20+ NBTC GROUP Interview Questions and Answers

Breathing apparatus functions and how to operate

• Breathing apparatus is used to provide clean air to the wearer in hazardous environments

• It functions by filtering or supplying air from an external source

• There are different types of breathing apparatus such as self-contained breathing apparatus (SCBA) and supplied air respirators (SAR)

• To operate a breathing apparatus, one must first inspect it for any damage or defects

• Next, the apparatus should be properly donned, ensuring a ti...read more

Green field refers to a new construction site while brown field refers to an existing construction site.

• Green field is a new construction site that has not been developed before

• Brown field is an existing construction site that has been previously developed

• Green field projects are usually easier to manage and have fewer risks compared to brown field projects

• Brown field projects require more planning and assessment due to potential environmental hazards and existing infrastruct...read more

Safe man hours can be calculated by multiplying the number of workers by the number of hours worked without any accidents or injuries.

• Safe man hours = Number of workers x Number of hours worked without accidents

• This calculation helps measure the safety performance of a workforce

• For example, if there are 100 workers and they worked for 8 hours without any accidents, the safe man hours would be 800

A safety management system is a systematic approach to managing safety in an organization.

• It involves identifying hazards, assessing risks, and implementing controls to prevent accidents and injuries.

• It includes policies, procedures, and processes to ensure compliance with safety regulations and standards.

• It promotes a safety culture within the organization, encouraging employees to prioritize safety in their daily activities.

• Regular audits and inspections are conducted to mo...read more

Critical lifting refers to lifting operations that involve high risk and require careful planning and execution.

• Critical lifting involves lifting heavy loads that are close to or exceed the crane's capacity.

• It requires careful planning, risk assessment, and coordination between all parties involved.

• Examples of critical lifting include lifting large machinery, construction materials, and heavy equipment.

• Proper equipment and rigging techniques must be used to ensure the safety ...read more

Subcontractor safety management system refers to the safety measures implemented by subcontractors on a worksite.

• Subcontractors should have their own safety policies and procedures in place

• Subcontractors should be required to follow the safety policies and procedures of the main contractor

• Main contractor should ensure that subcontractors are properly trained and equipped to work safely

• Regular safety audits should be conducted to ensure subcontractors are complying with safety...read more

ADNOC plant has a facial hair policy for safety reasons.

• Facial hair must not interfere with the proper fit of respiratory protection equipment.

• Employees must be clean-shaven in the area where the respirator seals against the face.

• Exceptions may be made for religious or medical reasons, but alternative protective measures must be taken.

• Regular training and monitoring of compliance with the policy is necessary.

TRA stands for Task Risk Assessment. It is a process of identifying potential hazards and risks associated with a task or activity.

• TRA involves identifying the task or activity to be performed

• Identifying potential hazards and risks associated with the task

• Assessing the likelihood and severity of the identified hazards and risks

• Developing control measures to eliminate or reduce the identified hazards and risks

• Implementing and monitoring the control measures

• Examples of TRA incl...read more

HSE violence at site refers to any physical or verbal abuse towards employees or contractors that can cause harm or injury.

• HSE policies and procedures should be in place to prevent violence at the workplace

• Training and awareness programs should be conducted for employees and contractors

• Security measures such as CCTV cameras, access control systems, and security personnel should be implemented

• Prompt reporting and investigation of any incidents of violence should be done

• Discipl...read more

The parameters of health and safety profession include risk assessment, hazard identification, safety training, emergency preparedness, and regulatory compliance.

• Risk assessment to identify potential hazards and implement measures to mitigate them

• Hazard identification to recognize and evaluate potential risks to health and safety

• Safety training to educate employees on safe work practices and procedures

• Emergency preparedness to develop plans and procedures for responding to ac...read more

ASTM standard for Block works is ASTM C90.

• ASTM C90 is the standard specification for loadbearing concrete masonry units.

• It covers hollow and solid loadbearing concrete masonry units made from portland cement, water, and aggregates.

• The standard specifies the compressive strength, absorption, dimensions, and tolerances for concrete blocks.

• ASTM C90 also includes requirements for moisture content, density, and surface finish of the blocks.

Store management refers to the process of overseeing and controlling all aspects of a store's operations.

• Store management involves tasks such as inventory management, sales tracking, and staff supervision.

• It includes ensuring adequate stock levels, organizing merchandise displays, and implementing effective pricing strategies.

• Store managers are responsible for maintaining a clean and organized store environment.

• They also handle customer complaints, train and motivate staff, a...read more

Standard grout strength in PSI is typically around 2,000 to 5,000 PSI.

• Standard grout strength is usually between 2,000 to 5,000 PSI

• Higher strength grouts can have strengths up to 10,000 PSI or more

• Grout strength can vary depending on the mix design and curing conditions

Managed multiple projects involving piping systems for industrial facilities.

• Designed and implemented piping systems for new construction projects

• Oversaw maintenance and repairs of existing piping systems

• Coordinated with engineers, contractors, and vendors to ensure project specifications were met