PTU Punjab Technical University B-Tech May 2019 Question Papers 4th Semester Electrical and Electronics Engineering (EEE)-EE-Electrical Engineering
Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(EE) (2011 Onwards)/(Electrical & Electronics)/(Electronics & Electrical)
(2011 & 2012 Batch)/(Electrical Engg. & In dustrial Control) (2012 Onwards)
(Sem.?4)
POWER PLANT ENGINEERING
Subject Code : BTEE-406
M.Code : 57110
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1.
SECTION-A is COMPULSORY consisting of TEN questions carrying T WO marks
each.
2.
SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3.
SECTION-C contains T HREE questions carrying T EN marks each and students
have to attempt any T WO questions.
SECTION-A
Q1. Answer briefly :
a) Discuss the role of a condenser in a steam power plant.
b) Why is ash handling plant necessary in a thermal plant?
c) What is a hydrograph?
d) Define mass defect.
e) Differentiate between fertile and fissile materials.
f) What is aeroderivative gas turbine?
g) What do you mean by nuclear fission?
h) Name the main parts of diesel power plant.
i) Differentiate between two stroke and four stroke diesel engines.
j) What is an electrostatic precipitator?
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SECTION-B
Q2. Draw and explain the flue gas and water steam flow diagrams of a steam power plant.
Q3. Explain how hydroelectric plants are classified.
Q4. Show that a mass defect of 1 amu is equivalent to about 931 MeV of energy.
Q5. Discuss the principle of operation of a closed cycle gas turbine plant. Compare it with open
cycle gas turbine plant.
Q6. Discuss the advantages of combined operation of different plants. Explain with the help of
suitable example.
SECTION-C
Q7. Discuss the factors which affect the thermal efficiency of a thermal power station. A
thermal power station has an overall efficiency of 24% and 0.80Kg of coal is burnt per
kWh of generated energy. Determine the calorific value of coal.
Q8. What are the advantages of diesel plants over the thermal plants? Why diesel plants are not
used for high capacity? What are its drawbacks when used for high capacity compared to
steam plants?
Q9. What considerations have to be kept in view in sitting nuclear plants? How nuclear reactors
are being classified? Explain.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 04 November 2019