Micro Labs Electrical Maintenance Engineer Interview Questions and Answers

Q1. Details explaination about HVAC
Ans. 
HVAC stands for Heating, Ventilation, and Air Conditioning. It refers to the technology used for indoor environmental comfort.
• HVAC systems control temperature, humidity, and air quality in buildings.

• Heating is provided through furnaces, boilers, or heat pumps.

• Ventilation involves the exchange of indoor and outdoor air to maintain air quality.

• Air conditioning cools and dehumidifies the air using refrigeration cycles.

• HVA...read more
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Q2. How to calculate theACPH..?
Ans. 
ACPH can be calculated by dividing the total annual cooling load by the total annual cooling hours.
• ACPH stands for Annual Cooling Performance Hours.

• To calculate ACPH, you need to know the total annual cooling load and the total annual cooling hours.

• Divide the total annual cooling load by the total annual cooling hours to get the ACPH value.

• For example, if the total annual cooling load is 1000 kWh and the total annual c...read more
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Q3. Classification of clean room
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Clean rooms are classified based on the level of cleanliness required for specific applications.
• Clean rooms are classified according to the number and size of particles allowed per cubic meter of air.

• The classification is determined by international standards such as ISO 14644-1.

• Clean room classifications range from ISO Class 1 (highest cleanliness) to ISO Class 9 (lowest cleanliness).

• Each classification has specific r...read more
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Q4. Type of bearing..?
Ans. 
There are various types of bearings used in engineering, including ball bearings, roller bearings, and plain bearings.
• Ball bearings are the most common type of bearing and consist of a series of balls held in a raceway.

• Roller bearings use cylindrical or tapered rollers to support a load.

• Plain bearings, also known as bushings, have a sliding surface and are used when low friction is required.

• Other types of bearings incl...read more
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Q5. Equipment qualification..?
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Q1. Tell me about yourself.
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Anshu pal

Hard work company

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Q1. Subjects and theoritical knowledge ,previous company experience
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