81.Hamma mavsumda ishlatiladigan moylarni belgilanishi qanday ?
A SAE 20, SAE 30, SAE 40, SAE 50
B. SAE 10W/40, SAE 15W/50
C. B-100/130, B-95/130
D. AI-98, AI-93
ANSWER: B
82.Gaz sanoatining Respublikada qazib olinayotgan yoqilg`i balansidagi hissasi qancha?
A. 82,2%
B. 82%
C. 81,2%
D. 81%
ANSWER: A
83.Neft turli neft maxsulotlari olish uchun asosiy ...?
A. yarim tayyor mahsulot
B. xom ashyo
C. tayyor mahsulot
D. sunʼiy modda
ANSWER: B
84.Qoldiq mazut nimalardan iborat ?
A. past haroratda qaynaydigan uglevodorodlardan
B. metan va benzoldan
C. spirtlardan
D. yuqori haroratda qaynaydigan og`ir uglevodorodlar aralashmasidan
ANSWER: D
85.Ligroin fraksiyasi necha gradusda ajiraladi ?
A. 160 - 200 0 C
B. 150-1600C
C. 200-2400C
D. 180-2100C
ANSWER: A
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