Question

Which of the following is used as a rocket fuel a- liquid N2 + liquid O2 b- liquid H2+liquid N2 c- liquid O2+ liquid Ar d- liquid H2 + liquid O2

Answer 1

Liquid H2+liquid N2 because nitrogen has a lower boilling point at -196 for spacecraft application and H2 must be cooled below hydrogen critical point of 33k

Answer 2

Liquid H2+liquid N2 because nitrogen has a lower boilling point at -196 for spacecraft application and H2 must be cooled below hydrogen critical point of 33k