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.
Answered by AI
Add your answer
Q2. What is the structure of an assembly?
Ans. 
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
Answered by AI
Add your answer

Q1. What means of tyre size
Ans. 
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
Answered by AI
Add your answer
Q2. Diffrence between pan mixer and twin shaft mixer
Ans. 
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
Answered by AI
Add your answer

Technical round and one by one person having questing and forward to answers

Q1. Regarding piping
Add your answer
Q2. I have done piping also do then
Add your answer

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
Answered by AI
Add your answer
Q2. Design mix procedure
Ans. 
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
Answered by AI
Add your answer

Q1. Material Testing
Add your answer
Q2. Site Quality Management
Add your answer

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
Answered by AI
Add your answer
Q2. Explain the segment casting cycle
Ans. 
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.
Answered by AI
Add your answer
Q3. Explain Segments repairing process
Ans. 
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
Answered by AI
Add your answer

Q1. Specifiacation of machinery
Ans. 
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
Answered by AI
Add your answer
Q2. Schedule maintenance interval
Add your answer

Q1. Grade of concrete
Ans. 
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.
Answered by AI
Add your answer
Q2. Mix design of concrete
Ans. 
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
Answered by AI
Add your answer

Q1. Status of my life style
Add your answer
Q2. My behaviour and other
Add your answer

Q1. What is first angle projection
Ans. 
First angle projection is a method of creating engineering drawings where the object is projected onto a plane in front of it.
• In first angle projection, the object is placed in the first quadrant of the viewing plane.

• The object is projected onto the plane from the perspective of the object looking towards the plane.

• Commonly used in Europe and Asia, while third angle projection is more common in the United States.

• Helps ...read more
Answered by AI
View 1 more answer
Q2. First law of thermodynamics
Ans. 
The first law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted.
• Energy can be transferred between systems or converted from one form to another.

• The total energy in a closed system remains constant.

• Mathematically expressed as: ΔU = Q - W, where ΔU is the change in internal energy, Q is heat added to the system, and W is work done by the system.

• Example: When a gas is compr...read more
Answered by AI
Add your answer
Q3. What is entropy
Ans. 
Entropy is a measure of disorder or randomness in a system.
• Entropy is a thermodynamic property that increases with the amount of disorder in a system.

• It is a measure of the unavailable energy in a closed thermodynamic system that is also usually considered to be a measure of the system's disorder.

• Entropy can be thought of as a measure of the number of specific ways in which a system may be arranged, often interpreted a...read more
Answered by AI
Add your answer