B.Sc. DEGREE EXAMINATION, NOVEMBER 2017.
Nautical Science
NAUTICAL PHYSICS AND ELECTRONICS — II
(Upto 2015 batch)
Time 3 Hours Maximum 75 Marks
Answer all questions.
x 15 75)
1. Name the parts of nuclear reactor and discuss their
functions with safety precautions.
Discuss the role of satellite for the weather forecast.

Or
Explain the electrostatic charging of oil in pipeline
flow.
Discuss various causes for formation of changes in
oil and their remedies.
2. Derive an expression for resonant frequency of a
series LCR circuit.
A radio can turn on frequency of 1 MHz. If its LC
circuit has an effective inductance or 200 H. What
is capacitance value?
Or
Discuss the various factors in the radio wave
communication.
Draw the radiation pattern in Hertz antenna and
explain.
Sub. Code
22
CP-7997
2
WS 20
3. Subtract 110011 2 from 1111101 2 .
Explain the construction and working of a NAND
gate with the truth table.
With the neat diagram, explain the function of
J-K flip flop.
Or
NAND and NOR are universal gates. Explain with
neat diagram.
Explain the working of monostable multivibrator
with diagram.
4. Discuss the common base mode configuration of a
transistor with its applications.
Explain the operation of transistor on an amplifier.

Or
Transistor acts as switches — Explain.
Discuss the various circuits in which transistor as
switches.
5. Discuss the FM modulation with necessary theory.(8)
Explain the function of AM transmitter with neat
block diagram.
Or
Discuss the working of superhetrodyne receives
with neat block diagram.
Discuss the characteristics of radio receives.
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