Assistant Engineer 1

10+ Assistant Engineer 1 Interview Questions and Answers

Updated 1 Feb 2025
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Q1. What is the colour aspect through which the train gets the signal,

Ans.

The colour aspect through which the train gets the signal is typically red, yellow, and green.

  • Red signal indicates stop

  • Yellow signal indicates caution

  • Green signal indicates go

  • These signals are used in railway traffic control systems

Q2. what is type of nozzle size of panasonic mounter? how to troubleshooting find our of line..? how many type error come in this mounter?

Ans.

The type of nozzle size for a Panasonic mounter is determined by the specific model. Troubleshooting out of line issues involves checking for calibration errors and mechanical issues. There are various types of errors that can occur in the mounter.

  • Nozzle size for Panasonic mounter varies depending on the model

  • To troubleshoot out of line issues, check for calibration errors and mechanical problems

  • Errors in the mounter can include placement errors, component feed issues, and ma...read more

Q3. Why is route aspect given in home signal?

Ans.

Route aspect is given in home signal to indicate the route set for the train to follow.

  • Route aspect helps the train operator know which track the train is cleared to proceed on.

  • It ensures safe and efficient movement of trains by guiding them along the correct path.

  • Different route aspects may indicate different routes or movements available to the train.

  • Route aspect is crucial for preventing collisions and ensuring smooth traffic flow on the railway network.

Q4. Frequently experience area and reason for leaving

Ans.

Frequently experience area and reason for leaving

  • Frequently experienced area: Electrical engineering

  • Reason for leaving: Seeking new challenges and growth opportunities

  • Example: Frequently experienced area - Power distribution systems

  • Example: Reason for leaving - Limited career advancement

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Q5. what happens when cable is laid

Ans.

When cable is laid, it is typically buried underground or installed overhead to provide electrical or communication connections.

  • Cable is typically laid underground in trenches to protect it from damage and exposure to elements.

  • Overhead cable installation involves attaching the cable to poles or structures above ground.

  • Proper cable laying techniques are essential to ensure safety, reliability, and longevity of the infrastructure.

Q6. what is the logic in railway line

Ans.

The logic in railway line involves the efficient movement of trains on tracks to ensure safety and timeliness.

  • Railway lines are designed to allow trains to travel from one point to another efficiently.

  • Tracks are laid out in a specific pattern to prevent collisions and ensure smooth operation.

  • Signals and switches are used to control the movement of trains and prevent accidents.

  • Schedules and timetables are created to optimize the use of the railway line and minimize delays.

  • Main...read more

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Q7. Which IS code use for taking measurement

Ans.

IS code for taking measurement is IS 1200.

  • IS 1200 is the Indian Standard Code of Practice for measurement of building and civil engineering works.

  • It provides guidelines for taking measurements of various items like earthwork, concrete, brickwork, steelwork, etc.

  • The code also specifies the units of measurement and the method of taking measurements.

  • IS 1200 is widely used in India for measurement of construction works.

  • Other relevant IS codes for measurement include IS 4082, IS 7...read more

Q8. What is track circuit?

Ans.

A track circuit is an electrical circuit used to detect the presence of trains on a railway track.

  • Track circuits are typically installed along railway tracks to monitor the presence of trains by detecting their axles or wheels.

  • They work by sending electrical current through the track and measuring changes in the current flow when a train is present.

  • Track circuits are essential for signaling systems to ensure safe operation and prevent collisions.

  • Examples of track circuit syst...read more

Q9. What is APPAP and NPI &NPD

Ans.

APPAP stands for Advanced Product Quality Planning and NPI & NPD stands for New Product Introduction & Development.

  • APPAP is a structured method of defining and establishing the steps necessary to ensure that a product satisfies the customer.

  • NPI & NPD involves the process of bringing a new product to market, from concept to launch.

  • Both APPAP and NPI & NPD are important in ensuring product quality and successful product development.

  • Examples of companies using these processes in...read more

Q10. What is 5S and TPM What is kaizen

Ans.

5S is a workplace organization method focusing on efficiency and safety. TPM is a maintenance strategy to maximize equipment effectiveness. Kaizen is continuous improvement.

  • 5S stands for Sort, Set in order, Shine, Standardize, Sustain. Example: organizing tools in a designated area.

  • TPM focuses on proactive and preventive maintenance to keep equipment running smoothly. Example: conducting regular inspections and cleaning.

  • Kaizen is a Japanese term for continuous improvement inv...read more

Q11. Charging station for ev vehicle

Ans.

A charging station for EV vehicles is a specialized infrastructure that provides electric power to recharge the batteries of electric vehicles.

  • Charging stations can be installed in public places, workplaces, and homes.

  • They can be either AC or DC charging stations, with different charging speeds.

  • Some charging stations are equipped with additional features, such as payment systems, Wi-Fi, and remote monitoring.

  • Charging stations can be operated by different entities, such as uti...read more

Q12. Different types of Bills.

Ans.

Different types of bills include purchase bills, sales bills, credit bills, debit bills, and proforma invoices.

  • Purchase bills are issued by the seller to the buyer for goods or services purchased.

  • Sales bills are issued by the seller to the buyer for goods or services sold.

  • Credit bills are issued when the buyer is allowed to pay for the goods or services at a later date.

  • Debit bills are issued when the buyer has already paid for the goods or services.

  • Proforma invoices are issue...read more

Q13. Wheatstone Bridge formula

Ans.

The Wheatstone Bridge formula is used to calculate the value of an unknown resistor in a balanced bridge circuit.

  • The formula is: R1/R2 = R3/Rx

  • R1, R2, and R3 are known resistors, and Rx is the unknown resistor

  • The bridge is considered balanced when the ratio of R1 to R2 is equal to the ratio of R3 to Rx

  • The formula can be rearranged to solve for Rx: Rx = (R2 * R3) / R1

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