Voltas Associate Sales Engineer and Analyst Interview Questions and Answers

Basic domian and aptitude test

Q1. Basic questions on thermodynamics and heat transfer
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Q2. Wet bulb temperature dry bulb temperature
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Wet bulb temperature is the lowest temperature that can be achieved through evaporative cooling. Dry bulb temperature is the ambient air temperature.
• Wet bulb temperature is measured using a thermometer with a wet wick around the bulb, which is then exposed to moving air.

• Dry bulb temperature is measured using a regular thermometer that is shielded from direct sunlight.

• The difference between wet bulb and dry bulb tempera...read more
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Q3. Air conditioning system
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Q4. Refrigeration cycle and types
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Refrigeration cycle is a process of removing heat from a low-temperature reservoir and transferring it to a high-temperature reservoir.
• There are four main components in a refrigeration cycle: compressor, condenser, expansion valve, and evaporator.

• Types of refrigeration cycles include vapor compression, absorption, and gas cycle.

• Vapor compression cycle is the most common type of refrigeration cycle used in air condition...read more
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Q1. Introduce yourself for a while
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Q2. Tell me about your family
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Q3. About previous college where you studied
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Q4. Why do you prefer this job
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