in case water supply in cut-off to the building?

#14. What circumstances should the curb stop is used?

#15. On what type of building are wet standpipes generally used?

#16. What is the usual horizontal length that the cast iron be supported to prevent damage at joints caused by sagging?

#17. What do you call the plugging of an opening with oakum, lead or other materials which are pounded into place or materials pounded into the opening?

#18. What circumstances should the curb stop is used?

#19. Why is it corporation stop required when the main water pipe is tapped with pressure on?

#20. What is the name of the instrument which used in caulking oakum in the joints of cast iron pipe?

#21. What is the part of the piping of a plumbing installation which supplies the plumbing fixtures with an adequate flow of water?

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