10+ GST Corporation Interview Questions and Answers

IS code of steel refers to the Indian Standard code that specifies the requirements for various types of steel used in construction.

• IS code of steel is governed by the Bureau of Indian Standards (BIS).

• The most commonly used IS code for steel in construction is IS 2062, which specifies the general requirements of hot-rolled medium and high tensile structural steel.

• IS 1786 is the IS code for high strength deformed steel bars used in reinforced concrete structures.

• IS 432 is the ...read more

Trimix is a process used in construction to create a strong and durable concrete mixture.

• Trimix involves the use of three ingredients: cement, sand, and water.

• The ingredients are mixed in specific proportions to achieve the desired strength and workability of the concrete.

• The process includes batching the ingredients, mixing them thoroughly, and placing the concrete in the desired location.

• Trimix is commonly used in the construction of foundations, floors, and other structura...read more

The sill height refers to the vertical distance between the floor level and the bottom of a window or door.

• Sill height is an important consideration in construction and design.

• It affects the accessibility, functionality, and aesthetics of windows and doors.

• The specific sill height can vary depending on factors such as building codes, architectural style, and user requirements.

• For example, in residential buildings, the sill height for windows is typically around 2 to 3 feet ab...read more

The density of sand varies depending on its composition and moisture content.

• The density of dry sand is typically around 1.6 grams per cubic centimeter.

• The density of wet sand can range from 1.8 to 2.2 grams per cubic centimeter.

• The density of sand can also vary based on the type of sand, such as fine sand or coarse sand.

• The density of sand is an important factor in construction and engineering calculations.

The density of steel is approximately 7.85 grams per cubic centimeter.

• Density is a measure of how much mass is contained in a given volume.

• Steel is a commonly used alloy composed primarily of iron and carbon.

• The density of steel can vary depending on the specific type and composition.

• The density of steel is higher than that of most other common materials.

• Knowing the density of steel is important for various engineering and construction applications.

The density of concrete is a measure of its mass per unit volume.

• Density of concrete is typically measured in kilograms per cubic meter (kg/m³).

• The density of concrete can vary depending on the mix design and the materials used.

• Normal weight concrete has a density of around 2400 kg/m³.

• Lightweight concrete, which incorporates lightweight aggregates, can have a lower density, typically ranging from 800 to 2000 kg/m³.

• High-density concrete, which incorporates heavy aggregates lik...read more

Waterproofing is the process of making a structure or object resistant to the penetration of water.

• Identify the areas that need waterproofing, such as basements, roofs, or bathrooms.

• Clean and prepare the surface by removing any dirt, debris, or loose materials.

• Apply a waterproofing membrane or coating to create a barrier against water.

• Ensure proper sealing of joints, cracks, and penetrations to prevent water leakage.

• Test the waterproofing system for effectiveness and make nec...read more

Retaining wall shuttering details, layer casting, and column reducing ratio are important aspects of civil site engineering.

• Retaining wall shuttering details involve the use of formwork to create the desired shape and size of the wall.

• The number of layers cast for a retaining wall depends on the height and soil conditions of the site.

• Column reducing ratio is the ratio of the cross-sectional area of the column at the top to that at the bottom.

• This ratio is important for ensuri...read more

HIRA and JSA are safety management systems used to identify and mitigate workplace hazards.

• HIRA stands for Hazard Identification and Risk Assessment

• JSA stands for Job Safety Analysis

• HIRA is a proactive approach to identify potential hazards and assess the risks associated with them

• JSA is a step-by-step process to identify potential hazards and develop controls to mitigate them

• Both HIRA and JSA are important tools for ensuring workplace safety

The tensile strength of M25 concrete varies depending on various factors.

• The tensile strength of concrete is typically lower than its compressive strength.

• The tensile strength of M25 concrete can range from 2.5 MPa to 5 MPa.

• Factors such as the water-cement ratio, aggregate type, and curing conditions can affect the tensile strength.

• Reinforcing materials like steel bars or fibers can be added to increase the tensile strength of concrete.

• Testing is required to determine the spe...read more

The lapping length formula is used to determine the required overlap of reinforcement bars in concrete structures.

• Lapping length is calculated based on the diameter of the reinforcement bars and the grade of concrete.

• The formula for lapping length is L = 40d, where L is the lapping length and d is the diameter of the reinforcement bar.

• For example, if the diameter of the bar is 12mm, the lapping length would be 480mm.