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Final Year of Three Diploma Course in Electronics Engineering

ANNUAL EXAMINATION-2014

Microwave and Rader Engineering(Elective) Paper


Time : 2.30 [Maximum Marks : 50]


Q1) Answer any two parts of the following. [2*5=10]

a) Explain concept of polarization of EM waves.

b) Describe about microwave and its applications.

c) Explain working of Tunnel diode with its application.


Q2) Answer any four parts of the following. [4*3=12]

a) Describe different types of waveguide and their applications.

b) Explain the operation of Directional couplers.

c) Describe the working principle of Microwave system.

d) Explain about the operating principle of MTI Rader.

e) Explain the concept of Fascimile Transmission.


Q3) Answer any three parts of the following. [3*4=12]

a) Describe about Geostationery satellite justify its need.

b) Define the terms : Orbit,Aporgee,Perigee,Fade Morgin.

c) Explain about the operation of LORAN's.

d) Describe the role of Loop Antenna in the direction finding.


Q4) Answer any two parts of the following. [2*4=8]

a) Explain the working of CW Dopple Rader.Give its application.

b) Describe Rader Range equation and give its significance.

c) Explain the concept of Troposcatter lnks.


Q5) Write short notes on any two of the following. [2*4=8]

a) I.L.S

b) Passive and Active Satellites

c) Horn Antenna

d) P.P.I    

ANNUAL EXAMINATION-2014

[Final Year of Three Years Diploma Courses in Instrumentation and Control Engineering]

Time:2.30Hours                                                                                                                         Maximum Marks:50

Process Control (PC)


Q1)Answer any two parts of the following:                         [2×5=10]

a)Describe the principal of operation of PLC.
b) Discuss the P-I-D control action.
c)What is a process? Explain process characteristics.


Q2) Answer any four parts of the following:                        [4×3=12]

a) Differentiate direct acting and reverse acting relays.
b) List advantage of direct digital control.
c) How hydraulic actuators work. Explain briefly.
d) List some popular DCS.
e) What are the elements of preventive maintenance? Discuss briefly.


Q3) Answer any three parts of the following:                       [3×4=12]

a) Explain ON-OFF control action.
b) What are instrumentation amplifier? Explain with diagram.
c) Describe the working of pneumatic controller. How do they differ from hydraulic controller?
d) Write a short note on DDC structure.


Q4) Answer any two parts of the following:                            [2×4=8]

a) List various electronics controller and explain any one of them.
b) Write short note on DDC
c) Discuss the concept and functional requirement of DCS.


Q5) Write short notes on any two of the following:                  [2×4=8]

a) Dead time, process delay.
b) Electric actuators.
c) Flapper-nozzle system. 





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