ND Sons Trainee Interview Questions and Answers

Yes, I know javascript.

• I have experience in building web applications using javascript.

• I am familiar with popular javascript frameworks like React and Angular.

• I have worked on projects that involve using javascript for front-end and back-end development.

Program to remove duplicate values from array of strings

• Create a new empty array

• Loop through the original array

• Check if value already exists in new array

• If not, add it to new array

Admixtures are substances added to concrete to enhance its properties. They can be classified into different types.

• Water-reducing admixtures: reduce the amount of water needed for a given concrete mix

• Retarding admixtures: delay the setting time of concrete

• Accelerating admixtures: speed up the setting time of concrete

• Air-entraining admixtures: introduce tiny air bubbles to improve workability and durability

• Superplastici...read more

Mineral admixtures have several disadvantages in construction.

• Mineral admixtures can affect the workability of concrete, making it more difficult to handle and place.

• They may increase the setting time of concrete, leading to delays in construction.

• Some mineral admixtures, such as fly ash, can have a negative impact on the strength and durability of concrete.

• Mineral admixtures may introduce variability in concrete prope...read more

The water cement ratio is affected by the addition of admixture.

• The water cement ratio is the ratio of the weight of water to the weight of cement in a concrete mix.

• When an admixture is added, it can change the properties of the concrete mix, including the water cement ratio.

• Some admixtures, such as water-reducing admixtures, can decrease the water cement ratio by allowing for a lower water content while maintaining wo...read more

I am based in [location].

• I am currently based in [location].

• My current location is [location].

• I am located in [location].