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Electrical Engineer (Qatar Exam) Test-11

20 Questions - Developed by: - Updated on: 2022-05-25 - 1,600 taken - 2 people like it

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?

0.99
0.78
0.85
0.92

2

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

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 have a mild idea about all engineering fields
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:

1.33 Hz
0.67 Hz
1.67 Hz
0.33 Hz

4

I/P side of the GSM network should contain:

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

5

Power consumption in Advanced Embedded can be reduced by using:

Voltage sensing
Pipe Lining
Parallelizing
None of the above

6

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

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

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:

An Object
A Work Package
A Lowest Sub deliverable
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 a 16-bit data path
Floating point multiplier with a 16-bit data path
Floating point multiplier with an 8-bit data path
Fixed point multiplier with an 8-bit data path

10

The fan out of a logic gate is:

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

11

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

Project optimization
Project Control
Project scheduling

12

A 3-phase distribution line conductor configuration is as follows

3.5
4.4
4.0
5.0

13

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

Bid Estimate
Assemblies Estimate
Square Foot Estimate
Rough Order of Magnitude

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
0.1 microV
1.9 microV
1.9 nV

15

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

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 slack bus, and the others are designated as voltage-controlled buses or load buses.
One bus is designated as a load bus, and the others are designated as voltage-controlled buses or slack buses.
One bus is designated as a voltage-controlled bus, and the others are designated as slack buses or load buses.

16

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

Testing Engineer
Research Engineer
Production Engineer

17

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

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

18

The room amplifier in a wireless system amplifies:

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

19

Harmonic currents present in a power system may cause:

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

20

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

Voice grade VHF
Voice grade HF
Narrowband VLF
Wide band UHF

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