APL Apollo Tubes Design Engineer Interview Questions and Answers

Q1. What are your salary expectations?
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Q2. Any questions hr team
Ans. My contact no not any time network area ple msg me
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Diploma

Q1. What are your salary expectations?
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Q1. What is proxy? what is smps? what is encoder? Star delta working
Ans. 
Proxy is an intermediary server that acts as a gateway between clients and servers. SMPS is a power supply unit that converts AC to DC. Encoder is a device that converts motion into digital signals. Star delta is a method of starting three-phase motors.
• Proxy helps in hiding the identity of clients and servers.

• SMPS is commonly used in computers and other electronic devices.

• Encoders are used in robotics, automation, and ...read more
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Q1. Difference between pressure relief valve and pressure reducing valve.
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Pressure relief valve releases excess pressure to prevent damage, while pressure reducing valve reduces pressure to a desired level.
• Pressure relief valve is used to protect equipment from overpressure by releasing excess pressure to the atmosphere.

• Pressure reducing valve is used to reduce the pressure of a fluid to a desired level in a system.

• Pressure relief valves are typically found in systems where pressure buildup ...read more
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Q2. Advantage of hyd piston pump over fixed displacement vane pump.
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Hydraulic piston pumps offer higher efficiency, variable flow rates, and better control compared to fixed displacement vane pumps.
• Hydraulic piston pumps have higher efficiency due to their ability to vary flow rates based on demand, reducing energy consumption.

• Piston pumps provide better control over fluid flow and pressure, making them suitable for applications requiring precise operation.

• Piston pumps are more durable...read more
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Q1. Related to job profile.
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Q1. Can we use TIA Portal in S7-300 cpu?
Ans. 
No, TIA Portal is not compatible with S7-300 CPU.
• TIA Portal is designed for newer Siemens PLCs like S7-1200 and S7-1500, not S7-300.

• For S7-300 CPUs, Step 7 software should be used for programming.

• TIA Portal offers advanced features like integrated safety, motion control, and HMI design.

• S7-300 CPUs are older models with limited capabilities compared to newer PLCs.
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Q2. Difference between encoder and resolver?
Ans. 
Encoder provides digital output while resolver provides analog output.
• Encoder converts mechanical motion into digital signals, resolver converts mechanical motion into analog signals.

• Encoder is more accurate and provides higher resolution compared to resolver.

• Resolver is more robust and reliable in harsh environments due to lack of sensitive electronics.

• Examples: Encoder - optical encoder, magnetic encoder. Resolver -
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Q1. Salary negotiations...
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