Parason Machinery Maintenance Engineer Interview Questions and Answers

Q1. As a fresher most of all interview questions were about unit conversion and basic elements of mechanical engineering.
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They are giving 50 Mark's shirt questions

Q1. Technical round is there one to one interview
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Q2. How centrifugal pump work What is w33 etc
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Centrifugal pumps work by converting rotational kinetic energy into hydrodynamic energy to move fluid through the pump.
• Centrifugal pumps use a rotating impeller to create a low pressure at the inlet and high pressure at the outlet, causing fluid to flow through the pump.

• The impeller spins at high speeds, imparting kinetic energy to the fluid which is then converted to pressure energy as it exits the pump.

• The pump housi...read more
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Q1. How much salary you want
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Q2. Less salary we can pay as you are local
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Technical head and vp asking questions and assessment

Q1. What is engine?
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An engine is a machine that converts fuel into mechanical energy to produce power.
• An engine typically consists of cylinders, pistons, valves, and a crankshaft.

• Engines can be classified into different types such as internal combustion engines, steam engines, and electric motors.

• Examples of engines include gasoline engines in cars, diesel engines in trucks, and jet engines in airplanes.
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Q2. What is clutch?
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A clutch is a mechanical device used to connect and disconnect the power transmission between two rotating shafts.
• Clutches are commonly used in vehicles to engage and disengage the engine from the transmission to change gears.

• There are different types of clutches such as friction clutches, hydraulic clutches, and electromagnetic clutches.

• Clutches can be operated manually by the driver or automatically by the vehicle's ...read more
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Q3. Difference between 2 stroke and 4 stroke engine?
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2 stroke engines have power strokes every revolution, while 4 stroke engines have power strokes every other revolution.
• 2 stroke engines have a simpler design with fewer moving parts compared to 4 stroke engines.

• 2 stroke engines require a fuel-oil mixture for lubrication, while 4 stroke engines have a separate oil reservoir.

• 2 stroke engines produce more pollution due to incomplete combustion, while 4 stroke engines are ...read more
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Q4. Difference between petrol and diesel engine
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Petrol engines use spark ignition, while diesel engines use compression ignition.
• Petrol engines use a spark plug to ignite the fuel-air mixture, while diesel engines rely on compression to ignite the fuel.

• Petrol engines are lighter and more responsive, while diesel engines are more fuel efficient and have higher torque.

• Petrol engines are typically used in cars and motorcycles, while diesel engines are commonly found in
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Q1. Basic details and previous experience
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Q2. Details about previous company
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Q1. Star delta starter and DOL
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Q2. Question on Transformer...
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Q1. Type of brine chiller How to identify SS304 and SS316 Difference between Vecolity and Acceleration in Vibration measurement How to check torque if you have known valve of motor power ,input and output RPM
Ans. 
Identifying types of brine chillers, SS304 and SS316, differences between velocity and acceleration in vibration measurement, and checking torque based on motor power, input and output RPM.
• Brine chillers can be identified based on their cooling capacity, refrigerant type, and construction material.

• SS304 and SS316 can be identified by their composition - SS304 contains 18% chromium and 8% nickel, while SS316 contains 16...read more
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Q2. Basic knowledge or maintenance TPM policy Projects Difficulties faced and learnings
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Q1. Tell me about your self,
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Q1. Yet to attend the interview, Personal details Tell me about your self
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Q1. Yet to attend ,
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