1500+ Graduate Engineer Trainee (Get) Interview Questions and Answers

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

To increase voltage for running tubewell when voltage is low, use a voltage booster or stabilizer.

• Use a voltage booster or stabilizer to increase voltage

• Check for any loose connections or damaged wires

• Ensure the tubewell motor is not overloaded

• Consider installing a capacitor bank to improve power factor

• Consult with an electrician if necessary

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

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

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

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

The question is about types of molding processes, sand parameters, chemical composition of steel, and core making processes.

• Types of molding processes include no-bake process and green sand process.

• Sand parameters include grain size, shape, and distribution.

• Chemical composition of steel affects its melting point.

• Spectrometer is used to analyze the chemical composition of steel.

• Testing spectro is important to ensure the quality of the steel.

• Types of sand include silica sand, c...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;

Primary and secondary I and V of transformer are related by the turns ratio.

• The primary and secondary currents are inversely proportional to their respective turns ratios.

• The primary and secondary voltages are directly proportional to their respective turns ratios.

• The turns ratio is the ratio of the number of turns in the primary winding to the number of turns in the secondary winding.

• The relationship between primary and secondary I and V is given by the transformer equation:...read more

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

Factors to consider for checking evaporator efficiency

• Temperature difference between inlet and outlet air

• Airflow rate

• Refrigerant flow rate

• Frost buildup on evaporator coils

• Cleanliness of evaporator coils

• Type of refrigerant used

Dual cycle principles involve both constant volume and pressure processes in an engine cycle.

• Dual cycle is a combination of Otto and Diesel cycles.

• It involves two constant volume and one constant pressure processes.

• The first constant volume process is isentropic compression.

• The constant pressure process is combustion.

• The second constant volume process is isentropic expansion.

• It is used in gas turbine engines and some internal combustion engines.

Answers to questions related to induction machine and power transmission

• Induction machine works on the principle of electromagnetic induction

• Flux is induced in the rotor of the induction machine due to the rotating magnetic field produced by the stator

• Infinite bus is a hypothetical bus with infinite power capacity and voltage

• If load is suddenly changed in infinite bus, the voltage and frequency will change

• High voltage is considered in transmission to reduce power losses due t...read more

The workability of concrete on site can be measured using various methods.

• Slump test: Measures the consistency and flowability of concrete.

• Compaction factor test: Determines the workability by measuring the degree of compaction achieved.

• Flow table test: Measures the flowability of concrete by determining the diameter of the spread.

• Vebe test: Measures the time taken for a standard vibrating needle to penetrate the concrete.

• Kelly ball test: Measures the workability by determini...read more

Common tests performed on concrete and cement

• Compressive strength test

• Water absorption test

• Setting time test

• Soundness test

• Fineness test

• Chemical analysis test

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 maintain.

• Induction motors are more cost-effective and rea...read more

Refrigeration cycles are thermodynamic cycles used in refrigeration systems to transfer heat from a low-temperature region to a high-temperature region.

• Refrigeration cycles involve four main components: compressor, condenser, expansion valve, and evaporator.

• The cycle starts with the compressor, which increases the pressure and temperature of the refrigerant gas.

• The high-pressure gas then flows into the condenser, where it releases heat to the surroundings and condenses into a...read more

Connecting pumps in series increases head while connecting in parallel increases flow rate.

• Connecting pumps in series increases the total head of the system while connecting in parallel increases the total flow rate.

• In series connection, the discharge remains the same while the head increases.

• In parallel connection, the head remains the same while the discharge increases.

• Series connection is used when high head is required while parallel connection is used when high flow rate...read more

There are various types of tubes used in heat exchangers including shell and tube, double pipe, and plate and frame.

• Shell and tube heat exchangers use tubes that are arranged in a bundle within a cylindrical shell.

• Double pipe heat exchangers use two tubes, one inside the other, to create a counterflow arrangement.

• Plate and frame heat exchangers use thin plates that are stacked together with small gaps between them to allow for heat transfer.

• Other types of tubes used in heat e...read more

Different types of transmission wires are used in transmission made of different metals for their specific properties.

• Copper wires are commonly used for their high conductivity.

• Aluminum wires are used for long-distance transmission due to their lightweight.

• Steel-cored aluminum wires are used for their strength and conductivity.

• Aerial bundled cables are used for their insulation properties.

• Different metals are used based on their properties such as conductivity, strength, and ...read more

OOP Concept is a programming paradigm that uses objects to represent real-world entities. Inheritance is a mechanism where a class inherits properties and behaviors from another class.

• OOP Concept is based on the principles of encapsulation, inheritance, and polymorphism.

• It allows for modular and reusable code by organizing data and functions into objects.

• Inheritance is a key feature of OOP that allows a class to inherit properties and methods from another class.

• The class that...read more

Interference is the addition of unwanted signals, while distortion is the alteration of the original signal.

• Interference is caused by external signals or noise that disrupt the desired signal.

• Distortion occurs when the original signal is altered or modified.

• Methods to eliminate interference include shielding, filtering, and using balanced connections.

• Distortion can be reduced by using high-quality components, equalization, and feedback techniques.

Counters are used to count the number of clock pulses and generate output signals. Shift registers are used to store and shift data.

• Counters are sequential circuits that count the number of clock pulses and generate output signals.

• They can be used in applications such as frequency dividers, event counters, and timers.

• Shift registers are used to store and shift data in a serial manner.

• They can be used in applications such as data storage, data transfer, and parallel-to-serial ...read more

The WHERE clause is used to filter data in a SQL query.

• It is used to specify a condition to filter the rows returned in a SELECT statement.

• It can be used with various operators such as =, <, >, LIKE, etc.

• It can also be used with logical operators such as AND, OR, NOT.

• Example: SELECT * FROM customers WHERE age > 18 AND city = 'New York';

Standard size of brick is 19x9x9 cm, modular size is 20x10x10 cm. Various transportation types, wall height, IS code book usage, AutoCAD shortcut key, and railway/highway transportation discussed.

• Standard size of brick: 19x9x9 cm

• Modular size of brick: 20x10x10 cm

• Types of transportation: railway, highways

• Wall height: not specified

• IS code book usage for concrete and steel: Yes

• AutoCAD shortcut key: not specified

Program to check if a string is a palindrome or not.

• Create a function to compare the original string with its reverse.

• Ignore spaces and punctuation when checking for palindrome.

• Example: 'racecar' is a palindrome, 'hello' is not.

Compressive strength of concrete is its ability to resist compression. M25 concrete is a mix of cement, sand, and aggregate in a specific ratio.

• Compressive strength is the maximum load-bearing capacity of concrete per unit area.

• It is measured in megapascals (MPa) or pounds per square inch (psi).

• M25 concrete is a mix of 1:1:2 ratio of cement, sand, and aggregate respectively.

• It has a compressive strength of 25 MPa or 3625 psi.

• Compressive strength is an important factor in dete...read more

There are two main types of compressors: positive displacement and dynamic.

• Positive displacement compressors work by trapping a fixed amount of air and forcing it into a smaller space, while dynamic compressors use high-speed rotating impellers to accelerate and compress air.

• Examples of positive displacement compressors include reciprocating, rotary screw, and rotary vane compressors, while examples of dynamic compressors include centrifugal and axial compressors.

• The choice o...read more

Traveling is the movement of electrical energy from one point to another in a substation.

• Traveling is important in substations to distribute electrical energy to different parts of the substation.

• It is necessary to ensure that the energy is distributed evenly and efficiently.

• Traveling is achieved through the use of transformers, circuit breakers, and other electrical equipment.

• It is also important to monitor traveling to prevent overloading and ensure safety.

• Examples of trave...read more

RDBMS is a type of DBMS that stores data in a structured manner using tables and enforces relationships between them.

• DBMS is a software system that manages databases, while RDBMS is a specific type of DBMS.

• RDBMS uses a tabular structure to store data, with each table consisting of rows and columns.

• RDBMS enforces the ACID properties (Atomicity, Consistency, Isolation, Durability) to ensure data integrity.

• RDBMS supports SQL (Structured Query Language) for managing and manipulat...read more

Plinth level is the base level of a building's foundation, usually above ground level.

• Plinth level is the starting point of construction.

• It is the base level of a building's foundation.

• It is usually above ground level.

• It is important to ensure that the plinth level is constructed accurately to avoid any structural issues.

• The plinth level is usually marked by a horizontal line on the building's foundation.

• The plinth level can vary depending on the location and purpose of the b...read more

The laws of thermodynamics and the difference between 2-stroke and 4-stroke engines.

• The laws of thermodynamics are fundamental principles that govern energy and its transformations.

• There are four laws of thermodynamics: zeroth law, first law, second law, and third law.

• The zeroth law states that if two systems are in thermal equilibrium with a third system, they are in thermal equilibrium with each other.

• The first law, also known as the law of energy conservation, states that ...read more

Materials like Gypsum and Diamond are used as reference in Mohr's scale because they have well-defined hardness values.

• Mohr's scale is a qualitative scale that ranks minerals based on their relative hardness.

• Gypsum is assigned a hardness value of 2 on the scale, while diamond is assigned a hardness value of 10.

• Using materials like Gypsum and Diamond as reference points allows for easy comparison and classification of other minerals.

• These materials have well-defined hardness v...read more

I am interested in Honda's innovative technology and commitment to sustainability, which aligns with my personal values.

• I am impressed by Honda's focus on research and development, which has resulted in cutting-edge technology like the Honda Sensing safety suite.

• Honda's commitment to sustainability is also important to me, as I believe in working for a better future for our planet.

• I am excited about the opportunity to work for a company that values innovation and sustainabili...read more

To design a conveyor belt, follow these steps

• Determine the required specifications such as length, width, and load capacity

• Select the appropriate materials for the belt and frame

• Design the belt path and determine the necessary components such as rollers and motors

• Create a detailed drawing and 3D model of the conveyor

• Test the conveyor to ensure it meets the required specifications

CGD stands for City Gas Distribution. It is the process of distributing natural gas to households and industries in a city.

• CGD involves laying pipelines to transport natural gas

• It includes setting up of CNG stations for vehicles

• CGD companies are responsible for maintenance and safety of pipelines

• Examples of CGD companies in India are Indraprastha Gas Limited and Mahanagar Gas Limited

Distillation is a process of separating components of a mixture based on their boiling points.

• Distillation column is a tall vertical vessel used for distillation

• The mixture is heated in a reboiler at the bottom of the column

• Vapors rise up the column and are condensed on trays or packing material

• The condensed liquid flows down the column and is reheated in the reboiler

• The process is repeated until the desired level of separation is achieved