(1) Describe the methods of constructing stone roofs.

(2) What is asbestos, and where is it found?

(3) What are snow guards used for?

(4) Describe the manner of shingling conical towers.

(5) Where is glass roofing usually employed?

(6) What is solder, and for what purpose is it used?

(7) What weight of copper should be used for gutter flashings with terra-cotta tile?

(8) Explain single lock and double lock in tin roofing.

(9) Why is copper tile so largely used?

(10) What are the joints in lead roofing called?

(11) How are the lengths of the nails used in roofing determined?

(12) State the thickness of slate usually used for roofing purposes.

(13) (a) Describe the pitches used in different climates. (b) In what way does the material used affect the pitch?

(14) In slate roofing, what course is laid double?

(15) (a) What are the benefits derived from using a thatched roof? (b) State how long such a roof will last.

(16) Describe standing-seam tin roofing.

(17) Why are cut slate better than square slate?

(18) What are the usual methods of laying galvanized iron?

(19) Give the weights of lead used for different parts of the roof.

(20) Give the names of the different forms of roofs.

(21) Why should the rafters be spaced the width of the metal in galvanized-iron roofing?

(22) (a) How many nails should be used for each sheet of tin 20 in. X 28 in. in fiat-seam roofing ? (b) When should more nails be used?

(23) Show by sketches how to brace finials on hips, ridges, and towers.

(24) Give the qualities of the different kinds of shingles used.

(25) Explain the terms waster and gauge, as applied to tin plate.

(26) Describe the methods of laying asphalt roofing.

(27) (a) How is copper distinguished from other metals? (b) What property gives it its chief value as a roofing material ?

(28) What are saddles in roofing?

(29) Describe a squint window.

(30) (a) What are fluxes used for? (b) Name the different metals usually united by solder.

(31) What method of roofing did the Egyptians employ?

(32) Describe the characteristics of tin.

(33) How may the quality of copper be determined?

(34) What is galvanized iron?

(35) What is the proper spacing for the clips in lead roofing?

(36) Describe the terms gauge and lap in slate roofing.

(37) What advantage is gained in tinning copper?

(38) What is the greatest pitch that should be given to a roof covered with lead?

(39) Describe the Boston hip, and illustrate description by sketches.

(40) Explain the difference between vitrified and slip-glazed tile.

(41) What are the usual sizes of shingles?

(42) What is the most economical size of sheet to be used in tin roofing?

(43) In copper roofing, why should all vertical joints be soldered before taking the work on the roof?

(44) What tests will determine a good coating of galvanizing on iron?

(45) In what respect does lead differ from other metals?

(46) Describe wherein zinc differs from other metals.

(47) Describe the characteristics of good slate.

(48) Why should iron, copper, etc. not be used in contact with zinc?

(49) Why is machine-punched preferable to hand-punched slate?

(50) Why is felt placed under tin?

(51) What flux should be used when soldering zinc?

(52) What is the least pitch that should be given to a lead gutter?