II B.Tech II Semester Supplementary Examinations, April/May 2005 POWER SYSTEMS-I (Electrical & Electronic Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. Write short notes on:(a) Precipitation (b) Evaporation (c) Storage (d) Pondage 2. Describe the schematic arrangement of a thermal power station and explain the function of each briefly. 3. Explain the functions of Economizer and superheater in a thermal power plant with neat diagrams. 4. (a) Mention the advantages and disadvantages of Nuclear power plants. (b) Name the different types of radiants. Explain any two of them in detail? 5. Explain the following with neat diagrams: (a) AC 3 phase 3 wire distribution system (b) AC 3 phase 4 wire system 6. (a) What is distribution system? How will you classify it? (b) Explain the following: i. Feeder ii. Distributor iii. Service mains 7. (a) What do you understand by the load curve? What information is conveyed by a load curve? A consumer has a maximum demand of 200 kW at 40 % load factor. If the tariff is Rs.1000 per kW of maximum demand plus Rs.2 per kWh, find the overall cost per kWh. (b) Define the following terms: i. ii. iii. iv.
Connected load Maximum demand Demand factor Load factor. 1 of 2
NR
Code No: NR220204
8. (a) Explain the terms interest and depreciation as applied to economics of power generation. (b) A generating station is to supply four regions of load whose peak loads are 10 MW, 5 MW, 8 MW and 7 MW. The diversity factor at the station is 1.5 and the average annual load factor is 60%. Calculate: i. The maximum demand on the station. ii. Annual energy supplied by the station. Suggest the installed capacity and the number of units. ?????
NR220204 II B.Tech II Semester Supplementary Examinations, April ...
Describe the schematic arrangement of a thermal power station and explain the ... (a) Mention the advantages and disadvantages of Nuclear power plants.
(a) Apply the Bresenham's algorithm to turn up pixels along the line segment determined by points (5,7) and (12,11). (b) Give parametric equation of a line ...
error in the reading due to loading effect. 2. (a) Explain in detail the measurement of power using electrodynamometer. (b) Write short notes on watt-hour meter.
8.a) What are the constraints on ROC for various classes of signals in z transform? b) Find the z transform of the sinusoidal signal XT (n)=sin (bn)*uT (n).
(b) Explain about piezo electric transducer? [8] · 8. Write short notes on: · (a) LVDT · (b) Gain and bandwidth of single stage amplifier? (c) Barkhuasen criterion?
1.a) Explain the two waltmeter method of measuring power in 3 S systems (star and ... Discuss in detail about ABCD and hybrid parameters of two-port networks.
COMPUTER GRAPHICS. (Mechatronics). Time: 3 hours ... (a) Entire picture three times as large. (b) Counter clock-wise rotation about the origin, by 90 degrees.
(b) Design a full adder circuit and implement it with only NOR Gate. 5. ... (b) Develop a synchronous three bit up/down counter with a grey code sequence.
Explain load bearing properties of articular cartilage in synovial joints. [16] · 8. Describe the function of ligaments and tendons in normal locomotion. [8+8] · *****.
Write notes on any TWO of the following: · a) · Collison resolution techniques in Hashing b). Spanning trees c). Traversals of a binary tree. @@@@@. OR.
(a) What are the machinery used in a sugar industry? (b) What are units operated by steam in sugar industry. 6. Write on: (a) Raw material requirements for ...
Pascal. 4. Explain different parameter passing and evaluation techniques followed. Demonstrate these concepts with suitable examples. 5.a) What are the ...
(a) Explain the principle and measurement of temperature using a thermocouple. (b) What are ... Explain the principle of an ultrasonic Doppler blood flow meter.
(a) Job order production and batch production system. (b) Mass production and flow production. [4+4+4+4] · 7. DefineâCritical pathâ, âslack timeâand âDummy ...
(b) One bag contains 4 White balls and 3 black balls and a second bag contains 3 ... [8+8] · 3. (a) The amount of bread ( in hundreds of pounds) X that a certain ...
(c) Explain sign conventions of heat and work in thermodynamics. [5+5+6] · 3. (a) State and explain second law of thermodynamics. (b) Define and explain ...
b=4.318 cm is fed by a 4 GHz carrier from a coaxial cable. Determine if a · TE10 mode will be propagated. If so calculate the phase velocity and group · velocity.
(c) An amplifier with voltage gain of 60 decibels uses 0.05 of its output voltage in · negative feedback. Calculate the gain of the feedback amplifier. [6+6+4].
Determine the length of the wire needed if the diameter · of the wire is 0.25 mm. Assuming that the temperature coefficient of resis- · tance of the wire is constant, ...
(b) Draw the block schematic of 4x1 MUX and give its truth table. [6] · 6. (a) Design a full adder with minimum number of NAND gates. [8] · (b) Draw the logic ...