Nesma & Partners Mechanical Engg. Design Interview Questions and Answers

HIRA stands for Hazard Identification and Risk Assessment. Hierarchy of Control Measures is a systematic approach to eliminate or minimize hazards.

• HIRA is a process of identifying potential hazards and analyzing the associated risks.

• Hierarchy of Control Measures is a step-by-step approach to eliminate or minimize hazards.

• The hierarchy includes five levels: elimination, substitution, engineering controls, administrative...read more

Precautions must be taken to ensure safe lifting work.

• Assess the weight of the load and ensure it is within the safe lifting limit.

• Use proper lifting techniques, such as bending at the knees and keeping the back straight.

• Wear appropriate personal protective equipment, such as gloves and safety shoes.

• Ensure the lifting area is clear of obstacles and hazards.

• Use mechanical aids, such as cranes or forklifts, for heavy loa...read more

There are several types of ducts and joints used in HVAC systems.

• There are four main types of ducts: round, rectangular, oval, and flexible.

• Duct joints can be classified as slip joints, drive connections, flanged joints, and snap-lock joints.

• The type of duct and joint used depends on the specific HVAC system and its requirements.

• Proper installation and sealing of ducts and joints is crucial for efficient and effective

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