S P Singla Constructions QC Engineer Interview Questions and Answers

The test is very difficult you have to complete all 20 questions which consist GC , subject related

Q1. What is the wave trape?
Ans. 
A wave trap is a device used in electrical engineering to prevent unwanted signals or frequencies from entering a system.
• Wave traps are typically used in power systems to filter out specific frequencies that can cause interference.

• They are designed to allow only desired signals to pass through while blocking unwanted signals.

• Wave traps can be used in substations, transmission lines, and other electrical systems to impr...read more
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Q2. Which types of circuit breaker use in substation
Ans. 
Types of circuit breakers used in substations include air circuit breakers, oil circuit breakers, vacuum circuit breakers, and SF6 circuit breakers.
• Air circuit breakers are commonly used in low voltage applications.

• Oil circuit breakers are used in high voltage applications.

• Vacuum circuit breakers are compact and reliable, suitable for medium voltage applications.

• SF6 circuit breakers are used in high voltage substations
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Global warming ,covid-19, current affairs

Q1. Bricks type and brick water absorption capacity
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Q2. Quality lab and site test of concrete
Ans. 
Quality lab and site test of concrete involves testing the strength, durability, and consistency of concrete samples.
• Quality lab tests include compressive strength test, slump test, air content test, and temperature test.

• Site tests involve sampling concrete from the construction site, conducting field tests like slump test and air content test, and monitoring curing conditions.

• Quality engineers ensure that concrete mee...read more
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Q3. Pile foundation test, rebound hummer, uv test
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Q4. Silt content test
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Q5. Aggregate test flakiness and elongation test
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Q1. What is the types of Compressors?
Ans. 
Types of compressors include reciprocating, rotary, centrifugal, and axial compressors.
• Reciprocating compressors use pistons to compress air or gas.

• Rotary compressors use rotating mechanisms such as screws or vanes.

• Centrifugal compressors use a rotating impeller to create centrifugal force.

• Axial compressors use rotating blades to compress air in a straight line.

• Examples include reciprocating air compressors, rotary scr...read more
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Q2. What are the Procedure to install the Centrifugal axial compressors?.
Ans. 
The procedure to install centrifugal axial compressors involves proper planning, alignment, assembly, and testing.
• Ensure proper foundation is prepared to support the compressor

• Align the compressor with the piping system for proper flow

• Assemble the compressor components according to manufacturer's instructions

• Test the compressor for performance and efficiency before final installation
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Q3. Types of pump and it's classifications?
Ans. 
Types of pumps include centrifugal, positive displacement, and axial flow pumps.
• Centrifugal pumps: use centrifugal force to move fluid through the pump

• Positive displacement pumps: move fluid by trapping a fixed amount and forcing it through the discharge port

• Axial flow pumps: move fluid parallel to the pump shaft
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Q4. Lifting Plan Procedure?
Ans. 
A lifting plan procedure is a detailed plan outlining the steps and precautions to be taken when lifting heavy objects.
• Identify the weight and dimensions of the object to be lifted

• Determine the appropriate lifting equipment needed

• Assess the location and environment for any obstacles or hazards

• Assign roles and responsibilities to team members involved in the lift

• Communicate clearly and follow the plan step by step

• Conduc...read more
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Q5. Pumps Capacity?
Ans. 
Pumps capacity refers to the maximum flow rate a pump can handle.
• Pumps capacity is typically measured in gallons per minute (GPM) or liters per minute (LPM).

• It is important to consider the required flow rate when selecting a pump for a specific application.

• Factors such as pump size, motor power, and system pressure affect the capacity of a pump.

• For example, a centrifugal pump may have a capacity of 500 GPM, while a dia
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Q6. Methods statement of rotating and static equipment.
Ans. 
Methods statement for maintaining rotating and static equipment in mechanical engineering.
• Regular inspection and maintenance schedules for both rotating and static equipment

• Use of proper lubrication for rotating equipment to prevent wear and tear

• Checking alignment and balance of rotating equipment to ensure smooth operation

• Testing and calibrating static equipment for accuracy and efficiency

• Following manufacturer's guid...read more
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Q1. Asking about project in resume
Ans. You should have great knowledge about your project
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Q1. Example of qa & qc
Ans. 
QA (Quality Assurance) focuses on preventing defects in the process, while QC (Quality Control) focuses on identifying defects in the product.
• QA involves processes and procedures to ensure quality standards are met

• QC involves testing and inspection to identify defects in the product

• Example: QA - creating test plans, QC - executing test cases
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Q1. About Quality management system
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Q2. Health Safety & Environment
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Q3. About Standard, Procedure & Specification
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Q4. Internal & External Audit
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Q1. What is concrete temperature
Ans. 
Concrete temperature refers to the temperature of freshly mixed concrete before it sets.
• Concrete temperature affects the setting time and strength development of concrete.

• It is important to monitor and control the temperature of concrete during mixing, transportation, and placement.

• The ideal temperature range for concrete is typically between 50-75 degrees Fahrenheit.

• Extreme temperatures can lead to issues such as ther...read more
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Q1. Earth foundation related
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Q2. Concrete work related
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