B. G. Shirke Construction Technology Senior Civil Site Engineer Interview Questions and Answers

Diaphragm walls are used to create a barrier while retaining walls are used to hold back soil.

• Diaphragm walls are underground walls that are used to create a barrier to prevent water from entering a construction site.

• Retaining walls are used to hold back soil and prevent it from sliding or eroding.

• Diaphragm walls are typically made of reinforced concrete and are used in deep excavations.

• Retaining walls can be made of v...read more

Plywood, steel, aluminum, and plastic are commonly used materials for shuttering.

• Plywood is the most commonly used material for shuttering due to its durability and affordability.

• Steel is used for heavy-duty construction projects as it can withstand high pressure and weight.

• Aluminum is lightweight and easy to handle, making it ideal for small-scale projects.

• Plastic is a cost-effective option for simple construction pro...read more

Calculate the bbs of a 4x3m footing with d=300mm and 12mm dia steel.

• Calculate the total length of steel required

• Determine the spacing between the bars

• Prepare a detailed bar bending schedule

To calculate the quantity of concrete for trapezoidal footing, we need to use the formula for volume of a trapezoidal prism.

• Measure the length, width, and height of the trapezoidal footing

• Calculate the area of the trapezoidal base using the formula (a+b)/2 * h

• Calculate the volume of the trapezoidal prism using the formula area of base * height

• Multiply the volume by the number of trapezoidal footings needed

• Add an additi

Bus bar schemes are different ways of connecting bus bars in power systems.

• Single bus bar scheme

• Double bus bar scheme

• Main and transfer bus bar scheme

• Ring bus bar scheme

• Breaker and a half scheme

• Mesh bus bar scheme

The equipment sequence for any line bay starts with the circuit breaker and ends with the transformer.

• The circuit breaker is the first equipment in the sequence.

• Next comes the isolator switch.

• After that, the earth switch is operated.

• Then the line disconnector is opened.

• Finally, the transformer is disconnected from the line.

• The sequence is reversed when the line bay is put back into service.