30+ Kusumgar Corporates Interview Questions and Answers

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

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 conditions.

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

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

The rear wheel is bigger in tractors as it provides better traction and reduces slippage while working in fields.

• The weight of the tractor is mostly concentrated on the rear axle, hence the bigger wheel provides better stability and balance.

• The bigger wheel also helps in reducing soil compaction and improves the overall efficiency of the tractor.

• The front wheel is smaller as it is mainly used for steering and maneuvering the tractor.

• Examples of tractors with bigger rear wheel...read more

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 used in the construction industry to evaluate the durabilit...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 surveys

My area of interest in Civil Engineering is structural engineering.

• I enjoy designing and analyzing structures such as buildings, bridges, and towers.

• I am fascinated by the physics and mathematics involved in ensuring the safety and stability of structures.

• I have experience using software such as SAP2000 and ETABS to model and analyze structures.

• I am also interested in exploring new materials and construction techniques to improve the efficiency and sustainability of structure...read more

The indenter in Brinell hardness test is a hardened steel ball and the material name is tungsten carbide.

• Brinell hardness test measures the indentation hardness of a material

• The indenter is pressed into the material with a known force

• The diameter of the indentation is measured and used to calculate the Brinell hardness number

• The indenter used is a hardened steel ball with a diameter of 10mm

• The material name of the indenter is tungsten carbide, which is a very hard and durable...read more

Factor of safety is a measure of how much stronger a structure is than it needs to be for its intended use.

• Factor of safety is the ratio of the maximum stress a material can withstand to the actual stress it is subjected to.

• It is used to ensure that a structure or component can withstand loads and stresses beyond what it is designed for.

• Factor of safety can be calculated by dividing the ultimate strength of a material by the maximum stress it is expected to experience.

• For exa...read more

Various types of protection used in generators, transformers, and grounding.

• Generator protection includes overcurrent, differential, and reverse power protection.

• Transformer protection includes overcurrent, differential, and Buchholz protection.

• Grounding protection includes earth fault protection and lightning protection.

• Other types of protection include overvoltage, underfrequency, and thermal protection.

• Each type of protection is designed to prevent damage to the equipment ...read more

Structural components in a room

• Walls

• Ceiling

• Floor

• Doors

• Windows

• Beams

• Columns

• Trusses

• Joists

• Braces

Bending moment diagram for cantilever beam with UDL

• Calculate the reaction force at the fixed end

• Determine the equation of the bending moment curve

• Plot the bending moment diagram

• The maximum bending moment occurs at the fixed end

• The area under the bending moment curve represents the shear force

I have experience in rating generators and transformers from my internship at NALCO Captive Power Plant.

• During my internship, I learned how to rate generators and transformers based on their capacity and efficiency.

• I gained hands-on experience in using instruments to measure the performance of generators and transformers.

• I also learned about the importance of regular maintenance and testing to ensure optimal performance.

• For example, I assisted in conducting routine tests on t...read more

Bending moment diagram for propped cantilever with UDL

• Calculate the reactions at the support and the prop

• Draw the shear force diagram

• Calculate the maximum bending moment at the fixed end

• Draw the bending moment diagram

• Include the effect of the UDL on the bending moment diagram

Green sand is called so because it contains moisture and clay, which gives it a greenish tint.

• Green sand contains moisture and clay

• The clay helps the sand hold its shape during casting

• The moisture helps the sand stick together

• The greenish tint is due to the presence of iron oxide

• Green sand is commonly used in foundries for casting metals

Types of faults in transmission lines

• Short circuit fault

• Open circuit fault

• Ground fault

• Transient fault

• Intermittent fault

IC engine stands for Internal Combustion Engine. My favorite subject is Mechanical Engineering.

• IC engine is a heat engine that converts chemical energy into mechanical energy.

• It works on the principle of combustion of fuel inside the engine.

• It is used in automobiles, aircraft, and other machines.

• Mechanical Engineering is my favorite subject as it deals with the design, manufacturing, and maintenance of mechanical systems.

• I enjoy learning about the various machines and their w...read more

Assumptions made in limit state method

• Assumption of failure criteria

• Assumption of load distribution

• Assumption of material properties

• Assumption of boundary conditions

• Assumption of safety factors

• Assumption of design life

• Assumption of environmental conditions

Mho relay is a type of distance relay used for fault detection in power systems. Generators operate in parallel to increase power output.

• Mho relay is a directional relay that operates based on the impedance seen by the relay during a fault.

• Generators in parallel must have the same voltage, frequency, and phase sequence to avoid damaging the system.

• Parallel operation of generators requires synchronization and load sharing control.

• Parallel operation can increase power output an...read more

IS Code provisions and methods for concrete mix

• IS 456:2000 is the code for plain and reinforced concrete

• IS 10262:2009 is the code for concrete mix design

• Proportions of cement, sand, and aggregates are specified in the code

• Water-cement ratio, workability, and compressive strength are also specified

• Methods for mixing, transporting, placing, and curing of concrete are given

Bearing is a machine element that supports a rotating shaft and reduces friction between moving parts.

• There are two main types of bearings: plain bearings and rolling bearings.

• Plain bearings are also known as sleeve bearings and consist of a shaft rotating inside a stationary sleeve.

• Rolling bearings use balls or rollers to reduce friction and support the shaft.

• Other types of bearings include thrust bearings, magnetic bearings, and fluid bearings.

• Bearing selection depends on f...read more

Runner and riser are used in casting to ensure proper flow of molten metal and prevent defects.

• Runners are channels that connect the sprue to the mold cavity, allowing molten metal to flow into the mold.

• Risers are reservoirs of molten metal that compensate for shrinkage during solidification and prevent porosity and other defects.

• Proper design and placement of runners and risers is crucial for successful casting.

• Examples of casting defects that can be prevented by runners and...read more

Shaper is used for shaping flat surfaces while Planner is used for planning flat and angular surfaces.

• Shaper is a reciprocating type of machine tool while Planner is a stationary type of machine tool.

• Shaper is used for producing flat surfaces while Planner is used for producing flat and angular surfaces.

• Shaper uses a single point cutting tool while Planner uses a multiple point cutting tool.

• Examples of shaper include shaping of keyways, slots, and grooves while examples of pl...read more

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

There are two types of distribution systems: radial and network.

• Radial distribution system is a simple and common system where power flows in one direction from the source to the load.

• Network distribution system is a complex system where power flows in multiple directions through interconnected feeders and transformers.

• Radial system is suitable for areas with low power demand and less number of consumers.

• Network system is suitable for areas with high power demand and more num...read more

Power system protection is a set of measures taken to ensure the safety and reliability of electrical power systems.

• Power system protection involves detecting and isolating faults in the power system to prevent damage to equipment and ensure continuity of power supply.

• Protection devices such as relays, fuses, and circuit breakers are used to detect and isolate faults.

• Relays are used to detect abnormal conditions in the power system and send signals to circuit breakers to isol...read more

I chose civil engineering because I enjoy designing and building structures that improve society.

• Passion for designing and building structures

• Desire to contribute to society through infrastructure projects

• Interest in problem-solving and innovation in construction

• Opportunity to work on diverse projects such as bridges, roads, and buildings

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. Polymorphism is the ability of a function or method to behave differently based on the input data type.

• Prime numbers are numbers that are only divisible by 1 and themselves, such as 2, 3, 5, 7, 11, etc.

• Polymorphism allows a function or method to work with different data types, such as overloading in programming languages like Java or C++.

No

• I have no history of backlogs.

• I have successfully completed all my courses without any backlog.

• I have maintained a good academic record throughout my education.

• I have never faced any issues related to backlogs.

My favourite subject in civil engineering is structural analysis.

• I enjoy analyzing and designing structures to ensure their safety and stability.

• I find it fascinating to understand how different materials and forces interact in a structure.

• I have experience using software such as SAP2000 and ETABS to perform structural analysis.

• I also appreciate the importance of considering environmental factors in structural design.

• Overall, I believe that structural analysis is a crucial as...read more

Spur gears are used to transmit power between parallel shafts. They have straight teeth and are commonly found in machinery.

• Spur gears are one of the simplest and most common types of gears.

• They are used in a wide range of applications, from small toys to large industrial machinery.

• Spur gears are designed to transmit power between parallel shafts.

• They have straight teeth that are cut parallel to the axis of rotation.

• Spur gears are often used in pairs to transmit power between...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.

Bucholz Relay is a protective device used in oil-immersed transformers to detect and prevent faults.

• It is installed between the transformer tank and conservator tank.

• It detects faults such as internal short circuits and incipient faults.

• It operates on the principle of gas evolution due to the decomposition of oil.

• It sends a signal to the transformer protection system to isolate the transformer from the power system.

• It consists of two elements - a float switch and a mercury sw...read more

My favorite subject is mathematics because I enjoy solving complex problems and using logic to find solutions.

• I love working with numbers and equations

• I find joy in solving challenging math problems

• I appreciate the logical reasoning involved in mathematics