Luminar Technologies Interview Questions and Answers

Minimum bar size for square and round columns in construction

• Minimum bar size for square column is usually 4 bars of 12mm diameter

• Minimum bar size for round column is usually 6 bars of 12mm diameter

• The minimum bar size may vary based on the design requirements and load calculations

Approximately 500 bricks are required in 1 cubic meter.

• Approximately 500 bricks are required in 1 cubic meter.

• The number of bricks required can vary based on the size and type of bricks being used.

• It is important to consider wastage and breakage when calculating the quantity of bricks needed.

Brick quality at site can be checked by visual inspection, sound test, water absorption test, and dimension measurement.

• Visual inspection for cracks, chips, and uniformity in shape and size

• Sound test by tapping the brick to check for a clear ringing sound indicating good quality

• Water absorption test by immersing the brick in water and checking for absorption rate

• Dimension measurement to ensure uniformity in size

The maximum height of concrete can be determined by considering factors such as the strength of the concrete mix, formwork design, and pouring technique.

• The strength of the concrete mix plays a crucial role in determining the maximum height it can be poured without compromising structural integrity.

• The design and quality of formwork used to contain the concrete during pouring also impact the maximum height that can be achieved.

• Proper pouring techniques, such as using a pump o...read more

Grade M25 ratio is a mix design ratio used in concrete construction.

• Grade M25 ratio refers to the mix design of concrete where M denotes mix and 25 denotes the compressive strength of concrete in N/mm^2 after 28 days of curing.

• The ratio for Grade M25 concrete is 1:1:2, which means 1 part of cement, 1 part of sand, and 2 parts of coarse aggregates.

• This mix ratio is commonly used in construction projects requiring medium strength concrete.

• Proper water-cement ratio should also b...read more

Approximately 500 bricks are required in 1 cubic meter of space.

• The number of bricks required can vary based on the size and type of bricks used.

• Standard size bricks (190mm x 90mm x 90mm) typically require around 500 bricks per cubic meter.

• Different types of bricks, such as fire bricks or refractory bricks, may have different quantities required per cubic meter.

Digital marketing is the promotion of products or services using digital technologies.

• It involves various channels such as social media, email, search engines, and websites.

• The goal is to reach and engage with a target audience, increase brand awareness, and drive conversions.

• Digital marketing strategies include SEO, PPC advertising, content marketing, and social media marketing.

• Data analytics and tracking are essential to measure the success of digital marketing campaigns.

Social marketing is the use of social media platforms to promote a product or service.

• Social marketing involves creating and sharing content on social media platforms like Facebook, Twitter, Instagram, etc.

• The goal of social marketing is to increase brand awareness, drive traffic to a website, and ultimately increase sales.

• Social marketing can also involve paid advertising on social media platforms.

• Examples of successful social marketing campaigns include the ALS Ice Bucket C...read more