Fluid Machinery 2018 Question Paper — Government College of Engineeri…
The 2018 Fluid Machinery previous year question paper (Government College of Engineering and Technology, Jammu), with every question and its marks.
- University: Government College of Engineering and Technology, Jammu
- Subject: Fluid Machinery
- Course: Fluid Machinery
- Branch: MECH. ENGG.
- Year: 2018
- Paper: end-term
- Duration: 180 minutes
- Total marks: 100
Instructions
- Attempt any Five questions selecting at least one from each unit.
- Assume missing data if any.
Questions
Unit - I
- Q1. Explain briefly what is meant by Impulse function. Derive $\frac{F}{F^*} = \frac{1 + rm^2}{m} \left[ 2(1 + r) \left( 1 + \frac{r-1}{2} . m^2 \right) \right]^{-1/2}$ [20 marks]
- Q2. Define the terms: i) International standard atmosphere ii) Karman's rules for supersonic flow. iii) Nozzle coefficients. [20 marks]
Unit - II
- Q3. Derive an equation describing a Fen no curve. Show three Fen no curves on the temperature entropy coordinates at three mass flow densities. [20 marks]
- Q4. What is Rayleigh flow. Under what conditions the assumption of Rayleigh flow is not valid in a heat exchanger. [20 marks]
Unit - III
- Q5. Derive the relation for flow through a normal shock. $\frac{C_y}{C_x} = \left( \frac{2}{r+1} \right) \frac{1}{my^2} + \frac{r-1}{r+1}$ [20 marks]
- Q6. Write down the four basic equations which satisfy the state points before and after a normal shock wave and discuss each of them. [20 marks]
Unit - IV
- Q7. Discuss the various applications of Rocket propulsion with examples. [20 marks]
- Q8. Write short note on: i) Fuel used for gas turbine. ii) Jet Propulsion. [20 marks]
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