GATE AE · 2020 · AE
Question 48: Basics
Give it a try, then reveal the answer to check your work.
Question 48
AENAT2 marksNeeds review
The operating conditions of an aircraft engine combustor are as follows.
The rate of total enthalpy of air entering the combustor = 28.94 MJ/s.
The rate of total enthalpy of air leaving the combustor = 115.42 MJ/s.
Mass flow rate of air = 32 kg/s.
Air to fuel mass ratio = 15.6.
Lower heating value of the fuel = 46 MJ/kg.
The efficiency of the combustor is ______% (round off to two decimal places).
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerEXPLORE & PRACTISE
Paper and topic context
See where this question comes from and choose what to practise next.
2020AE
GATE AE 2020 · Paper 1
Aerospace Engineering · Original paper archive
- Section
- Aerospace Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
Practise related topics
Explore more previous year questions using this question’s imported topic tags.
aerospace engineering
GATE AE previous year questions
aerodynamics
GATE AE previous year questions
flight mechanics
GATE AE previous year questions
Basics
GATE AE previous year questions
Comments
Ask a question, share your approach, or help someone understand.
Log in to view the discussion
You’re not logged in. Log in or create an account to see discussions and add comments.