Refer to the drawing, Hot Water Tank, page 140.

1. How thick is the bottom head? 13. What is the distance from the top of the top

head to the bottom of the bottom head?

2. How thick is the material used in the stack?

14. What are the dimensions of and ©

(8-----------------------------------------------------------

d__________________________________

15. What is the distance from the bottom of the water-holding tank to the bottom of the hold down lugs?

5. What size and how many screw holes are used around hole?

16. How many degrees apart on center are the hold down lugs?

7. Approximately how many inches and what type of weld are required to join the stack to the head at the top of the tank? (Give answer within й".)

17. What types of welds are required to join the stack to the bottom of the head?

18. What is the inside diameter of the tank?

8. What type of weld is required at point Q? лл 1 i-.f.-i - jf. i

lr nr 19. Make a list of materials required tor the

fabrication of the tank (list all sizes).

9. What type of weld is used to join the hold - down lugs to the tank?

10. How many hold-down lugs are needed for this order?

11. a. Do all these lugs require the same type of weld?

_____________________________________________ 20.__ What is the approximate combined length of

і - і— і all welds required on the tank? (Do not include

b. Explain your answer.

welds on flanges, lugs, and studs.)

12. What is the angle of ^ ?

21. What does (X measure in degrees?

EDITOR'S NOTE: REDUCED PRINT. FOLLOW STATED DIMENSIONS ONLY. NOT TO BE SCALED.

A LARGER DRAWING IS PROVIDED AT THE BACK OF THE TEXT.