Mahindra Susten
10+ PrimEra Medical Technologies Interview Questions and Answers
Q1. How to transformer stability test
Transformer stability test is performed to ensure the reliable operation of the transformer under various operating conditions.
Transformer stability test involves subjecting the transformer to different load conditions and monitoring its performance.
The test is conducted to assess the ability of the transformer to withstand variations in load and maintain voltage regulation.
During the test, the transformer is operated at different load levels and the voltage, current, and tem...read more
Q2. How to HT panal CT and PT testing
HT panel CT and PT testing involves various steps to ensure accurate measurements.
Ensure the CT and PT are properly installed and connected.
Verify the primary and secondary windings of the CT and PT.
Perform ratio and polarity tests to confirm the accuracy of the CT and PT.
Check for any insulation issues or faults in the CT and PT.
Perform burden and accuracy tests to evaluate the performance of the CT and PT.
Record and analyze the test results to identify any discrepancies or ...read more
Q3. Your inverter make and capacity
The inverter make and capacity is not available.
I don't have the available data for the inverter make and capacity.
Unfortunately, I cannot provide any information regarding the inverter make and capacity.
I apologize, but I don't have access to the details of the inverter make and capacity.
Q4. What is the nepoint voltage
The nepoint voltage is the voltage at which a material transitions from being an insulator to a conductor.
Nepoint voltage is also known as the breakdown voltage or dielectric strength.
It is the voltage required to cause a significant increase in the conductivity of an insulating material.
The nepoint voltage depends on the properties of the material, such as its thickness and composition.
It is an important parameter in electrical insulation design and testing.
For example, in a...read more
Q5. How to calculate PR
PR can be calculated by dividing the number of mentions or citations of a person, product, or brand by the total number of mentions or citations in a given time period.
PR = Number of mentions or citations / Total number of mentions or citations
PR is often used to measure the visibility and reputation of a person, product, or brand
For example, if a company is mentioned 100 times in the media and there are a total of 1000 mentions in the same time period, the PR would be 0.1 or...read more
Q6. What is the shafty
A shaft is a rotating machine element, usually circular in cross section, which is used to transmit power.
A shaft is a mechanical component used to transmit rotational motion or power.
It is typically a cylindrical rod or bar that rotates within a bearing or other support structure.
Shafts are commonly found in various machines and equipment, such as engines, motors, pumps, and turbines.
They are often made of materials like steel or aluminum and can vary in length and diameter ...read more
Q7. Which type permit? Lifting activity safety process? Hot work hazard? Excavation precaution?
All three types of permits are important for ensuring safety in different activities.
Lifting activity safety process permit is required for any activity involving lifting heavy objects to ensure proper safety measures are taken.
Hot work hazard permit is necessary for any activity involving welding, cutting, or other activities that generate heat or sparks to prevent fire hazards.
Excavation precaution permit is needed for any activity involving digging or excavation to prevent...read more
Q8. Your transformer capacity
The capacity of my transformer is 500 kVA.
The capacity of a transformer is measured in kilovolt-amperes (kVA).
The higher the kVA rating, the more power the transformer can handle.
For example, a 500 kVA transformer can handle a maximum load of 500,000 volt-amperes.
The capacity of a transformer is determined based on the anticipated power requirements of the electrical system it serves.
Q9. Plant availability formula
Plant availability formula calculates the percentage of time a plant is available for operation.
Plant availability = (Operating hours / Total hours) * 100
Operating hours: the total number of hours the plant is operational
Total hours: the total number of hours in a given time period
Example: If a plant operates for 18 hours out of 24 hours in a day, the availability would be (18/24) * 100 = 75%
Q10. What is work permit? Hot work hazard,hazard impact, control measures
A work permit is a document that authorizes a worker to perform a specific job in a controlled manner.
Hot work hazard refers to any work that involves open flames, sparks, or high temperatures.
Hazard impact can include fire, explosions, burns, and damage to equipment or property.
Control measures include proper training, use of personal protective equipment, fire extinguishers, and ensuring proper ventilation.
Examples of work that require a work permit include welding, cutting...read more
Q11. Your plant capacity
Our plant has a capacity of 100,000 units per month.
Our plant can produce up to 100,000 units per month.
We have the capability to meet high production demands.
Our plant's capacity allows us to fulfill customer orders efficiently.
We have optimized our processes to maximize production output.
Q12. Protection device of power trafo name and work details
The protection device of a power transformer is called a Buchholz relay and it detects faults in the transformer oil.
Buchholz relay is installed in the pipeline between the transformer tank and the conservator tank
It detects faults such as overheating, overloading, and short circuits in the transformer oil
It works by detecting gas bubbles generated by the fault and tripping the transformer
It also provides an alarm signal to alert the operator of the fault
Regular maintenance a...read more
Q13. Technical point of vew
The technical point of view in civil engineering involves analyzing and solving complex problems related to infrastructure and construction.
Civil engineers use their technical expertise to design and construct buildings, bridges, roads, and other infrastructure projects.
They analyze the structural integrity of buildings and ensure they meet safety standards.
Civil engineers also consider environmental factors and sustainability in their designs.
They use various software and to...read more
Q14. Why mix desine .
Mix design is important for ensuring the desired properties and performance of concrete.
Mix design determines the proportions of ingredients in concrete to achieve the desired strength, workability, and durability.
It involves selecting the right combination of cement, aggregates, water, and admixtures.
Proper mix design can help prevent issues like cracking, segregation, and low strength in concrete structures.
Example: A mix design with a higher water-cement ratio may result i...read more
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