Gas turbine are more advantageous over stream turbines and IC engines because of the following reasons:
1. They are more reliable.
2. Their weight/power ratio is less.
3. They do not involve vibration.
4. They have lower maintenance costs.
Of these:
1
1 and 2 are true
2
1, 2 and 3 are true
3
2, 3 and 4 are true
4
1, 2, 3 and 4 are true