Nigla Infrastructure & Power Projects Interview Questions and Answers

The percentage of steel in a pile varies depending on the type and design of the pile.

• The percentage of steel in a pile can range from 0% to over 90%.

• The type of pile (e.g. steel, concrete, timber) and its design (e.g. diameter, length, wall thickness) determine the percentage of steel.

• Steel piles typically have a higher percentage of steel than other types of piles.

• The percentage of steel in a pile can also affect its

Pile built-up above cut off level as per IS code

• IS code specifies the maximum allowable pile length above cut off level

• Pile length above cut off level should not exceed 3 times the pile diameter

• Built-up pile above cut off level can cause structural instability and failure

Vertical tolerance for piles as per IS code

• As per IS 2911-1:2010, the vertical tolerance for piles is +/- 25mm

• This tolerance is applicable for both driven and cast-in-situ piles

• The tolerance is measured at the top of the pile and at intervals of 3m along the length

• If the deviation exceeds the tolerance limit, the pile may need to be rejected or remedial measures taken

Pile concrete consumption tolerance depends on various factors.

• Pile diameter and length

• Concrete mix design

• Placement method

• Quality control measures

• Environmental conditions

• Tolerance typically ranges from 5-10% of estimated consumption

• Regular monitoring and adjustment of concrete consumption is necessary

Unit weight of steel is 7850 kg/m³

• The unit weight of steel is the weight of a specific volume of steel

• It is measured in kilograms per cubic meter (kg/m³)

• The unit weight of steel is 7850 kg/m³

• This value may vary slightly depending on the composition and manufacturing process of the steel

I will manage everything by prioritizing tasks and delegating responsibilities. Science part will be managed by staying updated with latest research and collaborating with experts.

• Prioritize tasks based on urgency and importance

• Delegate responsibilities to team members based on their strengths

• Stay updated with latest research and developments in science

• Collaborate with experts in the field to gain insights and knowledg...read more

1st Angle projection symbol is a square with a dot inside while 3rd angle projection symbol is a square with three dots outside.

• 1st Angle projection is commonly used in Europe and Asia while 3rd angle projection is commonly used in North America.

• The symbol is used to indicate the orientation of the object being projected in relation to the viewing plane.

• In 1st Angle projection, the object is placed between the viewer a...read more

2D drawings are flat representations of a part or assembly, while 3D drawings show the part or assembly in three dimensions.

• 2D drawings are typically used for simpler parts or assemblies

• 3D drawings are more complex and allow for better visualization of the part or assembly

• 2D drawings show only two views, while 3D drawings can show multiple views and angles

• 3D drawings can be used for simulations and testing

• 2D drawings a...read more

2 stroke engines have a power stroke in every revolution, while 4 stroke engines have a power stroke in every other revolution.

• 2 stroke engines have a simpler design and are lighter than 4 stroke engines.

• 4 stroke engines are more fuel efficient and emit less pollution than 2 stroke engines.

• 2 stroke engines are commonly used in small power tools and some motorcycles, while 4 stroke engines are used in cars, trucks, and ...read more

Two stroke and four stroke engines differ in their working cycles and efficiency.

• Two stroke engines complete a power cycle in two strokes of the piston, while four stroke engines complete it in four strokes.

• Two stroke engines have a simpler design and are lighter, but are less fuel efficient and produce more emissions.

• Four stroke engines have separate intake, compression, power, and exhaust strokes, resulting in better...read more

Diesel engines and petrol engines differ in fuel type, ignition process, compression ratio, and efficiency.

• Fuel type: Diesel engines use diesel fuel, while petrol engines use gasoline.

• Ignition process: Diesel engines use compression ignition, while petrol engines use spark ignition.

• Compression ratio: Diesel engines have higher compression ratios than petrol engines.

• Efficiency: Diesel engines are generally more fuel-eff...read more

A turbocharger is a device that increases the efficiency and power output of an internal combustion engine.

• A turbocharger uses exhaust gases to drive a turbine, which in turn drives a compressor to force more air into the engine.

• By increasing the amount of air entering the engine, a turbocharger allows more fuel to be burned, resulting in increased power.

• Turbochargers are commonly used in diesel engines and high-perfor...read more