Desai Electronics
Incenza Sales And Manufacturing Interview Questions and Answers
Q1. What is difference between grounding and earthing
Grounding is the process of connecting an electrical circuit to the ground, while earthing is the process of connecting a conductive object to the earth.
Grounding is done to protect people and equipment from electrical faults and lightning strikes.
Earthing is done to prevent electric shocks and to ensure the safety of people and equipment.
Grounding is usually done by connecting a wire from the electrical circuit to a grounding electrode, such as a metal rod driven into the gr...read more
Q2. What is star connection and delta connection
Star and delta connections are two types of three-phase circuits used in electrical engineering.
Star connection has a common neutral point and three phases connected to it.
Delta connection has three phases connected in a triangular shape.
Star connection is used for low voltage applications while delta connection is used for high voltage applications.
Star connection provides better safety as the neutral point can be grounded.
Delta connection provides higher power output but is...read more
Q3. What is Vfd? Explain it's main functions
VFD stands for Variable Frequency Drive. It is an electronic device that controls the speed of an AC motor.
VFD is used to save energy by controlling the speed of the motor according to the load.
It can also improve the lifespan of the motor by reducing wear and tear.
VFD can be used in various applications such as pumps, fans, conveyors, and compressors.
It works by converting the incoming AC power to DC and then back to AC at a variable frequency.
VFD can provide precise control...read more
Q4. What are the different types of starters
Starters are devices used to start and control the speed of electric motors.
Direct On-Line (DOL) Starter
Star-Delta Starter
Auto Transformer Starter
Soft Starter
Variable Frequency Drive (VFD)
Q5. How will you find new vendor and negotiate it?
I will research potential vendors, evaluate their offerings, and negotiate favorable terms.
Research potential vendors through online directories, industry events, and referrals
Evaluate vendor offerings based on quality, price, delivery time, and customer service
Negotiate favorable terms by leveraging competition, setting clear expectations, and building relationships
Ensure vendor compliance with company policies and standards
Maintain open communication with vendors to address...read more
Q6. Types of bearing ?
Types of bearings include ball bearings, roller bearings, plain bearings, and fluid bearings.
Ball bearings use balls to reduce friction between two surfaces (e.g. deep groove ball bearings)
Roller bearings use cylindrical rollers to support heavy loads (e.g. tapered roller bearings)
Plain bearings have a simple design with no rolling elements (e.g. bushings)
Fluid bearings use a fluid film to support rotating shafts (e.g. hydrodynamic bearings)
Q7. Types of gears ?
Types of gears include spur gears, helical gears, bevel gears, worm gears, rack and pinion gears, and planetary gears.
Spur gears have straight teeth and are the simplest type of gear.
Helical gears have angled teeth for smoother and quieter operation.
Bevel gears have cone-shaped teeth and are used to change the direction of rotation.
Worm gears have a screw-like appearance and are used for high torque applications.
Rack and pinion gears convert rotational motion into linear moti...read more
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