Neilsoft Interview Questions, Process, and Tips

Q1. Working principle of induction motor
Ans. 
Induction motors work on the principle of electromagnetic induction to generate rotating magnetic fields.
• Induction motors have a stator with a set of windings that are connected to an AC power source.

• When the AC power is applied, it creates a rotating magnetic field in the stator.

• This rotating magnetic field induces currents in the rotor bars, causing it to rotate.

• The rotor never catches up to the speed of the rotating...read more
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Q2. What is illumination?
Ans. 
Illumination refers to the amount of light present in a space, measured in lux or foot-candles.
• Illumination is crucial for visibility and safety in indoor and outdoor environments.

• It is measured using units such as lux or foot-candles.

• Proper illumination levels are important in workplaces, homes, and public spaces.

• Examples of illumination sources include natural light, light fixtures, and streetlights.
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Q3. What is switch gear ? And it's application
Ans. 
Switch gear is a combination of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment.
• Switch gear is used to control the flow of electricity in a power system.

• It is essential for protecting electrical equipment from damage due to overloads or short circuits.

• Common applications of switch gear include power distribution, industrial plants, and electrical subst
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Q4. Types of Transformer
Ans. 
Transformers are classified based on their construction, cooling methods, and voltage levels.
• Based on construction: Core type and Shell type transformers

• Based on cooling methods: Oil immersed, Dry type, and Water cooled transformers

• Based on voltage levels: Step-up and Step-down transformers

• Examples: Distribution transformer, Power transformer, Auto transformer
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Basic structural knowledge required

Q1. What is mean by sc connection
Ans. 
SC connection refers to a type of fiber optic connector commonly used in networking.
• SC stands for Subscriber Connector or Standard Connector.

• It is a type of fiber optic connector with a push-pull locking mechanism.

• SC connectors are used in networking applications for connecting fiber optic cables.

• They are easy to install and provide reliable connections.

• SC connectors are commonly used in data centers, telecommunication...read more
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Q2. What is connection types
Ans. 
Connection types refer to the different ways devices can connect to each other or to a network.
• Wired connections (e.g. Ethernet, USB)

• Wireless connections (e.g. Wi-Fi, Bluetooth)

• Cellular connections (e.g. 4G, 5G)

• Satellite connections

• Fiber optic connections
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Electrical based aptitude

Q1. They will ask the question related to the your field
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Q2. What is tranformer
Ans. 
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Consists of two coils of wire, known as primary and secondary windings

• Primary winding receives electrical energy and induces a magnetic field

• Magnetic field then transfers energy to secondary winding

• Used to step up or step down voltage in electrical systems

• Commonly used in power distribution systems
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Q3. What is induction motor
Ans. 
An induction motor is a type of AC motor where power is supplied to the rotor by electromagnetic induction.
• Consists of a stator and a rotor

• Does not require any physical connection between the rotor and the stator

• Commonly used in household appliances, industrial machinery, and electric vehicles
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Q4. Types of ac motors
Ans. 
Types of AC motors include induction motors, synchronous motors, and single-phase motors.
• Induction motors: most commonly used type, work on the principle of electromagnetic induction

• Synchronous motors: maintain constant speed with the help of external DC supply

• Single-phase motors: used in household appliances, have a single-phase power supply
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Q5. Types of induction motor
Ans. 
Types of induction motors include single-phase, three-phase, squirrel cage, and wound rotor motors.
• Single-phase induction motor: used in household appliances and small industrial applications

• Three-phase induction motor: most commonly used in industrial settings for their efficiency and reliability

• Squirrel cage induction motor: simple and rugged design, widely used in various applications

• Wound rotor induction motor: all...read more
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Quantitative Apptitude

Q1. How find xpath in automation
Ans. 
Xpath can be found in automation by inspecting the HTML code of the webpage and using browser developer tools.
• Inspect the HTML code of the webpage to identify unique attributes of the element you want to locate

• Use browser developer tools to test and validate the xpath expression

• Consider using relative xpath for better maintainability

• Avoid using absolute xpath as it can be brittle and prone to breaking with changes in t
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Q2. Testcases testscenario
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Q1. Basics of Android
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