20+ Parexel International Interview Questions and Answers

Adding petrol in diesel engine or vice versa can cause serious damage to the engine.

• Petrol in diesel engine can cause damage to fuel pump and injectors

• Diesel in petrol engine can cause damage to spark plugs and catalytic converter

• It is important to drain the fuel tank and flush the system if wrong fuel is added

• Prevention is better than cure, always double check before refueling

Hardness is the resistance of a material to indentation, while toughness is the ability of a material to absorb energy without fracturing.

• Hardness is a measure of a material's ability to resist deformation under an applied force.

• Toughness is a measure of a material's ability to absorb energy before fracturing.

• Hardness is often measured using the Mohs scale, while toughness is measured using impact tests.

• A diamond is very hard but not tough, while rubber is tough but not hard.

Diesel engines have higher compression ratios and are more fuel-efficient than gasoline engines.

• Diesel engines compress air to a higher degree than gasoline engines, resulting in higher compression ratios.

• Higher compression ratios lead to better fuel efficiency and more power.

• Gasoline engines use spark plugs to ignite the fuel, while diesel engines use compression to ignite the fuel.

• Diesel engines are typically more expensive to manufacture than gasoline engines.

Fe-C equilibrium diagram shows the phases of iron-carbon alloys at different temperatures and compositions. Eutectic alloy is 4.3% carbon.

• Fe-C equilibrium diagram is a graphical representation of the phases of iron-carbon alloys at different temperatures and compositions.

• It shows the transformation of austenite to ferrite and cementite as the carbon content decreases.

• Eutectic alloy is the composition at which the liquid phase transforms into two solid phases at a specific tem...read more

Engine power is the ability of an engine to do work. A 4-stroke engine is more efficient than a 2-stroke engine due to its better combustion process and reduced fuel consumption.

• Engine power refers to the ability of an engine to produce work, typically measured in horsepower or kilowatts.

• In a 4-stroke engine, the power is generated over four strokes of the piston: intake, compression, combustion, and exhaust.

• The 4-stroke engine has a more efficient combustion process as it al...read more

TPM aims to maximize equipment effectiveness through proactive maintenance strategies. MTBF is Mean Time Between Failures. KPIs are key performance indicators. Sealed quench furnace temperature varies based on process requirements.

• TPM aims to minimize equipment downtime and maximize productivity through proactive maintenance strategies

• MTBF is a measure of the average time between failures of a system or component

• KPIs are performance metrics used to evaluate the success of an ...read more

Explanation of engine and its principle, piston work, and difference between two and four stroke engines.

• An engine is a machine that converts fuel into mechanical energy.

• The principle of an engine is based on the conversion of heat energy into mechanical energy.

• Piston is a component of an engine that moves up and down in a cylinder.

• In an engine, the piston compresses the fuel-air mixture, which is then ignited by a spark plug.

• The difference between two-stroke and four-stroke ...read more

The least count of a vernier caliper 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 as the difference between one smallest division on the main scale and one division on the vernier scale.

• For example, if the main scale has divisions of 1 mm and the vernier scale has 10 divisions that cover 9 main scale divisions, the least count would be 0.1 mm.

Quality assurance is the process of ensuring that products or services meet specified requirements and standards.

• Quality assurance involves establishing and implementing processes to prevent defects and errors.

• It includes activities such as planning, designing, and executing tests to verify product quality.

• Quality assurance also involves monitoring and evaluating processes to identify areas for improvement.

• Examples of quality assurance techniques include statistical process c...read more

Least count of Micrometre is 0.01 mm

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

• For a standard micrometer, the least count is typically 0.01 mm or 0.001 inches.

• This means that the micrometer can measure to the nearest 0.01 mm or 0.001 inches.

The office of DGFT is located in New Delhi, India.

• The office is located in Udyog Bhawan, New Delhi.

• DGFT stands for Directorate General of Foreign Trade.

• It is responsible for implementing the foreign trade policy of India.

• The office deals with matters related to exports and imports.

• It also issues various licenses and certificates for import and export.

• The office has regional offices in different parts of India.

Yes, I have knowledge of SAP

• I have experience working with SAP modules such as FI/CO, MM, and SD

• I have completed SAP certification courses

• I have worked on SAP implementation projects for clients

• I am familiar with SAP's user interface and reporting tools

Quality is the measure of excellence or superiority of a product or service.

• Quality is meeting or exceeding customer expectations.

• It involves consistency, reliability, and conformance to requirements.

• Quality can be subjective and may vary depending on the context.

• Examples include a defect-free product, timely delivery, and excellent customer service.

IATF stands for International Automotive Task Force.

• IATF is a group of automotive manufacturers and their respective trade associations, formed to provide improved quality products to automotive customers worldwide.

• IATF develops and maintains the ISO/TS 16949 standard, which is a common automotive quality system requirement based on ISO 9001.

• Companies in the automotive industry often seek IATF certification to demonstrate their commitment to quality and continuous improvement...read more

CIF stands for Customer Information File.

• CIF is a unique number assigned to each customer by a bank or financial institution.

• It contains all the personal and financial information of the customer.

• CIF is used by banks to track the customer's account and transaction history.

• It is also used for KYC (Know Your Customer) verification.

• CIF can be accessed by the customer through net banking or by visiting the bank branch.

IATF clauses are specific requirements outlined in the IATF 16949 standard for automotive quality management systems.

• Clause 4 - Context of the organization

• Clause 5 - Leadership

• Clause 6 - Planning

• Clause 7 - Support

• Clause 8 - Operation

• Clause 9 - Performance evaluation

• Clause 10 - Improvement

Progressed from technician to senior manager through dedication and hard work

• Started as a maintenance technician at XYZ Company

• Consistently demonstrated strong technical skills and leadership abilities

• Promoted to maintenance supervisor after 3 years

• Led a team of technicians and improved maintenance processes

• Promoted to senior manager maintenance after 5 years

Shriram Pistons has a positive and collaborative work culture that encourages innovation and growth.

• The company values teamwork and encourages employees to work together to achieve common goals.

• There is a focus on continuous learning and development, with opportunities for training and skill-building.

• The management is approachable and supportive, and there is a sense of transparency and open communication.

• The company also places a strong emphasis on safety and quality, with s...read more

Static variable is a variable that is associated with a class rather than with any object instance of the class.

• Static variables are declared using the 'static' keyword.

• They retain their values throughout the program's execution.

• They are initialized only once at the start of the program.

• Static variables are shared among all instances of a class.

• Example: 'static int count = 0;' declares a static variable 'count' with initial value of 0.

Moulds are of various types based on their growth, appearance, and usage.

• Based on growth: surface moulds, subsurface moulds, and airborne moulds

• Based on appearance: powdery, fuzzy, slimy, and water-stained moulds

• Based on usage: food moulds, industrial moulds, and medical moulds

Parts of a mould include the cavity, core, sprue, runner, and ejector pins.

• Cavity: the space where the molten material is injected and solidifies into the final product

• Core: a separate piece used to create internal features of the product

• Sprue: the channel through which the molten material is injected into the mould

• Runner: the channel through which the molten material flows from the sprue to the cavity

• Ejector pins: used to push the finished product out of the mould

Stroke details in Engine refer to the movement of the piston within the cylinder during the combustion process.

• The four strokes in an engine are intake, compression, power, and exhaust.

• During the intake stroke, the piston moves downward, allowing the air-fuel mixture to enter the cylinder.

• In the compression stroke, the piston moves upward, compressing the air-fuel mixture.

• The power stroke is when the spark plug ignites the compressed mixture, causing the piston to move downwa...read more

CNC machine is a computer-controlled machine tool used for precision machining.

• CNC stands for Computer Numerical Control

• It uses a computer program to control the movement of the machine

• It can perform complex cuts and shapes with high precision

• Examples include CNC mills, lathes, routers, and plasma cutters

Pistons are created through a manufacturing process that involves casting, machining, and assembly.

• Pistons are typically made from aluminum alloy or cast iron.

• The manufacturing process starts with casting, where molten metal is poured into a mold to form the piston shape.

• After casting, the piston undergoes machining to achieve the desired dimensions and surface finish.

• Machining processes include turning, milling, drilling, and grinding.

• The piston is then heat-treated to impro...read more