Toshkent davlat agrar unversiteti termiz filiali

126) Ichki yonuv dvigatellari nechta mexanizm va tizimlardan tashkil topgan?
A) 6 tizimlardan tashkil topgan;
B) 3 ta mexanizm, 3 ta tizimdan;
C) 2 ta mexanizm, 4 ta tizimdan;
D) 2 ta mexanizm, 2 ta tizimdan;
127) Takt nima?
A) porshenni yurishlari soni;
B) dvigatel ish siklining bir kismi bulib, porshen bir chekka nuktadan ikkinchi chekka nuktaga Harakatlanganda bajariladigan jarayon;
C) porshen Harakatlanganida bajariladigan jarayon;
D) tirsakli val 360⁰ ga burilgandagi jarayon;
128) Dvigatelni litraji deganda nimani tushunasiz?
A) silindrni hajmini litrda ifodalanishini;
B) ishchi hajmni litrda ifodalanishni;
C) barcha silindrlarni ish hajmini yigindisini litrda ifodalanishini;
D) sikish kamerasining hajmini litrda ifodalanishini;
129) Ichki yonuv dvigatellarida qanday taktlar sodir buladi?
A) aralash, sikish, yonish, chikarish, kiritish;
B) kiritish (surish), sikish, kengayish, chikarish;
C) yonish, ishchi yurish, chikarish, aralash;
D) puflash, surish, yonish, sikish, chikarish, tozalash;
130) Krivoship-shatunli mexanizmning vazifasi nimadan iborat?
A) issiklik energiyasini mexanik energiyasiga aylantirib berishdan;
B) gaz bosimini porshen bilan kabul kilib tirsakli valga uzatishdan;
C) yongan aralashmani issiklik energiyasidan xosil bulgan bosimni kabul kilib tirsakli valga uzataishdan;
D) porshenni ilgarilanma-kaytma Harakatini tirsakli valning aylanma Harakatiga aylantirib berishdan;
131) Xul gilza bilan kuruk gilzani qanday kilib faklash mumkin?
A) xul gilzani aralashma har doim xullab turadi, kuruk gilzani esa xullamaydi;
B) sovituvchi suyuklik gilza atorofini urab tursa, xul gilza buladi, gilzaga suyuklik tegmasa kuruk gilza buladi;
C) sovutuvchi moy gilzaga doimo tegib tursa xul, tegmasa kurik buladi ;
D) forsunkadan purkalgan yonilgi gilzaga tegsa xul, tegmasa kuruk buladi;