III B.Tech I Semester Supplementary Examinations, November 2006 BASICS OF TELEMATICS (Electronics & Telematics) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ?????
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1. (a) What is multiplexing? What are its advantages and disadvantages?
(b) Compare the advantages and disadvantages of TDM; FDM; CDM and WDM. [6+10]
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2. (a) Discuss the following interface standards.
(b) Explain the principle of signalling on junction lines and trunk lines with necessary diagrams. [8+8] 3. (a) Draw a private automatic branch exchange and explain its functions. List the advantages of digital P B X.
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(b) Draw a call metering circuit diagram and explain how the calls are metered and registered. [8+8] 4. (a) Explain the basic principle of stored program control switching system and its use in electronic exchanges. (b) Discussing the advantages of submarine cable signaling and the transmission of signals in them. [8+8] 5. (a) Distinguish between TD switching and space switching. Draw a schematic for a TD switching unit capable of handling 800 telephone extensions.
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(b) What are transmission bridges? What are their functions? Explain with neat diagram Stone’s and Haye’s bridges. [8+8]
6. (a) Define a packet and packet switching. Explain the different form of routing used in public-packed-switched networks. What are the advantages of packetswitching.
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(b) Explain the concept of internet, its advantages and applications.
[8+8]
7. (a) What is the need of routing in a telephone network. Discuss briefly the various routing techniques. (b) A TDMA system operates at 100 mbps with 2 msec. frame time. Assume all slots of eqal length and a guard time of 1µsec is required between slots. [8+8] i. Compute the efficiency of Communication service for the case of 1,2,5,10,20,50 and 100 slots per frame. 1 of 2
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Code No: NR311702 ii. Graph the above results. 8. Write notes on: (a) Generic Switch (b) RS 449
NR311702 III B.Tech I Semester Supplementary Examinations ...
4. (a) Explain the basic principle of stored program control switching system and its · use in electronic ... a TD switching unit capable of handling 800 telephone extensions. (b) What are ... used in public-packed-switched networks. What are the ...
(b) The ground water level in a deposit of fine sand is 1.5 m below ground level. Above the water table ... is 21 kN/m3. Calculate the total stress, the neutral stress.
(b) Explain the following particle size measurement techniques. i. Sedimentation ... compaction. [6]. (b) Define Sintering and how is it different from hot pressing.
III B.Tech I Semester Supplementary Examinations, November 2005. AERO SPACE ... (b) Maximum energy theory. [16] ... plain with live examples. (b) Write a ...
4. What are the objectives of wage and salary administration function? [4+6+6] · 5. Write short notes on: · [4x4=16] · (a) Speculative purchasing · (b) Rate contract ...
(a) What are the different problems associated with measurement of low resis- · tances. Explain. (b) How these problems are eliminated by using Kelvins double ...
(b) What is score boarding and its use in RISC? [10] · 5. (a) Explain the salient features of Pentium architecture. [6] · (b) Draw the schematic blocks of Floating ...
Which one you are saving by using statistical time-division multiplexing and prove · it. [16M] · 8. Give two full duplex protocols and explain their operation? [16M].
(a) Pattern plating process. (b) Tenting process. [8+8] · 7. (a) Draw the schematic diagram of magnetic amplifier with a center tapped trans- · former and D.C. ...
A reversible engine operating between a reservoir at 600 K and the ambient at- · mosphere at ... Determine the ratio of energy rejected by both the devices to the.
What is degree of reaction of a gas turbine; how it can be controlled, derive its ... A single stage free vortex turbine is designed for zero degree of reaction at root.
(b) Discuss the help of computers in Cardio vascular evaluation in ICU. [8] · 7. Discribe the use of computers for handicapped persons. Give two examples and.
(a) Explain the pre-anesthetic care and preparation undertaken in a hospital. Why it is important? Explain. [8] · (b) How the patients are monitored during surgery ...
III B.Tech I Semester Supplementary Examinations, November 2005. POWER ELECTRONICS · (Electrical & Electronic Engineering) · Time: 3 hours · Max Marks: 80 · Answer any FIVE Questions · All Questions carry equal marks · ***** · 1. (a) Explain the oper
(c) Explain inverted paging method of memory management. [4+4+8] · 4. (a) Explain banker's algorithm for deadlock detection. (b) What are the criteria for a ...
(a) Discuss the path sensitization in a combinational circuit. shown in figure1 · (b) Find the test set to detect A1- SA0 and A1- SA1 faults using Boolean difference.
8. The convolutional encoder is given below Figure1: · Figure 1: ... (b) Construct a code tree for the convolutional encoder for 3-bit input data. [10] · âââââ.
i. plain carbon steel with 4% carbon and 0.8% manganese, ... (a) It is required to design a square key for fixing a gear on a shaft of 30 mm · diameter; to transmit ...
TECHNIQUES OF METAL JOINING · (Metallurgy & Material Technology) · Time: 3 hours · Max Marks: 80 · Answer any FIVE Questions · All Questions carry equal ...
Figure 1 shows two views of a tripod bracket. All connections are pinned. Find · the forces in magnitude and nature in the three memebers due to a vertical load ...
(b) Explain the bridge type of thermocouple arrangement and mention its ... 3. The standard resistor arm of a Wheatstone bridge has a range from 0 to 100 ohm.
