MISCELLANEOUS QUESTION'S 



4i. Show t v .f securing a crank pin to a crank arm. 



.-AH* ..f a sketch and description show how th< 

 j>aru ..f an eooeotrio sheave are joined together when the 



ve cannot be passed over the end of the abaft. 

 1 1 u h. u the eccentric strap shown in fig. 93, p. 107, becomes 

 loose by wear, bow u it adjust*-.-. i the travel of 



nlide valve, the spindle of which ii connected directly 



4ft. Sketch a connecting rod end, with strap, gib, and cotter. 



Explain the use of the 



46. Give aketobea of a onnneoting r.l for a steam engine, snd 

 ex]>l lie exact length of the rod may be main: 



v luUi :i'ljustment is made for the wear of the brasses. 

 ct of the construction of the connect in 

 end sliown in 6g. 98, p. 109. Describe how the adjustment 

 iiuiMt be nuido and how it in locked. 



il" describe how adjustment is made for 

 wear ; state why two nuts are used on each : 



use of the feather ad joining the round head of the U It 



> views of the end <>f . 



attachnu i -I end and guide block shown 



m t how the pin is filled. What 



preventa the *te|* from working out aidewayat 



!, lulw.-itor !IOMII in ti u lw. ] 1 

 tfinHtd to supply oil in a continuous un 

 tin- inn- of a locomotive coupling 

 > \|.:.nn how the pint on rings in t are made 



A- are these rings got into place f 



68. Give sketches showing how a piston rod is secured to a pi*t on. 

 A : h the aid of sketches explain how a piston rod is made 

 to work st-iiu-t 1-,'hr through the end of the* 

 54. Sketch a conical or puppet valve, showing how it in gui<l<>l 

 in lifting. 



rod to an ordinary slide valve. 



56. Sketch a slide valve in nml i.iti. lowing dimen- 



aious. 1 U ; ban 1" wide ; steamports 



tide lap 1) inche* .il*.. t),,- same 



valve at the beginning of the piston stroke with J-inch 



