10+ Interview Questions and Answers

Answering questions related to BBS correction formula, characteristics of cement and aggregate, and detailed construction procedure for footing column plinth beam slab.

• BBS correction formula is used to calculate the weight of steel reinforcement required in a structure.

• Characteristics of cement include strength, setting time, and fineness while those of aggregate include size, shape, and texture.

• Detailed construction procedure for footing column plinth beam slab involves exca...read more

There are multiple types of isolation permits used in production.

• Isolation permits are used to ensure safety during production processes.

• Common types of isolation permits include electrical, mechanical, and hot work permits.

• Each type of isolation permit has specific requirements and procedures.

• For example, an electrical isolation permit is used when working on electrical systems to prevent accidental energization.

• A mechanical isolation permit is used when working on machinery...read more

Density of RCC is important for structural design. Various tests on aggregate ensure quality and strength.

• Density of RCC is typically around 2400 kg/m3

• Tests on aggregate include sieve analysis, specific gravity, and water absorption

• Sieve analysis determines the particle size distribution of the aggregate

• Specific gravity measures the density of the aggregate compared to water

• Water absorption measures the amount of water absorbed by the aggregate

The Construction Act is a UK law that regulates payment and dispute resolution in construction contracts.

• Also known as the Housing Grants, Construction and Regeneration Act 1996

• Requires parties to have written contracts and provides mechanisms for payment disputes

• Introduces adjudication as a quick and cost-effective way to resolve disputes

• Applies to all construction contracts in the UK, including those for engineering and infrastructure projects

Units of pressure are measured in Pascals (Pa) or pounds per square inch (psi). Flow rate is measured in liters per minute (L/min) or gallons per minute (GPM).

• Pressure units: Pa, psi

• Flow rate units: L/min, GPM

• Pressure is the force exerted per unit area

• Flow rate is the volume of fluid passing through a given area per unit time

PPE stands for Personal Protective Equipment.

• PPE is equipment worn to minimize exposure to hazards that can cause serious injuries or illnesses.

• It includes items such as helmets, gloves, goggles, masks, and protective clothing.

• PPE is used in various industries like construction, manufacturing, healthcare, and more.

• Examples of PPE include hard hats for construction workers, safety glasses for laboratory technicians, and respirators for healthcare workers.

• PPE plays a crucial ro...read more

A control valve is a device used to regulate the flow of a fluid in a process system by varying the size of the flow passage.

• Control valves are essential components in process control systems

• They can be operated manually or automatically

• Control valves can be used to control flow rate, pressure, temperature, or level in a system

• Examples include globe valves, butterfly valves, and ball valves

Check valves can be tested by applying pressure to the upstream side and checking for any leakage on the downstream side.

• Apply pressure to the upstream side of the check valve

• Check for any leakage on the downstream side

• Use a pressure gauge to monitor pressure levels

• Inspect the valve for any signs of damage or wear

• Perform regular maintenance to ensure proper functioning

Absolute pressure is the total pressure exerted by a fluid, including atmospheric pressure.

• Absolute pressure is measured relative to a perfect vacuum (0 PSIA).

• It includes both the pressure exerted by the fluid itself and the atmospheric pressure.

• Common units for absolute pressure include PSIA (pounds per square inch absolute) and kPa (kilopascals).