800+ Graduate Engineer Trainee (Get) Interview Questions and Answers for Freshers

Technical interview questions on IC engines, machining operations, welding, casting, heat treatment, thermodynamics, materials, and mechanics.

• IC engine types include spark ignition (SI) and compression ignition (CI)

• Otto cycle is used in SI engines while Diesel cycle is used in CI engines

• Welding types include MIG, TIG, and stick welding

• Casting types include sand casting, investment casting, and die casting

• Heat treatment processes include annealing, quenching, and tempering

• Ther...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 calculated by multiplying the area of the wall by the cost per sq...read more

Large air voids in concrete can weaken its strength and durability.

• Air voids can reduce the density of concrete, making it more porous and susceptible to water penetration.

• This can lead to freeze-thaw damage, corrosion of reinforcement, and reduced durability.

• Air voids can also weaken the compressive strength of concrete, making it more prone to cracking and failure.

• Proper compaction and curing can help minimize the formation of air voids in concrete.

• Air-entraining agents can...read more

There are several types of concrete, including plain, reinforced, pre-stressed, and lightweight.

• Plain concrete is the most basic type and is used for general construction purposes.

• Reinforced concrete has steel bars or mesh embedded in it to increase its strength.

• Pre-stressed concrete is compressed before use to increase its strength and durability.

• Lightweight concrete is made with lightweight aggregates, such as expanded clay or shale, to reduce its weight and increase its in...read more

If the transit mixer is delayed in reaching the site before the i.s.t. of cement, I would take the following actions.

• Contact the transit mixer driver to inquire about the delay and estimated time of arrival.

• Inform the site supervisor and project manager about the delay.

• Evaluate the impact of the delay on the construction schedule and adjust accordingly.

• Consider alternative options such as sourcing cement from a nearby supplier or rescheduling the concrete pouring.

• Coordinate w...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 necessary permits and approvals for the construction.

• Procure m...read more

White fumes from automobile silencer are due to condensation of water vapor and unburnt fuel.

• During combustion, water vapor is produced as a byproduct.

• When the exhaust gases cool down in the silencer, the water vapor condenses and appears as white fumes.

• Unburnt fuel can also contribute to the white fumes.

• This is a normal phenomenon and nothing to worry about unless the fumes are excessive or have a strange odor.

Different types of pumps and their differences.

• Centrifugal pumps: used for low viscosity fluids, high flow rates, low pressure

• Positive displacement pumps: used for high viscosity fluids, low flow rates, high pressure

• Axial flow pumps: used for high flow rates, low pressure, low viscosity fluids

• Mixed flow pumps: used for medium flow rates and pressures

• Jet pumps: used for pumping fluids with high solids content

• Differences include design, flow rate, pressure, viscosity, and appli...read more

The general steps in constructing a building involve planning, designing, obtaining permits, site preparation, foundation, framing, electrical and plumbing, insulation, drywall, and finishing.

• Plan and design the building

• Obtain necessary permits and approvals

• Prepare the site for construction

• Lay the foundation

• Frame the building

• Install electrical and plumbing systems

• Insulate the building

• Install drywall and other finishes

• Complete final touches and inspections

To join 2 C-Sections facing towards each other, align the two sections and use appropriate fasteners.

• Align the two C-Sections so that they are facing towards each other

• Ensure that the edges of the sections are properly aligned

• Use appropriate fasteners such as screws, bolts, or rivets to join the sections together

• Ensure that the fasteners are securely tightened to provide a strong connection

• Consider using additional reinforcement methods like welding or adhesive bonding for ad...read more

Cut the cake twice horizontally and once vertically to make 8 pieces.

• Make two horizontal cuts to get three layers

• Make one vertical cut through the center

• Total 8 pieces will be obtained

The procedure for form work removal on site involves several steps to ensure safety and quality of the structure.

• Inspect the concrete for strength and stability

• Remove the formwork in a systematic manner to avoid damage to the concrete

• Ensure that the removal process does not cause any stress or strain on the structure

• Dispose of the formwork material properly

• Clean and prepare the area for the next phase of construction

Strength of concrete refers to its ability to resist external forces and maintain its shape and integrity.

• Strength of concrete is measured in terms of its compressive strength, which is the maximum amount of force it can withstand before it fails.

• The strength of concrete depends on the ratio of cement, water, and aggregates used in its mixture.

• Concrete gains strength over time as it cures and hardens, with most of the strength gained in the first 28 days.

• The strength of concr...read more

The slump value for pumpable concrete varies depending on the mix design and application.

• Slump value is the measure of the consistency of concrete.

• Pumpable concrete typically has a higher slump value than traditional concrete.

• The slump value for pumpable concrete can range from 150mm to 200mm.

• The mix design and application will determine the appropriate slump value for pumpable concrete.

The difference in heat conduction between a hot bar placed in still liquid and in moving liquid.

• In still liquid, heat conduction occurs primarily through conduction and natural convection.

• In moving liquid, heat conduction occurs through conduction, forced convection, and turbulence.

• Moving liquid enhances heat transfer due to increased fluid motion and mixing.

• The rate of heat conduction is generally higher in moving liquid compared to still liquid.

• Examples: Stirring a hot drin...read more

Wire drawing at room temperature is cold working for both steel and tin rods.

• Wire drawing involves pulling a metal rod through a die to reduce its diameter.

• Cold working is a process where the metal is deformed at room temperature.

• Hot working is a process where the metal is deformed at high temperatures.

• Steel and tin rods can be cold worked at room temperature through wire drawing.

• Hot working is typically done at high temperatures to reduce the force required for deformation.

Welding aluminium is difficult due to its high thermal conductivity, low melting point, and susceptibility to distortion and cracking.

• Aluminium has a high thermal conductivity, which means it dissipates heat quickly, making it difficult to maintain a consistent temperature during welding.

• Aluminium has a low melting point, which means it can easily become overheated and distorted during welding.

• Aluminium is susceptible to cracking due to its high shrinkage rate and low ductili...read more

Tests carried out on aggregates

• Sieve analysis to determine particle size distribution

• Water absorption test to measure the porosity of aggregates

• Aggregate crushing value test to measure the strength of aggregates

• Los Angeles abrasion test to measure the resistance to wear and tear

• Soundness test to measure the resistance to weathering

• Alkali-silica reaction test to determine the potential for harmful chemical reaction

• Organic impurities test to detect the presence of organic matte...read more

The state when there is no effect of pressure in a pipeline is called atmospheric pressure.

• Atmospheric pressure is the pressure exerted by the weight of air in the atmosphere.

• When the pressure inside the pipeline is equal to the atmospheric pressure outside, there is no effect of pressure.

• This state is also known as zero gauge pressure or absolute pressure.

• It is important to maintain this state to prevent leaks or bursts in the pipeline.

Static loads do not change with time, while dynamic loads involve at least one changing parameter. Fatigue failure occurs when a body is subjected to continuous dynamic loading.

• Static loads have constant force magnitude, direction, and point of application

• Dynamic loads involve changes in at least one of the load parameters over time

• Fatigue failure occurs when a body is subjected to continuous dynamic loading, leading to failure after a certain number of cycles

• Example: Bending...read more

The capacity of the battery is calculated based on the energy requirements and the discharge rate. The rating of the motor is determined by the power requirements and efficiency.

• Battery capacity is calculated by dividing the energy requirements by the discharge rate.

• Motor rating is determined by dividing the power requirements by the efficiency.

• Consider factors like voltage, current, and duration of operation when calculating capacity and rating.

• Example: For a battery with en...read more

Answering questions on Industrial Engineering and layouts

• Yes, I have taken a course on Industrial Engineering

• Different layouts include process layout, product layout, and fixed position layout

• Just in time is a manufacturing philosophy where materials are delivered just in time for production

• It aims to reduce inventory costs and increase efficiency

• For example, Toyota uses just in time manufacturing to reduce waste and improve production speed

The flowsheet of a methanol plant involves several steps including synthesis gas production, purification, methanol synthesis, and distillation.

• The first step in the methanol plant flowsheet is the production of synthesis gas, which is a mixture of carbon monoxide and hydrogen.

• The synthesis gas is then purified to remove impurities such as sulfur compounds and carbon dioxide.

• Next, the purified synthesis gas is fed into a methanol synthesis reactor, where it reacts over a cata...read more

Designing a hood for capturing gasses near the outlet of a rotary furnace where molten metal comes out.

• Understand the flow of gasses and their temperature

• Determine the size and shape of the hood based on the furnace outlet

• Consider the material of the hood and its ability to withstand high temperatures

• Ensure proper ventilation and exhaust system for the captured gasses

• Test the hood for efficiency and make necessary adjustments

Yes, it is possible to implement stack using queues.

• Implement push operation by enqueueing elements to the queue.

• Implement pop operation by dequeuing all elements except the last one and enqueueing them again.

• The last element in the queue will be the top element of the stack.

• Example: Queue: 1 2 3 4 5, Stack: 5 4 3 2 1

Tests used for checking the bearing capacity of soil include plate load test, standard penetration test, and cone penetration test.

• Plate load test: Measures the load-bearing capacity of soil by applying a load on a steel plate placed on the ground surface.

• Standard penetration test: Determines the resistance of soil to penetration by a standard sampler driven by a standard hammer.

• Cone penetration test: Measures the resistance of soil to penetration by a cone-shaped penetromete...read more

I have used M50 grade of concrete in a construction project.

• I have experience in working with high-grade concrete such as M50.

• I have knowledge of the properties and characteristics of different grades of concrete.

• I have worked on a construction project where M50 grade of concrete was used for the foundation.

• I understand the importance of using the right grade of concrete for different types of structures.

A 4-speed synchromesh gearbox is a type of manual transmission commonly used in automobiles.

• Synchromesh gearbox allows for smoother shifting between gears

• Each gear has its own synchronizer ring to match the speed of the gear and the input shaft

• The gears are arranged in a specific order, typically in an H-pattern

• The driver must depress the clutch pedal to disengage the gears before shifting

• Commonly found in sports cars and high-performance vehicles

Recursion is a process in which a function calls itself. Time and space complexity are important factors to consider while using recursion.

• Recursion is used to solve problems that can be broken down into smaller sub-problems.

• It involves a base case and a recursive case.

• Time complexity refers to the amount of time taken by an algorithm to run, while space complexity refers to the amount of memory used by an algorithm.

• Recursion can have high time and space complexity, so it's i...read more

Universal Gates are gates that can be used to implement any logic function. OR gate can be drawn from a Universal Gate.

• Universal Gates include NAND and NOR gates

• NAND and NOR gates can be used to implement any logic function

• OR gate can be drawn from a NAND gate by connecting both inputs together

• OR gate can be drawn from a NOR gate by connecting both inputs together and inverting the output

The force acting on a particle at a certain depth inside a fluid depends on the pressure exerted by the fluid and the area of the particle.

• The force is directly proportional to the pressure exerted by the fluid.

• The force is also directly proportional to the area of the particle.

• The force can be calculated using the formula: Force = Pressure x Area.

• The force acts in all directions on the particle due to the fluid pressure.

• The force increases with increasing depth inside the fl...read more

Factor of safety in designing ropes, gears, and belt drives.

• Factor of safety is the ratio of the maximum load a component can handle to the actual load it is subjected to.

• It ensures that the component does not fail under normal operating conditions.

• For ropes, a factor of safety of 10 is common, while for gears and belt drives, it is usually between 1.5 to 2.

• Factors that affect the factor of safety include material properties, operating conditions, and the consequences of fail...read more

Equal relative volatility means no separation is possible in distillation.

• Relative volatility is the ratio of vapor pressures of two components in a mixture.

• When it is equal to 1, the vapor pressures of both components are equal.

• This means they will boil and condense at the same temperature, making separation impossible.

• Distillation relies on the difference in boiling points of components to separate them.

• Therefore, distillation is not possible when relative volatility is equ...read more

Parameters to consider for designing press fit assembly (hole and shaft)

• Tolerance of the hole and shaft

• Material properties of the hole and shaft

• Interference fit required

• Press fit force required

• Surface finish of the hole and shaft

• Assembly process and equipment

• Environmental conditions

• Design for disassembly

A technical interview for Graduate Engineer Trainee position covering topics such as heat, mechanics of materials, thermodynamics, and salary expectations.

• Heat is not visible, but its effects can be seen such as the expansion of materials or changes in color.

• Final year project was on the design and analysis of a composite material for aerospace applications.

• Completed an internship at XYZ company where I worked on the design and testing of a new product.

• Most interested in the ...read more

Copper is extracted from ore through several stages including crushing, grinding, and concentration.

• The ore is first crushed into small pieces

• It is then ground to a fine powder

• The powder is then concentrated using various methods such as froth flotation

• The concentrated ore is then roasted to remove any remaining impurities

• Finally, the copper is extracted using electrolysis or smelting

• The final product is usually in the form of copper cathodes or wire

My projects align with Reliance's focus on innovation, sustainability, and efficiency.

• I have worked on projects that involve developing sustainable energy solutions, which aligns with Reliance's focus on sustainability.

• I have also worked on projects that involve optimizing processes and reducing waste, which aligns with Reliance's focus on efficiency.

• For example, I developed a system to monitor and optimize energy usage in a manufacturing plant, which resulted in significant ...read more

Explanation of stress vs strain curves and over/under reinforced sections.

• Stress vs strain curves show the relationship between the amount of force applied to a material and the resulting deformation.

• Over reinforced sections have too much steel reinforcement, causing the concrete to fail before the steel does.

• Under reinforced sections have too little steel reinforcement, causing the steel to fail before the concrete does.

• The ideal section is balanced, with both the steel and ...read more

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

Admixtures are added to concrete to improve its properties. Main admixtures include water reducers, accelerators, retarders, and air-entraining agents.

• Water reducers reduce the amount of water needed for a given workability, improving strength and durability.

• Accelerators speed up the setting and hardening of concrete, useful in cold weather conditions.

• Retarders slow down the setting of concrete, useful in hot weather conditions or when transportation time is long.

• Air-entraini...read more

Nominal mix is a rough estimate of proportions of materials while design mix is a precise calculation of proportions.

• Nominal mix is used for small construction projects while design mix is used for large projects.

• Nominal mix is not very accurate while design mix is highly accurate.

• Nominal mix is expressed in volume while design mix is expressed in weight.

• Nominal mix is cheaper than design mix.

• Example of nominal mix: 1:2:4 (cement:sand:aggregate)

• Example of design mix: M20 (1:1...read more

SQL query to find employees with salaries in a certain range.

• Use the SELECT statement to retrieve data from the table.

• Use the WHERE clause to filter the data based on salary range.

• Use the BETWEEN operator to specify the salary range.

• Example: SELECT * FROM employees WHERE salary BETWEEN 50000 AND 70000;

How to select top 10 records (using SQL) from a table?

• Use SELECT statement with ORDER BY clause

• Add DESC keyword to sort in descending order

• Use LIMIT or FETCH FIRST clause to limit the number of records

The shear force is maximum at the support and the bending moment is maximum at the center of the slab.

• Shear force is maximum at the support due to the transfer of load from the slab to the support.

• Bending moment is maximum at the center of the slab due to the maximum deflection of the slab.

• The location of maximum shear force and bending moment can be determined using structural analysis software or manual calculations.

UTM machine is a universal testing machine used to test the mechanical properties of materials. FRP stands for Fiber Reinforced Plastic.

• UTM machine is used to test the tensile, compressive, and bending properties of materials.

• FRP is a composite material made of a polymer matrix reinforced with fibers, such as carbon or glass.

• Tool testing machine is used to evaluate the performance and durability of tools.

• Lathe machine is a tool used for shaping and machining materials.

• Stress ...read more