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[a].short circuit fault
[b].open circuit fault
Kevinsenzoochieng answered the question on October 21, 2019 at 17:22
- Table 3 below shows a bill of materials used to construct a stabilized dc supply.(Solved)
Table 3 below shows a bill of materials used to construct a stabilized dc supply.
Draw a circuit diagram of the power supply.
Date posted: September 18, 2019. Answers (1)
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(Solved)
Draw a labelled circuit diagram of a PNP transistor amplifier in common base configurations.
Date posted: September 18, 2019. Answers (1)
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Draw a line diagram of a national grid system showing typical voltages at each stage.
Date posted: September 18, 2019. Answers (1)
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Give three reasons why a verification of polarity test is carried out in a completed domestic installation.
Date posted: September 18, 2019. Answers (1)
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List three metal parts that are exempted from earthing in a domestic installation.
Date posted: September 18, 2019. Answers (1)
- Figure 5 shows an RLC circuit.(Solved)
Figure 5 shows an RLC circuit.
Calculate the:
i. Inductive reactance
ii. Capacitive reactance
iii. Circuit impedance
iv. Circuit current
v. Power dissipated in the circuit
Date posted: September 18, 2019. Answers (1)
- State the phase relationship between current and voltage in circuits that are purely:
i. Resistive
ii. Inductive
(Solved)
State the phase relationship between current and voltage in circuits that are purely:
i. Resistive
ii. Inductive
Date posted: September 18, 2019. Answers (1)
- A5000/500V, 10KVA ideal single phase transformer has 40 turns on the secondary. Calculate:
I. primary turns
II. primary full load current
III. secondary full load current(Solved)
A5000/500V, 10KVA ideal single phase transformer has 40 turns on the secondary. Calculate:
I. primary turns
II. primary full load current
III. secondary full load current
Date posted: September 18, 2019. Answers (1)
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Outline three assumptions made in order to consider a transformer as an ideal machine.
Date posted: September 18, 2019. Answers (1)
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State three advantages of toroidal type transformer over shell type transformer.
Date posted: September 18, 2019. Answers (1)
- Figure 4 below shows a block drawn in isometric projection.(Solved)
Figure 4 below shows a block drawn in isometric projection.
Figure 4
Using first angle orthographic projection, draw the following views full size
a) Front elevation in the direction of arrow F
b) End elevation in the direction of arrow E
c) Plan
Date posted: September 18, 2019. Answers (1)
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Name the logic gate shown in figure 3 below.
Figure 3
Name.............
Date posted: September 18, 2019. Answers (1)
- Figure 2 shows a resistor network.(Solved)
Figure 2 shows a resistor network.
Figure 2
Find value of current I
Date posted: September 18, 2019. Answers (1)
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i. Blue Orange Brown Silver
ii. Grey Red Yellow(Solved)
Determine the resistance of each of the following carbon resistors if their colour code is:
i. Blue Orange Brown Silver
ii. Grey Red Yellow
Date posted: September 18, 2019. Answers (1)
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State two factors that determine inductance of a coil.
Date posted: September 18, 2019. Answers (1)
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Name two types of inductor cores.
Date posted: September 18, 2019. Answers (1)
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Describe three characteristics of magnetic lines of force.
Date posted: September 18, 2019. Answers (1)
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List four layout tools used in metal fabrication.
Date posted: September 18, 2019. Answers (1)
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Name the materials used to make the following parts of ac machine in Table 1 and in each case state one reason why the material is used.
b) State three factors to consider when choosing motor for a particular installation.
Date posted: September 18, 2019. Answers (1)
- Sketch and label the schematic diagram of a dc shunt motor connected to a supply.(Solved)
Sketch and label the schematic diagram of a dc shunt motor connected to a supply.
Date posted: September 18, 2019. Answers (1)