Gulf Industrial Services Company Interview Questions and Answers

Q1. What is the transformer?
Ans. 
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers are used to increase or decrease voltage levels in electrical circuits.

• They consist of two coils of wire, known as the primary and secondary coils.

• The primary coil is connected to the input voltage source, while the secondary coil is connected to the output load.

• Transformers...read more
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Q2. What is the UPS?
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UPS stands for Uninterruptible Power Supply, a device that provides emergency power to a load when the input power source fails.
• UPS ensures continuous power supply during power outages or fluctuations

• It typically consists of a battery, inverter, and charger

• Commonly used in data centers, hospitals, and critical infrastructure

• Examples include APC, CyberPower, and Eaton UPS systems
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Q3. What is MCB ?
Ans. 
MCB stands for Miniature Circuit Breaker, a device designed to protect electrical circuits from overloads and short circuits.
• MCB is a type of circuit breaker that automatically switches off electrical circuits during abnormal conditions like overload or short circuit.

• It is commonly used in residential and commercial electrical installations to protect electrical equipment and prevent electrical fires.

• MCBs are available...read more
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Q4. Current and Voltage difference?
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Current is the flow of electric charge, measured in Amperes, while voltage is the force that drives the current, measured in Volts.
• Current is the rate of flow of electric charge in a circuit.

• Voltage is the electrical potential difference that drives the current.

• Current is measured in Amperes (A) while Voltage is measured in Volts (V).

• Ohm's Law relates current, voltage, and resistance: V = I * R.
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Q5. What is the CT AND PT?
Ans. 
CT and PT are electrical devices used in power systems to measure current and voltage respectively.
• CT stands for Current Transformer and is used to measure high currents by stepping down the current to a lower value.

• PT stands for Potential Transformer and is used to measure high voltages by stepping down the voltage to a lower value.

• CTs and PTs are commonly used in power distribution systems to provide accurate measure
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Q6. What is the last rating MCB hou to the amps
Ans. 
The last rating MCB can go up to 125 amps.
• The last rating MCB can typically go up to 125 amps.

• MCBs are available in various ratings such as 6A, 10A, 16A, 32A, 63A, and 125A.

• The rating of an MCB determines the maximum current it can safely handle before tripping.

• For higher current requirements, larger MCBs or other protective devices like MCCBs may be used.
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They give some topics related to present situation like in my GD in 2020 co. HR give topics related to that situation in our country like difference between offline education and online education system. and covid-19 pandemic related topics.

Q1. Tell me About your self ?
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Q2. What do you know about this job position ?
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Q3. What is your favourite colour ? Can i know the speciality of your favourite colour ?
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Q4. Who inspired you to go to job daily and work hard ?
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Q1. All types of test steeps
Ans. 
Types of test steps in software testing
• Unit testing - testing individual units or components of the software

• Integration testing - testing how different units or components work together

• System testing - testing the entire system as a whole

• Acceptance testing - testing if the software meets the requirements and is ready for release

• Regression testing - testing to ensure that changes or updates to the software did not intro...read more
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