SND IN (P/T)
TIME ALLOWED: 3 HOU
CTIONS There should be no other jottings, writing or inscript...
Engineering, 15.12.2020 02:50 michaeladkins1979
SND IN (P/T)
TIME ALLOWED: 3 HOU
CTIONS There should be no other jottings, writing or inscription on this question paper exe
vil registration number.
ATTEMPT FIVE QUESTIONS
What is source transformation in electric circuit?
With the aid of diagrams and equations, explain two conditions under which figures 1 and 2
n be equivalent.
source transformation technique, find Vo in figure 3.
(811
(10
602
R
Fig. 2.
a
Is
8.02
6A
1602
V.
o
With the aid of diagram and equation, state and explain the two Kirchhoff's laws in details. (IC
Applying Kirchhoff's laws, find all the branch currents in the circuit of figure 4.
1H
15002
VOS
Answers: 2
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The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false
Answers: 2
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An engine runs on the ideal diesel cycle. the cycle has a compression ratio of 20 and a cutoff ratio of 2. the highest temperature in the cycle is 1200 k. if the heat into the system is 300 kj/kg of working fluid and using variable specific heats determine the work produced per mass of working fluid
Answers: 3
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Atank with constant volume contains 2.27 kg of a mixture of water phases (liquid-vapor). in the initial state the temperature and the quality are 127 °c and 0.6, respectively. the mixture is heated until the temperature of 160 oc is reached. illustrate the process in a t-v diagram. then, determine (1) the mass of the vapor in kg at the initial state, (2) the final pressure in kpa.
Answers: 3
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