Medha Traction Equipment Interview Questions and Answers

Technical, Verbal, Numerical

On spot topic or technical topic

Q1. What are the thermodynamics system
Ans. 
Thermodynamic systems are physical systems that exchange energy with their surroundings.
• A thermodynamic system can be open, closed, or isolated.

• Examples of thermodynamic systems include a gas in a container, a steam engine, and a refrigerator.

• Thermodynamic systems can exchange energy in the form of heat and work.
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Q2. Explain rankine cycle, reheat rankine and regenerative rankine and its p-v and t-s diagram
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Rankine cycle is a thermodynamic cycle used in steam power plants to generate electricity.
• Rankine cycle is a thermodynamic cycle that converts heat into work using steam as the working fluid.

• Reheat Rankine cycle involves reheating the steam in between stages to increase efficiency.

• Regenerative Rankine cycle involves extracting steam from the turbine at various stages to preheat the feedwater.

• P-V diagram for Rankine cyc...read more
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Q3. Bernoulli equation, cavitation
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Q4. Dynamic viscosity, Kinematic viscosity
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Q5. Simply support beam
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Q6. Principal stress
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Q7. Angle of projection, on spot drawing calculation
Ans. 
Angle of projection is the angle at which an object is launched into the air.
• Angle of projection affects the range and height of the projectile.

• It is measured from the horizontal axis.

• The optimal angle of projection for maximum range is 45 degrees.

• The formula to calculate the range is R = (v^2 * sin(2θ)) / g, where v is the initial velocity, θ is the angle of projection, and g is the acceleration due to gravity.

• The for...read more
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Q1. General information
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Q1. What's your educational background
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Q1. What is difference between bs4 and bs6 ?
Ans. 
BS4 and BS6 are emission norms for vehicles, with BS6 being more stringent than BS4.
• BS4 stands for Bharat Stage 4 and BS6 stands for Bharat Stage 6.

• BS6 emission norms are more stringent and require vehicles to emit lower levels of pollutants compared to BS4.

• BS6 compliant vehicles use advanced emission control technologies like Selective Catalytic Reduction (SCR) and Diesel Particulate Filter (DPF).

• BS6 compliant vehicle...read more
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Q2. What is difference between disel engine and petrol engine?
Ans. 
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 are more durable and have longer lifespan than petrol engines

• Diesel engines produce more torque at lower RPMs com
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Logical Questions were asked
Maths
Technical

Q1. Behavioral base questions Decision making skills
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Q1. Safety management related questions Legal compliance Maharashtra polution control board related
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Q2. They required relevant work experience
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Q3. What will be the hazards of casting industry?
Ans. 
Hazards in casting industry include exposure to high temperatures, chemicals, and physical hazards.
• Exposure to high temperatures can cause burns and heat stress

• Chemicals used in casting can cause respiratory problems and skin irritation

• Physical hazards include the risk of being struck by heavy objects or machinery

• Noise pollution can cause hearing damage

• Improper handling of molten metal can cause explosions and fires
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Q4. How you will control the hazards of casting industry?
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Hazards in casting industry can be controlled through proper training, equipment maintenance, and safety protocols.
• Provide regular safety training to employees

• Ensure proper maintenance of equipment and machinery

• Implement safety protocols such as wearing protective gear and following proper procedures

• Regularly inspect the workplace for potential hazards

• Provide adequate ventilation and exhaust systems

• Monitor employee hea...read more
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Q1. About engineering drawings
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Q2. Other drawing symbols
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Q3. Type of stresses, how does it work?
Ans. 
Stresses can be of various types such as tensile, compressive, shear, etc. and they affect the behavior of materials under load.
• Tensile stress occurs when a material is stretched or pulled apart, like when you pull a rubber band.

• Compressive stress occurs when a material is squeezed or compressed, like when you push a spring.

• Shear stress occurs when a material is twisted or sheared, like when you cut a piece of paper wi...read more
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Q4. Type of heat transfers
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There are three types of heat transfer: conduction, convection, and radiation.
• Conduction is the transfer of heat through a material without any movement of the material itself.

• Convection is the transfer of heat through a fluid (liquid or gas) due to the movement of the fluid.

• Radiation is the transfer of heat through electromagnetic waves, such as from the sun or a fire.

• Examples of conduction include touching a hot stov...read more
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Q5. Tell me about your project briefly?
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What is Foaming defects and reason for occurence.

Q1. What is Foaming process ?
Ans. 
Foaming process is a manufacturing technique used to create foam-like structures by introducing gas bubbles into a liquid or solid material.
• Foaming process involves the creation of gas bubbles in a material.

• The gas bubbles can be introduced through mechanical agitation, chemical reactions, or the use of foaming agents.

• Foaming can be done with various materials such as plastics, metals, ceramics, and even food products.

• ...read more
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Q2. What is Foaming defects
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Foaming defects are issues that occur during production when excessive air or gas is trapped in a material, resulting in bubbles or voids.
• Foaming defects can occur in various manufacturing processes, such as injection molding, casting, or foam production.

• These defects can lead to reduced product quality, decreased mechanical strength, and compromised functionality.

• Common causes of foaming defects include improper mater...read more
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