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Subjects
Science State Board
Class 8
Universe and space science
Textbook questions
13.
Answer briefly - V
Exercise condition:
4
m.
1
.
What are Cryogenic Fuels?
The
propellent
petroleum
oxidizer
is a
liquid
gas
liquefied gas
contained at a
low temperature
very high temperature
very low temperature
in these cryogenic propellants.
There is no necessity for an
cryogenic system
ignition system
solid system
as they react to the mixing and light their own flame.
2
.
Name the Indians worked at NASA.
(i)
Neil Armstrong
Rakesh Sharma
Kalpana Chawla
(ii)
Michael collins
Edwin Aldrin
Sunita Williams
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