MACHIXF DRAWING ANH 1 



XX. MISCELLANEOUS QUESTIO 

 CHIEFLY FROM EXAMINATION PAPERS. 

 tche tukedfor should be drawn 'frcehawl. 

 1. Describe with the ;u.l ..f a sketch th- n ..f caul) 



ed joint. What is the object of caulking a riveted joint ' 

 I'. Sketch a simple sin-h- riveted lap joint, f-r : in. li plates and 

 |-inch rivets, and dimension the overlap and pitch of i 

 Sketch also a j-inch rivet showing tin- usual form and pr..- 

 portions of tlu- rivet head. 



IT! two views of a double riveted lap joint f<-r h.-ih-r platen. 

 4. Show by sketches a single riveted lap joint ; a d<.ulle riveted 

 lap joint and a butt joint. What >h..uld be the lens 

 . of the rivet holes from each other and from tin 

 of the plate and the least width of overlap ' 



.Y Sketch sections of angle, tee, and channel inm. <;i\e tw.. 

 \i.-\\s sho \\in-4 how two wrought -iron plates are OOIU 



ther, at right angles t-o one another. }>\ in-_'le 



inm and rivets. \Vhat diainctor of rivets \\,.nld yii use 

 for A" plates? 



(. Show two ways of joining wrought -iron plates at right ai 

 7. Describe in detail ho \\ inf ooeof tberireteinfig. 110,p. 117. is 



put into place and riveted. K\]ilain the use of agusse- 

 s. Show by sketches the forms of triangular, square, and buttress 



Hcrew threads. 



!>. Show the form of the Whitworth screw thread by drawin.- t.. 

 scale a part section of two or three thread- taking a piteh 

 of P. inches. Figure the diinens].. n- .. n th,. >ket<h. H..\\ 

 many threads to the inch are used on an inch lx.lt ' 

 - ; ,etch a bolt \\irh square head, and hexagon nut. Sup 

 nig the bolt to be 1" in diameter, mark the usual dimen 

 sions of the nut and bolt head. 



1 1 Sketch the end of a foundation lc.lt. showing h-.\\ to li\ it 

 by a cotter and cast-iron plate In-low the masonry. 



i m of bolt used for securing a machine to a ri 

 foundation, and explain how the bolt is fixed in 

 i Make a sketch of a stud, describe how it is screwed into 

 place, and state soim- . H. MH.^.U,' - under w Inch it in used 

 in preference to a bolt. 



