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Material, sensor and switchgear selection are crucial for design engineering.
Material selection depends on factors like strength, durability, cost, and environmental impact.
Sensor selection depends on the type of data required, accuracy, and operating conditions.
Switchgear selection depends on the electrical load, voltage, and current rating.
Examples of materials: steel, aluminum, plastic, composite materials.
Examples ...
Selection process involves screening resumes, conducting interviews, and evaluating candidates based on skills and qualifications.
Screening resumes to shortlist candidates
Conducting interviews to assess skills and qualifications
Evaluating candidates based on their performance in interviews
Checking references and conducting background checks
Making an offer to the most suitable candidate
30 min, basics of automations
Types of conveyors include belt conveyors, roller conveyors, chain conveyors, screw conveyors, and pneumatic conveyors.
Belt conveyors are used to transport materials horizontally or on an incline.
Roller conveyors use rollers to move materials along a path.
Chain conveyors use chains to move materials.
Screw conveyors use a rotating helical screw blade to move materials.
Pneumatic conveyors use air pressure to transport ma
There are three main types of lubrication: boundary, mixed, and hydrodynamic.
Boundary lubrication occurs when there is direct contact between two surfaces, with a lubricant film preventing metal-to-metal contact.
Mixed lubrication involves a combination of boundary and hydrodynamic lubrication, with some direct contact and some separation between surfaces.
Hydrodynamic lubrication occurs when a thick film of lubricant co...
I applied via Naukri.com and was interviewed in Apr 2022. There were 2 interview rounds.
PARI ROBOTICS interview questions for popular designations
I applied via Recruitment Consultant and was interviewed in Feb 2021. There was 1 interview round.
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Baud rate is the rate at which data is transmitted over a communication channel.
Baud rate is measured in bits per second (bps).
Higher baud rates allow for faster data transmission.
Baud rate must be set the same on both ends of the communication channel.
Incorrect baud rate settings can result in data corruption or loss.
Examples of communication channels that use baud rate include UART, SPI, and I2C.
I2C is a serial communication protocol used to connect multiple devices with two wires. Pull-up resistors are necessary for proper communication.
I2C uses a master-slave architecture where the master initiates communication.
Each device on the bus has a unique address assigned to it.
Data is transmitted in packets with a start and stop bit.
Pull-up resistors are necessary to ensure proper voltage levels on the bus.
The valu...
The difference between == and === is that == compares the values of two variables, while === compares both the values and the data types.
The == operator performs type coercion, meaning it converts the operands to a common type before comparison.
The === operator does not perform type coercion and requires both the values and the data types to be the same for a true comparison.
For example, 1 == '1' returns true because t...
I applied via Company Website and was interviewed in Nov 2022. There were 2 interview rounds.
A fuse is an electrical safety device that protects electrical circuits from overloading and short circuits. Its maximum rating depends on the application.
A fuse contains a metal wire or filament that melts when the current exceeds a certain level, breaking the circuit and preventing damage to the equipment or wiring.
Fuses are rated based on their current-carrying capacity and voltage rating.
Examples of fuse ratings in...
Relays are electrically operated switches used to control circuits. There are several types of relays.
Electromechanical relays use a coil to create a magnetic field that pulls a switch to make or break a circuit.
Solid-state relays use semiconductor devices to switch the circuit on and off.
Reed relays use a magnetic field to control the switch.
Polarized relays have a specific polarity and can only be used in one directi...
I applied via Campus Placement and was interviewed in Aug 2023. There were 2 interview rounds.
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