30+ Amazon Interview Questions and Answers

Effective operational management in manufacturing is crucial to minimize losses and maximize efficiency.

• Efficient production planning and scheduling to avoid downtime and maximize utilization of resources.

• Implementing quality control measures to reduce defects and rework.

• Effective inventory management to prevent overstocking or stockouts.

• Regular maintenance of equipment to prevent breakdowns and production delays.

• Training and development of staff to ensure they have the neces...read more

A Cpk value less than 1 indicates that the manufacturing process is not capable of producing products within specifications consistently.

• A Cpk value less than 1 indicates that the process is not capable of meeting customer requirements consistently.

• It suggests that the process is not stable and may result in a high number of defects or variations.

• Improvements in the manufacturing process are needed to increase the Cpk value above 1 for better scalability.

• Examples of improveme...read more

1 Tr of refrigeration is the amount of heat required to melt 1 ton of ice in 24 hours.

• 1 Tr of refrigeration is equal to 12,000 BTU/hr or 3.517 kilowatts.

• Newtonian fluids have constant viscosity, while non-Newtonian fluids have variable viscosity.

• Psychometric chart is a graphical representation of the thermodynamic properties of air-water mixtures.

• Entropy is a measure of the disorder or randomness in a system, while enthalpy is the total heat content of a system.

• Second law of ...read more

Yes, I have experience handling entire shifts and plants independently. I would create a comprehensive training program for the 500 MP focusing on good manufacturing practices.

• Develop a training curriculum covering key manufacturing processes and best practices

• Conduct hands-on training sessions to demonstrate proper techniques

• Implement regular assessments to track progress and address any gaps in knowledge

• Provide resources such as manuals, videos, and workshops to support ong...read more

Our current manufacturing process involves assembly line production with a focus on efficiency and quality control.

• Our organisation follows a lean manufacturing process to minimize waste and maximize efficiency.

• We have recently merged the packaging and labeling process into one step to streamline production.

• Quality control checks are conducted at multiple stages to ensure product consistency and safety.

• Regular audits are performed to identify areas for improvement and optimiz...read more

Our current organisation manufactures electronic components with specific specifications.

• 1. Receive raw materials from suppliers such as circuit boards, resistors, and capacitors.

• 2. Assemble components according to product specifications using automated machinery.

• 3. Conduct quality control checks at various stages of production to ensure accuracy and functionality.

• 4. Package finished products and prepare for shipment to customers.

• 5. Track inventory levels and reorder supplies...read more

Compressure refers to the act of compressing or applying pressure to something. Working off compressure involves utilizing the energy released from the compression.

• Compressure is commonly used in manufacturing processes to shape materials such as metal or plastic.

• Working off compressure can be seen in various applications such as hydraulic systems, where pressure is used to power machinery.

• Compressure can also refer to the compression of gases, which can be used in refrigerat...read more

I handle 3 manufacturing lines and 5 production processes.

• I handle 3 manufacturing lines

• I oversee 5 production processes

• Examples: Line 1 - Injection Molding, Line 2 - Assembly, Line 3 - Packaging

Yes, I have used Unigraphics CAD and CAM in my past organization. The last version I used was Unigraphics NX 12.

• Yes, I have experience using Unigraphics CAD and CAM in my previous role

• The last version I worked with was Unigraphics NX 12

• I have utilized Unigraphics for designing and manufacturing processes

Yes, I have knowledge of document formulation and handling by QAE.

• Document formulation involves creating, editing, and organizing documents related to manufacturing processes.

• QAE (Quality Assurance Engineer) handles documents by ensuring they meet quality standards, are accurate, and are up to date.

• QAE may also be responsible for reviewing and approving documents before they are used in manufacturing.

• Examples of documents handled by QAE include work instructions, quality cont...read more

Yes, I have experience in making MSDS and HIRA. Various types of losses observed in manufacturing process include material losses, time losses, and quality losses.

• MSDS stands for Material Safety Data Sheet and HIRA stands for Hazard Identification and Risk Assessment.

• Types of losses in manufacturing process include material losses (e.g. scrap, rework), time losses (e.g. downtime, waiting), and quality losses (e.g. defects, rejects).

Takt time is the rate at which a product must be produced to meet customer demand. Bottleneck is a point of congestion in a production system.

• Takt time is calculated by dividing the available production time by the customer demand.

• Bottlenecks can be identified by analyzing the flow of materials and resources through the production system.

• To reduce bottlenecks, solutions such as increasing capacity, improving processes, and eliminating waste can be implemented.

• Reducing takt ti...read more

The total profit in a business where A's share is Rs. 855 and A and B invest in the ratio 3:2, with 5% going to charity, is calculated.

• Calculate the total profit based on A's share and the investment ratio between A and B

• Determine the total profit after deducting 5% for charity

• Use the given information to find the total profit, which is Rs. 1500 in this case

EVA condenser is used in distillation to condense vapors while a filter is used to separate solids from liquids.

• EVA condenser is a type of condenser used in distillation to condense vapors into liquid form.

• Filters are used to separate solids from liquids by passing the mixture through a porous material.

• EVA condenser is used in industries such as pharmaceuticals, petrochemicals, and food processing.

• Filters are used in various applications such as water treatment, air purificat...read more

I'm sorry, but the question is not clear. Could you please rephrase it?

Kebinet is not a known term. A screw is a type of fastener used to join two objects together.

• Kebinet is not a known term in engineering or manufacturing

• A screw is a type of fastener that has a threaded shaft and a head

• Screws are commonly used in construction, woodworking, and metalworking

• Examples of screws include wood screws, machine screws, and sheet metal screws

There are various types of belts used in industries such as V-belts, timing belts, flat belts, etc.

• V-belts are used for high power transmission and have a trapezoidal cross-section

• Timing belts are used for synchronous power transmission and have teeth on the inner surface

• Flat belts are used for low power transmission and have a rectangular cross-section

• Round belts are used for conveying applications and have a circular cross-section

The process of a plant involves several stages from seed to harvest.

• Planting the seed in soil or a growing medium

• Providing adequate water, sunlight, and nutrients

• Germination and growth of the plant

• Pruning and maintenance of the plant

• Harvesting the plant when it reaches maturity

Machining process involves removing material from a workpiece using cutting tools at various stations.

• Machining process is used to create precise and complex shapes in metal, plastic, and other materials.

• It involves cutting, drilling, milling, and turning operations.

• Each station in the process has a specific tool and function, such as roughing, finishing, or drilling.

• Examples of machining stations include lathes, milling machines, and drill presses.

Efficiency of machines and overall plant is crucial for quality output and cost-effectiveness.

• Regular maintenance and calibration of machines

• Optimizing production processes

• Implementing automation and technology upgrades

• Monitoring and analyzing data to identify areas for improvement

• Investing in employee training and development

• Ensuring proper resource allocation and utilization

Detection from CTC salary refers to the process of identifying and addressing any discrepancies or errors in an employee's salary package.

• Detection involves reviewing the components of an employee's CTC (Cost to Company) salary to ensure accuracy.

• Common discrepancies that may be detected include incorrect calculations, missing allowances, or unauthorized deductions.

• Once discrepancies are identified, corrective actions such as salary adjustments or reimbursements may be taken....read more

It is unclear what 4m, 3g, 3m...etc refers to without additional context.

• Without additional context, it is impossible to determine the meaning of this sequence of letters and numbers.

• It could potentially be a code or abbreviation used in a specific industry or field.

• Further information or clarification would be needed to provide a more accurate answer.

There are two main types of compressors for AC: reciprocating compressors and rotary compressors.

• Reciprocating compressors use a piston to compress the refrigerant gas.

• Rotary compressors use rotating blades or vanes to compress the refrigerant gas.

• Examples of reciprocating compressors include piston compressors and scroll compressors.

• Examples of rotary compressors include rotary vane compressors and rotary screw compressors.

The refrigeration cycle is a thermodynamic process that removes heat from a space or substance to lower its temperature.

• The cycle consists of four main components: compressor, condenser, expansion valve, and evaporator.

• The compressor increases the pressure and temperature of the refrigerant gas.

• The high-pressure gas then flows into the condenser where it releases heat and condenses into a high-pressure liquid.

• The liquid refrigerant passes through the expansion valve, which re...read more

The least count of a vernier is the smallest measurement that can be read on the scale.

• The least count is determined by the number of divisions on the main scale and the vernier scale.

• It is calculated by dividing the smallest division on the main scale by the number of divisions on the vernier scale.

• For example, if the smallest division on the main scale is 0.1 mm and the vernier scale has 10 divisions, the least count would be 0.01 mm.

Inventory refers to the stock of goods or materials that a business holds for the purpose of resale or production.

• Inventory includes raw materials, work-in-progress goods, and finished products.

• It is important for businesses to manage their inventory levels to avoid stockouts or overstocking.

• Inventory can be tracked using various methods such as first-in-first-out (FIFO) or last-in-first-out (LIFO).

There are various types of AC compressors used in different applications.

• Reciprocating compressor

• Scroll compressor

• Rotary compressor

• Centrifugal compressor

The formula calculates current (I) in a 3-phase system using power factor (p.f), watts, and voltage.

• The formula is I = watts / (volt * √3 * p.f)

• Make sure to convert all units to the appropriate form before plugging into the formula

• For example, if watts = 1000, volt = 480, and p.f = 0.8, then I = 1000 / (480 * √3 * 0.8)

The power formula in electrical engineering is P = VI * power factor.

• Power (P) is equal to the product of voltage (V), current (I), and power factor (p.f.)

• The power factor accounts for the phase difference between voltage and current in an AC circuit

• For example, if V = 120V, I = 5A, and power factor = 0.8, then P = 120V * 5A * 0.8 = 480W

I am currently living in a spacious apartment with my wife and two children. We enjoy spending quality time together as a family.

• Currently living in a spacious apartment

• Living with wife and two children

• Enjoy spending quality time together as a family

I am currently earning $X as my current CTC and I am expecting a salary of $Y for this role.

• My current CTC is $X.

• I am expecting a salary of $Y for this role.

• I believe my skills and experience justify this salary expectation.

• I am open to negotiation based on the overall compensation package offered.

Brazing is a metal-joining process where a filler metal is heated above its melting point and distributed between two or more close-fitting parts.

• Brazing is used to join different types of metals together.

• The filler metal, known as brazing alloy, has a lower melting point than the base metals being joined.

• The brazing process involves heating the assembly to the brazing temperature and then applying the filler metal.

• The filler metal flows into the joint by capillary action, cr...read more

HP is a unit of power equal to 746 watts.

• HP stands for horsepower, a unit of power

• 1 HP is equal to 746 watts

• Commonly used in the automotive and engineering industries

Prices of procurement refer to the costs associated with acquiring goods or services for a business.

• Prices of procurement can vary based on factors such as quantity, quality, and supplier negotiations.

• It is important for a purchase manager to analyze prices of procurement to ensure cost-effectiveness.

• Examples of prices of procurement include raw materials, transportation costs, and supplier fees.

GRN stands for Goods Receipt Note, a document used to confirm the receipt of goods from a supplier.

• GRN is a document used in the process of receiving goods from a supplier.

• It includes details such as the quantity received, condition of goods, and any discrepancies found.

• GRN is used to update inventory records and initiate the payment process to the supplier.

• It serves as a proof of delivery and receipt of goods.

• Example: A store incharge receives a shipment of products from a s...read more

The least count of VC and MM refers to the smallest measurement that can be accurately read on a Vernier Caliper and Micrometer respectively.

• The least count of a Vernier Caliper is typically 0.02 mm, meaning it can measure to the nearest 0.02 mm.

• The least count of a Micrometer is usually 0.01 mm, allowing for measurements to the nearest 0.01 mm.

• Understanding the least count is important for accurate measurements in quality control processes.