Jio Site Engineer Interview Questions and Answers

M15 concrete grade refers to the mix ratio of cement, sand, and aggregate used in construction.

• M15 concrete grade has a mix ratio of 1:2:4, which means 1 part cement, 2 parts sand, and 4 parts aggregate by volume.

• It is commonly used for non-structural components like flooring, pathways, and plastering.

• The strength of M15 concrete is 15 megapascals (MPa) after 28 days of curing.

• M15 grade is suitable for areas with low l...read more

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 construction material known for its strength and durability.

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

• The density of steel is typically measured in grams per cubic centimeter (g/cm³).

• For example, the density of car

The density of RCC (Reinforced Cement Concrete) is typically around 2400 kg/m^3.

• RCC is a composite material made of cement, sand, aggregates, and steel reinforcement.

• The density of RCC can vary depending on the mix design and the type of aggregates used.

• The density is usually measured in kilograms per cubic meter (kg/m^3).

• The density of RCC is important for structural calculations and determining the weight of the cons...read more

The degree of bend for a hook depends on the specific application and requirements.

• The degree of bend for a hook is determined by factors such as the load it needs to support, the type of material being hooked, and the desired angle of engagement.

• In construction, hooks with a 90-degree bend are commonly used for hanging objects or supporting scaffolding.

• For lifting heavy loads, hooks with a larger degree of bend, such ...read more

Bend deduction is the amount of material that needs to be removed from the total length of a bend to achieve the desired angle.

• Bend deduction is calculated based on the material thickness, bend radius, and angle of the bend.

• It is used in sheet metal fabrication to determine the length of the flat pattern before bending.

• The formula for bend deduction is: Bend Deduction = (0.01745 x Bend Angle x Inside Radius) + (0.0078 ...read more