Nspire Automation Backend Developer Interview Questions and Answers

They asked me to solve 6 coding questions in one hour which doesn't make any sense.

Q1. Implement method chaining in JS
Ans. 
Method chaining allows calling multiple methods on the same object in a single line.
• Create a class with methods that return 'this' to enable chaining

• Each method should modify the object's state and return 'this'

• Example: class Calculator { add(num) { this.result += num; return this; } }

• Example: const calc = new Calculator(); calc.add(5).add(3);
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Q1. Tell me about your work experience
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Q2. What's the new VRF tech in Daikin
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Q3. Ikwtr comparison for chiller and vrf
Ans. 
Chiller and VRF systems differ in their cooling capacity, efficiency, and cost.
• Chillers are better suited for large commercial buildings with high cooling loads.

• VRF systems are more efficient and cost-effective for smaller buildings or individual rooms.

• Chillers use water as a cooling medium, while VRF systems use refrigerant.

• Chillers require more maintenance and have a longer lifespan than VRF systems.

• VRF systems offer...read more
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Q1. How would you handle different meetings at a time.
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Why are you looking for a change?
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Q1. SMT production planning
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Q2. SMT prosser manpower handling
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Q1. Introduction, jobs & responsibility
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Q1. As per CV all question
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Q1. Once again introduction, pervious company details information & salary discussion
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Q1. Background experience
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Q1. About myself and family
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Related to dbms,os,networking

Q1. Basics of computer science
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Q2. Introduce yourself, about family etc..
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Q3. What is unix shell
Ans. 
Unix shell is a command-line interpreter that provides a user interface for interacting with the operating system.
• It is a program that takes commands from the keyboard and gives them to the operating system to perform.

• It allows users to execute commands, run scripts, manage files, and perform various other tasks.

• Common Unix shells include Bash, Zsh, and Ksh.

• Shell scripting is a powerful tool for automating tasks and wr
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Q4. Python basics such as list, tuples
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Q5. Why should we hire you
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Q1. Diff btw plc and safety plc
Ans. 
PLC is used for general automation while safety PLC is specifically designed for safety-critical applications.
• PLC is used for controlling machinery and processes in industrial automation.

• Safety PLC is designed to meet safety standards and regulations for critical applications.

• Safety PLCs have built-in safety functions like monitoring input signals for safety-critical devices.

• PLCs are more cost-effective for general aut...read more
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Q2. Diff btw dcs and safety plc
Ans. 
DCS is used for continuous control of processes, while safety PLC is used for emergency shutdown and safety functions.
• DCS (Distributed Control System) is used for continuous control and monitoring of processes in industries like oil & gas, power plants, and chemical plants.

• Safety PLC (Programmable Logic Controller) is specifically designed for safety-critical applications, such as emergency shutdown systems and safety ...read more
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Q1. Process Control Instrumentation
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Q2. Field Instrumentation
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