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Electrical Engineer (Qatar Exam) Test-11

20 Questions - Developed by: - Updated on: 2022-05-25 - 648 taken

Qatar engineering registration exam preparation

1

Two circuit components of reliability R1 = 0.92 ohms and R2 = 0.85 ohms. If anyone of the circuit components fails circuit works perfect. What is the combination of reliability of both the components?

0.85
0.92
0.99
0.78

2

Considering the interdisciplinary nature of engineering projects currently, which of the below is true:

Engineers should have a mild idea about all engineering fields
Engineers should be well trained in multiple engineering fields
Engineers from a specific field should seek assistance from the specialized engineers in different field
Engineers should be well trained in one specific field of engineering only

3

In 50hz induction machine, if the no load speed is 2900 RPM, the slip frequency is:

0.33 Hz
1.67 Hz
1.33 Hz
0.67 Hz

4

I/P side of the GSM network should contain:

Low Pass Filter
Band Pass Filter
None of the above
High Pass Filter

5

Power consumption in Advanced Embedded can be reduced by using:

Pipe Lining
Parallelizing
Voltage sensing
None of the above

6

Which of the below device is faster and consumes less power in large scale projects?

DSP (Digital Signal Processing)
ASIC (Application Specific Integrated Circuit)
Microcontroller
FGPA (Field Programmable Gate Array)

7

The highest element in the hierarchical breakdown of the WBS is:

Work package
Deliverables
The project
A cost accounts

8

The lowest element in the hierarchical breakdown of the WBS is:

A Lowest Sub deliverable
A Work Package
An Object
A Cost Account

9

A Digital Signal Processor (DSP) is designed to perform FFT operations for a digital oscilloscope that utilizes a 12-bit A/D converter, the most cost effective ALU architecture for this CPU is a:

Fixed point multiplier with an 8-bit data path
Fixed point multiplier with a 16-bit data path
Floating point multiplier with an 8-bit data path
Floating point multiplier with a 16-bit data path

10

The fan out of a logic gate is:

The number of gates in parallel with it
It's propagation delays.
The number of gates connected to its output.
The number of gates connected to its input.

11

Splitting project into tasks and estimate time and resources required to complete each task is called:

Project scheduling
Project Control
Project optimization

12

A 3-phase distribution line conductor configuration is as follows

4.4
4.0
3.5
5.0

13

Which of the estimates listed would occur last in project time line?

Assemblies Estimate
Rough Order of Magnitude
Square Foot Estimate
Bid Estimate

14

Given data is
Ambient Temperature is 65⁰C (k value is 1.38 x 10-23)
Frequency is 10 kHz
Resistance is 100 Ohms
Formula is given as hint Vnoise = root over 4kTR (BW-f):

1.0 nV
1.9 nV
0.1 microV
1.9 microV

15

In conducting a power-flow (or load flow) study using conventional iterative calculation, which of the following statements is most nearly correct?

One bus is designated as a slack bus, and the others are designated as voltage-controlled buses or load buses.
One bus is designated as a voltage-controlled bus, and the others are designated as slack buses or load buses.
There may be any number of slack buses, voltage-controlled buses, and load buses designated, as long as they total the number of buses in the network.
One bus is designated as a load bus, and the others are designated as voltage-controlled buses or slack buses.

16

Which of the following engineer do the tests for the reliability and sustainability?

Research Engineer
Production Engineer
Testing Engineer

17

Which one of the following is not correct based on Ohm’s Law?

Potential / Current = Constant
Potential = Current x Resistance
Current / Potential = Constant
Current = Potential x Resistance

18

The room amplifier in a wireless system amplifies:

The modulated signal only
The encoded and modulated signal
The received signal
The baseband signals

19

Harmonic currents present in a power system may cause:

Malfunctioning of the control and regulating circuits
Excessive heating
Resonance
All of the above

20

A certain communication signal uses a bandwidth BW of 2kHz. What is the classification of this signal?

Voice grade HF
Narrowband VLF
Voice grade VHF
Wide band UHF

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