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The World of Engineers

The World of Engineers is a Platform for Engineers, Researchers and Scientists. It is a Treasure of Conceptual MCQs, Articles, Jobs and Scholarships. Have a look at the following sections.

We are providing you a list of leading and Top substation contractors in KSA with their official website and apply links. If you want to get a job in KSA with high salaries then you are read more

Top Electrical Interview Questions

in this post we are going to explain most Common Electrical engineering interview questions. Why use high-voltage instead of low Voltage for transmission? What are Touch & . read more

Transmission Line Design Points

In this post we are presenting to Transmission lines design important points. These points are from Saudi electricity company’s design, engineering, materials and construction standards. read more

Job Responsibilities of a Proposal Engineer

Below is the list of Top and Best free Electrical Engineering Courses on Coursera. MV Substation – An industrial approach (PART-A) Advanced Study of Protection Schemes and Switchgear.. read more

In this post we are presenting to Transmission lines design important points. These points are from Saudi electricity company’s design, engineering, materials and construction standards. read more

Following are the Contractors who Won Major BSP Projects in 2024 in KSA. Alfanar Construction, SSEM, L&T, NESMA. secured Two major 380kV BSP projects worth a total read more

Latest Electrical MCQs

Q.1 Which loss in a transformer varies significantly with load?

  1. Hysteresis loss
  2. eddy current loss
  3. copper loss
  4. core loss

Ans is C) copper loss

Transformer has two type of major Losses
1. Iron Losses
2. Copper Losses
Iron losses are constant while copper losses are variable with load.
Iron Losses(Pi) = Hysteresis losses(Ph) + Eddy current losses(Pe),
Both Ph and Pe are independent of Load Current i.e. Iron losses are constant with changing load.
Copper losses(Pc) = Conduction losses in winding conductor which are proportional to square of Current

Q.2 For a perfectly matched transmission line, the voltage standing wave ratio is

  1. Zero
  2. Unity
  3. Maximum
  4. Minimum

Ans is b) Unity

When a transmission line load impedance is same as that of the characteristic impedance, the line is said to be matched . In a matched line, maximum transmission occurs. The reflection will be zero. The standing wave ratio S = (1 – R)/(1 + R). For R = 0, the SWR is unity for matched line short circuits, open circuits, and purely reactive loads having infinite VSWR

View More MCQs

Active/Upcoming Scholarships

Khalifa University Graduate Scholarships

Khalifa University is world top-ranked (28th best university in Asia) research-intensive university. Currently 200+ MS and PhD positions are available. Admission has been started and Last date to apply is Sep 15, 2025. IELTS and GRE both are required Read more..

Mohamed bin Zayed University of Artificial Intelligence

Mohamed bin Zayed University of Artificial Intelligence is one of the highest paying scholarships institute that offers scholarships in Computer vision, Natural Language Processing and Machine Learning fields. Admissions will start from Sep 1, 2025. IELTS is Mandatory while GRE is not required Read more..

Go to Scholarship Page

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