Neel Metal Products Electrical Maintenance Technician Interview Questions and Answers

Q1. How many types of statars
Ans. 
There are two main types of stators: salient pole stators and non-salient pole stators.
• Salient pole stators have protruding poles, which are commonly used in hydroelectric generators.

• Non-salient pole stators have a smooth cylindrical shape and are typically used in gas and steam turbines.

• Other types of stators include wound stators and squirrel cage stators.
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Q2. Draw u dol diagram
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A u dol diagram is a type of electrical diagram used to represent a three-phase transformer connection.
• A u dol diagram consists of three sets of windings connected in a U shape, with the primary winding connected to the supply and the secondary winding connected to the load.

• The diagram shows the connections of the primary and secondary windings, as well as the neutral point if applicable.

• U dol diagrams are commonly use...read more
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Q3. How many types of motor s
Ans. 
There are two main types of motors: AC motors and DC motors.
• AC motors: Alternating current motors that are commonly used in household appliances and industrial applications.

• DC motors: Direct current motors that are often used in small household devices, electric vehicles, and robotics.
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Q1. Define capacitor, how to work capacitor, define transistor and working principle, veriable frequency drive working principle
Ans. 
A capacitor is an electronic component that stores and releases electrical energy. A transistor is a semiconductor device that amplifies or switches electronic signals. A variable frequency drive is an electronic device that controls the speed of an electric motor.
• A capacitor is used to store and release electrical energy.

• It consists of two conductive plates separated by an insulating material called a dielectric.

• When ...read more
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Q1. How to change ac to dc current in dc motor,and how to work commutator,how many types dc machine and some explained in detail
Ans. 
To change AC to DC current in a DC motor, a rectifier is used. The commutator in a DC motor helps in converting the current direction.
• AC to DC conversion in a DC motor is achieved using a rectifier.

• The rectifier converts the alternating current (AC) into direct current (DC) by using diodes.

• The commutator in a DC motor is a rotary electrical switch that helps in reversing the direction of current flow in the armature wi...read more
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Q1. What is electricity ?
Ans. 
Electricity is the flow of electric charge through a conductor.
• Electricity is the flow of electrons through a conductor.

• It is a form of energy that powers electrical devices.

• Electricity can be generated from various sources such as coal, wind, solar, etc.

• It is essential for modern society and is used in various applications like lighting, heating, and transportation.
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Q1. Stacker,wagan tripple
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Q2. Paddel feeder & belt feeder
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Q3. Electrical & instrument
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Q4. Conveyor belt line
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Q5. Motor maintenance
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Q6. Conveyor safety
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Q7. Stacker & wagon tippler
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Q1. Motor ,transformar ,light ,panel
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Q2. Motor, transformar, light and panel
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Q3. Motor , transformar
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Q4. Transformar ,light
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Q1. AC and DC both are dengerous but AC more dengerous
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Q2. AC and DC both are dengerous but AC sine vev AC dengerous
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Q3. RCB to tha circuit breaker
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Q1. MCB in circuit breaker
Ans. 
MCB stands for Miniature Circuit Breaker, which is an electrical switch designed to protect electrical circuits from damage caused by overload or short circuit.
• MCB is a type of circuit breaker that automatically switches off the electrical circuit when it detects an overload or short circuit.

• It is commonly used in residential and commercial buildings to protect electrical appliances and wiring.

• MCBs have a trip mechanis...read more
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Motor kaise check karte h?
Cabale ka size kaisa hota h?
Mageer kya hota h?
Dol startater kaise banaye ?
Aur startater ka kya kam hota h?
Mpcb ka full form kya h?

Q1. Encoder kya kam karta h? MTS ka kya kam hota h? Motor ka current kaise nikate h? Agar motor burn ho to kaise pta karenge?
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Q1. Cabel size kaise pata karen? Motor ko bina stater ke chalane se kya hoga?
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