Oceaneering International CAD Engg Interview Questions and Answers

25 KV AC is more efficient for railways due to lower transmission losses and higher power carrying capacity.

• 25 KV AC has lower transmission losses compared to 750V DC

• 25 KV AC can carry higher power compared to 750V DC

• 25 KV AC is more suitable for long distance and high-speed trains

• 750V DC is more suitable for urban and suburban railways

• Examples: Indian Railways uses 25 KV AC for long distance and high-speed trains, whi

The speed-torque curve of an induction motor describes the relationship between motor speed and torque.

• The speed-torque curve shows how the motor's torque output varies with changes in speed.

• At low speeds, the motor can produce high torque, but as the speed increases, the torque decreases.

• The curve typically has a peak torque value called the breakdown torque.

• Beyond the breakdown torque, the motor enters the field weak...read more

Induction motors are replacing DC motors for traction purposes due to their higher efficiency, lower maintenance, and simpler control.

• Induction motors have higher efficiency compared to DC motors, resulting in reduced energy consumption.

• Induction motors require less maintenance as they have no brushes or commutators that wear out over time.

• Induction motors have simpler control systems, making them easier to operate and...read more

Yes, I am comfortable with travelling to different offices like Sricity, Coimbatore, Kochi, Madhepura, etc.

• I am open to travelling and exploring new locations for work

• I have previous experience of travelling for work purposes

• I am adaptable and can easily adjust to new environments

• I believe travelling to different offices will provide me with valuable exposure and learning opportunities

The best thing about my college is the strong emphasis on practical learning and industry exposure.

• State-of-the-art laboratories and workshops for hands-on experience

• Regular industry visits and guest lectures by professionals

• Opportunities for internships and projects with leading companies

• Strong focus on developing real-world skills and problem-solving abilities

I excelled in my studies with a strong GPA and also actively participated in extracurricular activities such as student organizations and internships.

• Maintained a high GPA throughout college

• Participated in student organizations related to engineering

• Completed internships in relevant fields

• Took on leadership roles in group projects

• Attended workshops and seminars to enhance skills

Developed a web-based inventory management system for a manufacturing company

• Designed and implemented the front-end using HTML, CSS, and JavaScript

• Developed the back-end using PHP and MySQL for database management

• Implemented features such as product tracking, stock management, and order processing

• Collaborated with a team of developers and stakeholders to gather requirements and ensure project success

My favourite subject is Mathematics.

• I enjoy solving complex problems and equations.

• I find it fascinating how mathematical concepts can be applied in various fields.

• I have always excelled in mathematics and enjoy learning new concepts.

• I believe mathematics is the foundation of many scientific and technological advancements.

I am a recent graduate with a degree in Mechanical Engineering and a passion for problem-solving and innovation.

• Recent graduate with a degree in Mechanical Engineering

• Passionate about problem-solving and innovation

• Experience with CAD software like SolidWorks

• Completed internships at engineering firms

L&T is a renowned company known for its excellence in engineering and construction.

• L&T has a strong reputation in the industry for delivering high-quality projects.

• The company offers excellent opportunities for career growth and development.

• L&T has a diverse range of projects across various sectors, providing exposure to different domains.

• The company values innovation and encourages employees to think creatively.

• L&T ha...read more

The cost of painting the wall behind me cannot be determined without additional information.

• The cost of painting a wall depends on various factors such as the size of the wall, the type of paint used, and the labor charges.

• Additional information needed includes the dimensions of the wall, the type of paint desired, and the cost of labor per square foot or hour.

• Once these details are provided, an estimate can be calcula...read more

M25 concrete is a mix of concrete with a compressive strength of 25 MPa.

• M25 concrete is commonly used in construction for foundations, columns, and beams.

• It is made by mixing cement, sand, and coarse aggregates in a ratio of 1:1:2.

• The water-cement ratio should be around 0.45 for M25 concrete.

• The compressive strength of M25 concrete is achieved after 28 days of curing.

• M25 concrete is suitable for moderate exposure condi

Concrete tests are used to determine the strength and quality of concrete.

• Compression test measures the strength of concrete under compression

• Slump test measures the consistency and workability of fresh concrete

• Air content test measures the amount of air trapped in concrete

• Water permeability test measures the ability of concrete to resist water penetration

• Rebound hammer test measures the surface hardness of concrete

Water absorption test is a measure of the amount of water absorbed by a material under specified conditions.

• The test is used to determine the porosity and permeability of a material.

• It involves immersing the material in water for a specified period of time and then measuring the weight gain.

• The percentage of weight gain is calculated and used to determine the water absorption rate of the material.

• The test is commonly u...read more

After receiving the plan of a construction, the following steps should be followed.

• Review the plan thoroughly to understand the scope and requirements of the project.

• Identify any potential issues or conflicts in the plan and communicate them to the relevant stakeholders.

• Create a detailed project schedule and timeline based on the plan.

• Allocate resources and manpower according to the requirements of the plan.

• Obtain nece...read more

Chain surveying is time-consuming and requires skilled personnel.

• Requires a lot of time and effort to set up and measure accurately

• Not suitable for large areas or uneven terrain

• Errors can accumulate quickly and lead to inaccurate results

• Requires skilled personnel to operate and interpret data

• Difficult to use in areas with obstacles or obstructions

• May not be suitable for certain types of surveys, such as topographical s

My final year project is about designing a smart irrigation system using IoT technology.

• Utilizing sensors to monitor soil moisture levels

• Automating the irrigation process based on real-time data

• Implementing a mobile app for remote monitoring and control

• Reducing water wastage and improving crop yield

• Example: Using Arduino sensors to measure soil moisture and control water pumps

I completed a project on renewable energy systems in my final year training.

• Researched different types of renewable energy sources

• Designed and implemented a small-scale renewable energy system

• Analyzed the performance and efficiency of the system

• Presented findings and recommendations to faculty and peers

Yes, I am willing and able to do site work.

• I have experience working on construction sites during my previous internships.

• I am physically fit and able to handle the demands of site work.

• I understand the importance of safety protocols and will adhere to them at all times.

• I am a quick learner and will adapt to any new challenges that arise on site.

I have a strong support system in place to ensure my parents are well taken care of, including family members, caregivers, and financial planning.

• My siblings and I have a plan in place to share responsibilities for our parents' care.

• We have hired caregivers to assist with daily tasks and provide companionship.

• We have set up a financial plan to cover any medical expenses or long-term care needs.

• We have regular check-ins...read more

I want to join the company because of its reputation for innovation and growth opportunities.

• Company's reputation for innovation and growth

• Opportunities for career development

• Alignment with my career goals and values

I would like to work in a challenging and dynamic role that allows me to utilize my technical skills and creativity.

• Preferably in a field related to mechanical engineering

• Opportunity for continuous learning and growth

• Collaborative work environment

• Possibility to work on innovative projects

• Room for advancement and leadership opportunities

I have worked on various projects during my studies, including a smart home automation system and a mobile app for tracking personal fitness goals.

• Developed a smart home automation system using Arduino and Raspberry Pi

• Designed and implemented a mobile app for tracking personal fitness goals

• Collaborated with a team of engineers to develop a prototype for a solar-powered water purification system

• Conducted research and an...read more

I am a recent graduate with a degree in Mechanical Engineering and a passion for problem-solving and innovation.

• Recent graduate with a degree in Mechanical Engineering

• Passionate about problem-solving and innovation

• Experience with CAD software like AutoCAD and SolidWorks

• Completed internships at engineering firms

• Strong communication and teamwork skills

My strength lies in my strong analytical skills and ability to work well in a team. My weakness is that I can be overly critical of my own work.

• Strength: Strong analytical skills

• Strength: Ability to work well in a team

• Weakness: Being overly critical of my own work

I want to join L&T because of its reputation as a leading engineering company and the opportunities it offers for professional growth.

• L&T is known for its excellence in engineering and construction projects.

• I am impressed by L&T's commitment to innovation and technological advancements.

• L&T provides a platform for learning and development through its Graduate Engineer Trainee program.

• I believe that working at L&T will p...read more

Concrete grades are classified based on their strength and durability.

• Concrete grades range from M5 to M100.

• M stands for mix and the number after it represents the compressive strength of concrete in megapascals (MPa).

• Higher grade concrete is used for heavy-duty structures like bridges and dams, while lower grade concrete is used for lighter structures like sidewalks and driveways.

Design of steel & concrete structures involves the use of mathematical calculations and engineering principles to create safe and efficient structures.

• Structural analysis and design

• Material selection and testing

• Load calculations and distribution

• Construction techniques and methods

• Code compliance and safety regulations

I am a highly motivated and experienced professional with a passion for learning and growth.

• I have a degree in Business Administration and have worked in various industries such as finance, marketing, and technology.

• I am a quick learner and enjoy taking on new challenges.

• I am a team player and have experience working in both small and large teams.

• I am proficient in Microsoft Office and have experience with various proj...read more

L&T is an Indian multinational conglomerate company headquartered in Mumbai.

• L&T stands for Larsen & Toubro.

• It operates in various sectors including engineering, construction, technology, and financial services.

• It is one of the largest companies in India with a market capitalization of over $100 billion.

• Some of its notable projects include the construction of the Statue of Unity in Gujarat and the Hyderabad Metro Rail p...read more