Rais Hassan Saadi LLC Data Entry Operator Interview Questions and Answers

To extract data from a database, one can use SQL queries or programming languages like Python or R.

• Use SQL queries to extract data from a database

• Use programming languages like Python or R to extract data from a database

• Connect to the database using appropriate credentials

• Identify the tables and columns from which data needs to be extracted

• Write the query or code to extract the data

• Save the extracted data in a desired

Tableau has 14 datatypes including string, integer, float, date, boolean, and more.

• Tableau has 14 datatypes

• String, Integer, Float, Date, Boolean, and more

• Data types can be changed in Tableau

• Data types affect how data is displayed and aggregated

• Examples: String - 'John Smith', Integer - 25, Float - 3.14, Date - 01/01/2021, Boolean - True/False

Vlookup() is a function in Excel that can be used to copy records from one sheet to another based on a common identifier.

• The Vlookup() function searches for a value in the first column of a table array and returns a corresponding value in the same row from a specified column.

• The common identifier used in the Vlookup() function should be present in both the source and destination sheets.

• The Vlookup() function can be use...read more

SDLC stands for Software Development Life Cycle, which is a process used by software development teams to design, develop, and test high-quality software.

• SDLC consists of several phases including planning, analysis, design, implementation, testing, and maintenance.

• Each phase has its own set of activities and deliverables to ensure the software meets the requirements and quality standards.

• Examples of SDLC models include...read more

CAN protocol is a communication standard used in automotive and industrial applications.

• CAN protocol stands for Controller Area Network

• It is a message-based protocol used for communication between electronic control units (ECUs)

• CAN protocol allows for high-speed communication and real-time data transmission

• It is commonly used in automotive applications for functions such as engine control, transmission control, and bod...read more

I have a strong technical knowledge about pipeline design, construction, and maintenance.

• I am familiar with different types of pipelines such as oil, gas, water, and sewage pipelines.

• I have experience in designing pipeline routes, selecting materials, and calculating pressure drops.

• I am knowledgeable about pipeline construction techniques, including welding, trenching, and backfilling.

• I am skilled in pipeline inspectio...read more

Bar bending schedule is a document that provides details of reinforcement steel bars used in construction.

• It includes information like bar diameter, length, shape, and number of bars required for each structural element.

• It helps in estimating the quantity of steel required for a project and ensures that the reinforcement is placed correctly.

• It is prepared by a structural engineer or a detailer and is used by the site e...read more

Concrete is checked at site through various methods to ensure its quality and strength.

• Visual inspection of concrete surface

• Slump test to check consistency

• Compression test to check strength

• Ultrasonic testing to detect defects

• Core testing to check strength and uniformity

• Rebound hammer test to check surface hardness

• Temperature monitoring during curing process

• Checking for proper mix proportions and curing conditions

• Verifi...read more

Free fall in concrete refers to the process of pouring concrete without any external force to assist in its placement.

• Free fall is a method of placing concrete where it is allowed to fall from the mixer truck or pump without any external force.

• This method is used for small jobs or in areas where access is limited.

• It can result in segregation and air pockets in the concrete if not properly managed.

• Free fall height shoul...read more

Grade of concrete refers to the strength of the concrete mix.

• Grade of concrete is denoted by the ratio of cement, sand, and aggregate used in the mix.

• The strength of concrete increases with the increase in the grade of concrete.

• For example, M20 grade of concrete means the mix contains 1 part cement, 1.5 parts sand, and 3 parts aggregate.

• Higher grade of concrete is used for structures that require higher strength, such

Select fill material is a type of soil used to fill in areas where the ground needs to be raised or leveled.

• Select fill material is typically composed of clay, sand, and gravel.

• It is used in construction projects to create a stable base for buildings, roads, and other structures.

• The material is carefully selected and tested to ensure it meets specific engineering requirements.

• Examples of select fill material include cr...read more

Embedded length is the length of a reinforcing bar that is embedded in concrete.

• It is the length of a reinforcing bar that is embedded in concrete

• It is used to provide anchorage to the reinforcement in the concrete

• The length is determined by the diameter of the bar and the strength of the concrete

• It is important to ensure that the embedded length is sufficient to prevent failure of the structure

Safety in design refers to the process of incorporating safety measures and considerations into the design of a structure or system.

• Safety in design involves identifying potential hazards and risks and implementing measures to mitigate them.

• It includes considering factors such as fire safety, structural integrity, accessibility, and emergency evacuation.

• Designing with safety in mind can prevent accidents, injuries, and...read more