41 Gaz himoya muhitida yoyli payvandlash uchun qandayvoltamperli xossa mos keladi?

41) Gaz himoya muhitida yoyli payvandlash uchun qandayvoltamperli xossa mos keladi?

1. 
   Ko’payuvchi
   
2. 
   Keski ko’payuvchi
   
3. 
   Uzatuvchi
   
4. 
   Keski tushuvchi
   

42) Asetelin-Kislorod alangasini xarorat qanday

1. 
   1000⁰ S
   
2. 
   1500⁰ S
   
3. 
   2050⁰ S
   
4. 
   3150⁰ S
   

43) Asetelinning kimyoviy formulasini toping

1. 
   S₃N₈
   
2. 
   S₂N₂
   
3. 
   S₄N₁₀
   
4. 
   N₂O
   

44) Aetelin qanday ishlab chiqariladi

1. 
   Karbid kalsiyni SHA bilan aralashmasi jarayonida
   
2. 
   SHA Elektrollaridan
   
3. 
   Sellyularni parchalanishi natijasida
   
4. 
   Propan va kislorod o’rtasida o’zaro Kimyoviy ta’siri natijasida
   

45) Krbid kalsiy va suvdan asetelin olinadigan qurilma qanday ataladi

1. 
   Reduntor
   
2. 
   Tamba zatvor
   
3. 
   Asetelin generator
   
4. 
   Gazalangali gorelka
   

46) Kislorodda asetelin to’liq yonishi qaysi formula orqali kechadi

1. 
   S₂H₂+0,5O₂=SO+S+N₂
   
2. 
   S₂N₂+1,5O₂=2SO+N₂+0,5O₂
   
3. 
   S₂N₂+2,5O₂=2SO₂+N₂O
   
4. 
   S₃N₂+3O₂=3SO₂+4N₂
   

47) Gaz alangasida payvandlashning qaysi usulida payvandlash garelkasining alangasida chokka y’naltiriladi

1. 
   O’ng usulda
   
2. 
   O’rta usuda
   
3. 
   Chap usulda
   
4. 
   Markqziy usulda
   

48) Qanaday garelkalarda yonuvchi gaz va kislorod aralashtiruvchi qurilmaga teng bosimda uzatiladi

1. 
   Lnjektorsiz garelkalar
   
2. 
   Lnjektorli garelkalar
   
3. 
   Bin soploli garelkalar
   
4. 
   Ko’p sploli garaelkalar
   

49) Garelkaning ichiga alanganing kirishini qaytaruvchi qurima qanday nomlanadi

1. 
   Redaktor
   
2. 
   Zatvor
   
3. 
   Asetelin generatori
   
4. 
   Gaz alangali garelka
   

50) Qanday payvandlash usullarni nosim ostida payvandlash usullarni guruhiga kiradi

1. 
   Yoyli payvandlash
   
2. 
   Elektroshlak payvandlash
   
3. 
   Elektron-nurpayvandlash
   
4. 
   Dibbuzion payvandlash