Reg No.:

06000ME371122003 Pages: 2

Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Fifth Semester B.Tech Degree Regular and Supplementary Examination December 2020

Max. Marks: 100

1
2 a)
b)
3 a)
b)
4 2)
b)
5 2)
b)
6 a)
b)
7 2)
b)
8 a)
b)

Course Code: ME371
Course Name: NUCLEAR ENGINEERING

PARTA
Answer any three full questions, each carries 10 marks.
Derive the expression for the number of radioactive nuclides left after time, t
(law of radioactive decay). Define decay constant (A), half-life (11/2) and
average life (५५). Prove that ti2=0.693 Tay.
Comment atomic structure of an element using classical model of atoms.
State and explain the relationship connecting mass defect and binding energy.
Explain the criticality condition for nuclear reactors.
Define the basic features of Reactor control.
Explain the concept of chain reaction with a suitable example.
Summarize the neutron life cycle with diagram.
PART ‏تا‎
‎Answer any three full questions, each carries 10 marks.
List out the coolants being used in a Boiling Water Reactor (BWR) and
mention the reasons for choosing the same.
Illustrate and explain the nuclear fuel cycle.
Identify the merits for using concrete as a structural material for nuclear
reactors.
Describe with the help of a diagram, functions of cladding in fuel assembly.
List out features of fuel assembly in BWR to minimize radiation damage with
their roles.
Compare PUREX and UREX process for extraction of Uranium.
Discuss the role of centrifuges in fuel enrichment.

Illustrate and explain processes involved in extraction of uranium from its ore.

Page 1 of 2

Duration: 3 Hours

Marks
(10)

(6)
(4)
(5)
(5)
(6)
(4)

(6)

(4)
(6)

(4)
(5)

(5)
(5)
(5)