189) It is not possible to use closed gas turbine cycle in aeronautical engines because

it is inefficient

it is bulky

it requires cooling water for its operation

None of These

Answer is:

it requires cooling water for its operation

increase in net output but decrease in thermal efficiency

increase in thermal efficiency but decrease in net output

increase in both thermal efficiency and net output

decrease in both thermal efficiency and net output

Answer is:

melting point rises slightly and boiling point drops markedly

melting point rises markedly and boiling point drops markedly

melting point drops slightly and boiling point drops markedly

melting point drops slightly and boiling point drops slightly

Answer is:

373°K

273.16°K

303°K

0°K.

Answer is:

225.65 kgf/cm2

273 kgf/cm2

100 kgf/cm2

1 kgf/cm2

Answer is: