20+ CARS24 Interview Questions and Answers

Diesel engines use compression ignition while petrol engines use spark ignition.

• Diesel engines use compression ignition while petrol engines use spark ignition

• Diesel engines are more fuel efficient than petrol engines

• Petrol engines generally have higher power output compared to diesel engines

• Diesel engines have higher torque at lower RPMs

• Diesel engines are typically more durable and have longer lifespans than petrol engines

A flywheel is a mechanical device used to store rotational energy and smooth out fluctuations in speed of a rotating shaft.

• Flywheels store energy by increasing their rotational speed.

• They release energy by slowing down their rotational speed.

• Flywheels are commonly used in engines to maintain a constant speed and reduce vibrations.

• They are also used in vehicles to provide momentum during gear changes.

Two stroke engines have a power stroke every two strokes of the piston, while four stroke engines have a power stroke every four strokes.

• Two stroke engines have a simpler design with fewer moving parts compared to four stroke engines.

• Two stroke engines require a mixture of oil and fuel for lubrication, while four stroke engines have a separate oil reservoir for lubrication.

• Examples of two stroke engines include chainsaws and dirt bikes, while examples of four stroke engines i...read more

Engine components are made of various materials such as aluminium alloys, cast iron, steel, and other metals for durability and performance.

• Different engine components are made of specific materials to withstand different levels of stress and heat.

• For example, pistons are often made of aluminium alloys for lightweight and heat resistance.

• Crankshafts are typically made of alloy steel for strength and durability.

• Intake and exhaust valves are made of stainless steel, nickel, chr...read more

Soft skills are essential for effective communication, teamwork, and problem-solving in the workplace.

• Soft skills refer to personal attributes that enable individuals to interact effectively with others.

• Examples of soft skills include communication, teamwork, problem-solving, adaptability, and leadership.

• Soft skills are crucial for building relationships, resolving conflicts, and collaborating with colleagues.

• They are important for effective negotiation, decision-making, and ...read more

2 stroke and 4 stroke engines are types of internal combustion engines. Piston is a component that moves up and down inside the engine cylinder. CCM stands for cubic centimeter.

• 2 stroke engine completes a power cycle in 2 strokes of the piston, while 4 stroke engine completes it in 4 strokes.

• Piston is a cylindrical component that moves up and down inside the engine cylinder, transferring force to the crankshaft.

• CCM is a unit of measurement for engine displacement, which is th...read more

2 stroke and 4 stroke engines differ in their operation and design.

• 2 stroke engines complete a power cycle in 2 strokes of the piston, while 4 stroke engines complete it in 4 strokes.

• In a 2 stroke engine, the intake and exhaust occur simultaneously, while in a 4 stroke engine, they occur separately.

• 2 stroke engines have a simpler design with fewer moving parts, while 4 stroke engines are more complex.

• 2 stroke engines are generally lighter and have higher power-to-weight ratio...read more

Direct materials are used in the production process, while indirect materials are not directly used but support the production process.

• Direct materials are essential for the final product and can be easily traced to it.

• Indirect materials are not part of the final product but are necessary for production.

• Direct materials have a significant impact on the cost and quality of the final product.

• Examples of direct materials include raw materials, components, and parts.

• Examples of i...read more

There are two main types of engines: internal combustion engines and external combustion engines.

• Internal combustion engines: gasoline engines, diesel engines

• External combustion engines: steam engines

• Other types include rotary engines, electric engines, etc.

There are two main types of engines: internal combustion engines and external combustion engines. Parameters to check include fuel efficiency, emissions, power output, and overall performance.

• Internal combustion engines: gasoline engines, diesel engines

• External combustion engines: steam engines

• Parameters to check: fuel efficiency, emissions, power output, performance

The engine is a machine designed to convert energy into mechanical motion.

• The engine is the heart of any vehicle or machinery, providing power to move or operate.

• Engines can be classified into different types such as internal combustion engines, steam engines, and electric motors.

• Examples of engines include car engines, jet engines, and diesel engines.

• Engines require fuel, air, and a source of ignition to function properly.

Tractor industry involves manufacturing and selling of tractors used in agriculture and construction.

• Tractor industry is a part of the heavy equipment industry.

• It involves manufacturing and selling of tractors used in agriculture and construction.

• Major players in the industry include John Deere, Mahindra & Mahindra, Kubota, and CNH Industrial.

• The industry is heavily dependent on the agriculture sector.

• Technological advancements have led to the development of smart tractors th...read more

Root cost is the initial cost of a product, TPM is Total Productive Maintenance, Poka Yoke is error-proofing technique, 7 QC tools are quality control tools, and change management is the process of managing changes effectively.

• Root cost is the initial cost incurred in producing a product before any additional costs are added.

• TPM focuses on maximizing the effectiveness of equipment maintenance to ensure optimal production.

• Poka Yoke is a technique used to prevent errors by desi...read more

Individuals can help in the growth of a particular firm by contributing their skills, knowledge, and work ethic.

• By being proactive and taking initiative in their work

• By constantly learning and improving their skills

• By being a team player and collaborating with colleagues

• By being adaptable and open to change

• By providing constructive feedback and suggestions for improvement

• By representing the company positively in interactions with clients and customers

5S Kaizen TPM is a methodology for workplace organization, continuous improvement, and maintenance in manufacturing.

• 5S focuses on organizing the workplace to improve efficiency and safety

• Kaizen involves continuous improvement through small incremental changes

• TPM (Total Productive Maintenance) aims to maximize equipment effectiveness through proactive maintenance

• Combining these methodologies helps create a culture of continuous improvement and efficiency in manufacturing

Technical skills in mechanical engineering include CAD software proficiency, knowledge of thermodynamics, and proficiency in material science.

• Proficiency in CAD software such as AutoCAD, SolidWorks, or CATIA

• Knowledge of thermodynamics and heat transfer principles

• Understanding of material science and properties of materials used in engineering

• Ability to perform stress analysis and structural design

• Knowledge of fluid mechanics and fluid dynamics

• Experience with mechanical system...read more

Types of mechanisms include gears, levers, pulleys, cams, and linkages.

• Gears: used to transmit motion and power between rotating shafts.

• Levers: simple machines consisting of a rigid bar that pivots around a fixed point.

• Pulleys: used to change the direction of a force or transmit rotational motion.

• Cams: used to convert rotary motion into linear motion.

• Linkages: mechanical systems composed of rigid bodies connected by joints.

A technical role involves using specialized knowledge and skills to perform tasks related to a specific field or industry.

• Involves applying technical expertise to solve problems

• Requires knowledge of specific tools, technologies, and processes

• May involve designing, testing, or implementing technical solutions

• Examples include mechanical design engineer, quality control engineer, maintenance engineer

Degree of freedom refers to the number of independent variables or parameters that can be varied in a system.

• Degree of freedom is the number of variables that can be changed independently without affecting the overall system.

• In engineering, degree of freedom can refer to the number of axes along which a mechanical system can move.

• For example, a rigid body in space has 6 degrees of freedom - 3 translational and 3 rotational.

• In control systems, degree of freedom can refer to th...read more