Al Osais International Holding Senior Mechanical Qa and Qc Engineer Interview Questions and Answers

Q1. What is the mechanism?
Ans. 
The mechanism refers to the physical or mechanical system that performs a specific function or task.
• Mechanisms are often made up of various components such as gears, levers, pulleys, and linkages.

• They are designed to convert input forces and motion into desired output forces and motion.

• Examples include a car engine, a door lock, a bicycle chain, and a robotic arm.
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Q2. What is the structure of an assembly?
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An assembly is a collection of parts or components put together to form a complete structure or machine.
• An assembly typically consists of multiple parts or components that are designed to fit together in a specific way.

• Each part in an assembly has a specific function and contributes to the overall functionality of the structure.

• Assemblies can range from simple structures like a chair to complex machines like a car or a...read more
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Q1. What means of tyre size
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Tyre size refers to the dimensions of a tire, including width, aspect ratio, and diameter.
• Tyre size is typically expressed as a series of numbers and letters on the sidewall of the tire.

• The first number represents the width of the tire in millimeters.

• The second number is the aspect ratio, which is the height of the tire's cross-section as a percentage of the width.

• The final number is the diameter of the wheel that the ...read more
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Q2. Diffrence between pan mixer and twin shaft mixer
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Pan mixer is a stationary mixer with a single shaft while twin shaft mixer has two horizontal shafts rotating in opposite directions.
• Pan mixer has a single shaft while twin shaft mixer has two horizontal shafts

• Twin shaft mixer provides better mixing efficiency and homogeneity compared to pan mixer

• Pan mixer is suitable for smaller batches while twin shaft mixer is used for larger production volumes
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Q1. What is the viscosity?
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Q1. Negotiable round
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Technical round and one by one person having questing and forward to answers

Q1. Regarding piping
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Q2. I have done piping also do then
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Q1. Brief in QMS why it is adopted
Ans. 
QMS is adopted to ensure consistent quality, meet customer requirements, and improve processes.
• Ensures consistent quality of products or services

• Helps meet customer requirements and expectations

• Improves processes and efficiency

• Reduces risks and errors

• Enhances customer satisfaction

• Provides a framework for continuous improvement
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Q2. Design mix procedure
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Design mix procedure involves determining the proportions of materials to create a concrete mix with desired properties.
• Identify the required strength and durability of the concrete

• Select suitable materials such as cement, aggregates, and water

• Calculate the proportions of each material based on mix design methods

• Test the mix to ensure it meets specifications

• Adjust the mix if necessary to achieve desired properties
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Q1. Material Testing
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Q2. Site Quality Management
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Q1. Explain the Underground Metro segment casting yard steam curing
Ans. 
Underground Metro segment casting yard steam curing is a process used to accelerate the strength gain of concrete segments for tunnel construction.
• Steam curing involves applying high temperature steam to the concrete segments to speed up the hydration process.

• This method helps in achieving the required strength of the segments in a shorter time period.

• Steam curing is often used in precast concrete production for underg...read more
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Q2. Explain the segment casting cycle
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Segment casting cycle is the process of creating segments for construction projects using precast concrete.
• Segments are cast in a controlled environment to ensure quality and consistency.

• The casting cycle includes preparing molds, pouring concrete, curing, demolding, and finishing.

• Segments are then transported to the construction site and assembled to form the final structure.
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Q3. Explain Segments repairing process
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Segments repairing process involves identifying and fixing issues in different sections of a product or system.
• Identify the specific segment that needs repair

• Analyze the root cause of the issue

• Develop a plan for repairing the segment

• Implement the repair process

• Test the repaired segment to ensure functionality
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Q1. Specifiacation of machinery
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Specification of machinery refers to the detailed requirements and characteristics of a machine or equipment.
• Includes dimensions, materials, performance criteria, and safety features

• Should be clearly defined to ensure proper design and functionality

• Examples: maximum load capacity, operating temperature range, power consumption
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Q2. Schedule maintenance interval
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Q1. Grade of concrete
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Grade of concrete refers to its strength and durability.
• Grade of concrete is determined by its compressive strength.

• It is denoted by a number followed by 'M' (e.g. M20, M25).

• Higher grade concrete has higher strength and durability.

• Different grades of concrete are used for different purposes.

• For example, M20 grade is commonly used for residential construction.
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Q2. Mix design of concrete
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Mix design of concrete involves determining the proportions of ingredients to achieve desired properties.
• Mix design is the process of determining the proportions of cement, water, aggregates, and admixtures in concrete.

• It involves considering factors such as strength, workability, durability, and economy.

• Various methods like the ACI method, British method, and DOE method can be used for mix design.

• The mix design proces...read more
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Q1. Status of my life style
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Q2. My behaviour and other
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