El Seif Engineering Contracting Electrical Supervisor Interview Questions and Answers

Q1. How to convert from A.C to D.c. Supply
Ans. 
A.C to D.C. conversion can be done using a rectifier circuit.
• A rectifier circuit can be used to convert A.C. to D.C.

• The rectifier circuit can be half-wave or full-wave.

• Half-wave rectifier only allows half of the A.C. wave to pass through, while full-wave rectifier allows the entire wave.

• The rectifier circuit can be made using diodes.

• The output of the rectifier circuit is not smooth and requires filtering using capacito...read more
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Q1. I am General Electrician
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Q2. I am General Electrician 5 years Experience in this field
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Q3. I am General Electrician 5 years Experience in this field
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Q1. I am Electrician 5 years Experience in this field
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Q1. 2 vey Waring and db dressing
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Q2. Bell suich waeye ring
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Q3. Tyublith 2veye suich Bell suich
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Q4. 3 phese mituer 1 phesemeter tyublith Bell suich 2 veyeWaring as and house Aall vayering
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Q5. Ok done I'mready
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Q1. What is the concept of lap length in reinforced concrete structures?
Ans. 
Lap length is the overlap length required for joining two reinforcing bars in concrete structures to ensure structural integrity.
• Lap length is essential to transfer stress between overlapping bars effectively.

• Typically, lap length is calculated as a multiple of the bar diameter, often 40 times the diameter for tension bars.

• In seismic zones, longer lap lengths may be required to accommodate dynamic loads.

• For example, if...read more
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Q2. What is the method for determining the field density of soil?
Ans. 
Field density of soil is determined using methods like the sand cone test, nuclear density gauge, and rubber balloon method.
• Sand Cone Test: Involves excavating a small hole, filling it with sand, and measuring the volume of sand used to determine density.

• Nuclear Density Gauge: Uses radioactive isotopes to measure the density of soil in place, providing quick results.

• Rubber Balloon Method: A balloon is inserted into a h...read more
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Q1. Cable laying process
Ans. 
The cable laying process involves planning, trenching, installation, and testing for effective electrical distribution.
• Planning: Assess the route and determine cable type based on load requirements.

• Trenching: Excavate the ground to lay cables, ensuring proper depth and width.

• Installation: Place cables in trenches, using protective conduits if necessary.

• Backfilling: Cover the cables with soil, ensuring no sharp objects ...read more
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Q2. Transformers testing
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Q3. Oil filtration process
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Q1. How many Year experience
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Salary discusses boss and hr