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Sahrudaya Healthcare (Medicover Hospitals) Interview Questions and Answers
Q1. What is distillation ? Distillation column
Distillation is a process used to separate components of a liquid mixture based on differences in boiling points in a distillation column.
Distillation is a separation process where a liquid mixture is heated to create vapor and then cooled to condense the vapor back into liquid form.
The components of the mixture have different boiling points, allowing them to be separated based on their vapor pressures.
The distillation column is a vertical tower filled with trays or packing m...read more
Q2. What is mass transfer? And what is diffusion
Mass transfer is the movement of substances from one place to another, while diffusion is the movement of molecules from an area of high concentration to an area of low concentration.
Mass transfer involves the movement of substances such as molecules, ions, or atoms from one location to another.
Diffusion is a type of mass transfer where molecules move from an area of high concentration to an area of low concentration.
Diffusion occurs due to the random motion of molecules and ...read more
Q3. What is chemical formula of toluene?
The chemical formula of toluene is C7H8.
Chemical formula: C7H8
Toluene is a common solvent used in various industries
It is also known as methylbenzene
Q4. Type of heat exchanger? And their application?
There are various types of heat exchangers including shell and tube, plate, and finned tube. They are used in industries like chemical, petrochemical, and HVAC.
Shell and tube heat exchangers are commonly used in industries like chemical and petrochemical for high-pressure applications.
Plate heat exchangers are compact and efficient, often used in HVAC systems and food processing.
Finned tube heat exchangers are used in applications where heat transfer efficiency is crucial, su...read more
Q5. Chemical reaction of amonia making Haibber method
Haber process is a method used to produce ammonia through the reaction of nitrogen and hydrogen in the presence of an iron catalyst.
The reaction equation is N2 + 3H2 -> 2NH3
The process is carried out at high pressure (200 atm) and high temperature (450°C)
Iron catalyst is used to speed up the reaction
Ammonia is formed as a product
Q6. Chemical formula of acidic acid and alchohal
Chemical formula of acidic acid is CH3COOH and alcohol is C2H5OH.
Acidic acid chemical formula: CH3COOH
Alcohol chemical formula: C2H5OH
Q7. Type of pump? Type of valve?
Centrifugal pump and gate valve are commonly used in chemical engineering.
Centrifugal pump is commonly used for transferring liquids in chemical processes
Gate valve is often used to control the flow of fluids in pipelines
Other types of pumps include diaphragm pump, gear pump, and reciprocating pump
Other types of valves include ball valve, globe valve, and butterfly valve
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