Grauer & Weil (i) Maintenance Manager Interview Questions and Answers

Q1. What is compressor and it's types
Ans. 
A compressor is a mechanical device that increases the pressure of a gas by reducing its volume.
• Types of compressors include reciprocating, rotary screw, centrifugal, and scroll compressors

• Reciprocating compressors use pistons to compress gas

• Rotary screw compressors use two rotating screws to compress gas

• Centrifugal compressors use a rotating impeller to create high-velocity gas flow

• Scroll compressors use two interleav
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Q2. SAP HANA S4 T codes
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Q1. Types of material of reactor
Ans. 
Reactors can be made of various materials depending on the application and requirements.
• Common materials include stainless steel, carbon steel, and titanium.

• Reactor linings can be made of glass, ceramic, or polymer materials.

• Materials must be chosen based on factors such as temperature, pressure, and chemical compatibility.

• Reactor materials must also be able to withstand corrosion and erosion over time.

• Materials used i...read more
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Q2. Remove to change reactor new sheel
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The question is unclear and lacks context.
• Please provide more information about the reactor and the new shell.

• What is the reason for removing the old shell?

• What tools and equipment are required for the job?

• What safety precautions need to be taken?

• Are there any specific procedures or guidelines to follow?

• Consult with experts and refer to manuals before attempting the task.
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Q3. Types of vessels entry
Ans. 
There are three types of vessels entry: Confined Space Entry, Hot Work Entry, and Cold Work Entry.
• Confined Space Entry involves entering a space that is enclosed and has limited access points.

• Hot Work Entry involves entering a space where welding, cutting, or other heat-producing activities are being performed.

• Cold Work Entry involves entering a space where maintenance or repair work is being done that does not involve...read more
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Q4. Types of blowers and full form of pm
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Blowers can be classified into centrifugal, positive displacement, and regenerative types. PM stands for Preventive Maintenance.
• Centrifugal blowers use centrifugal force to increase air pressure

• Positive displacement blowers use a mechanical means to trap and transport air

• Regenerative blowers use a rotating impeller to create air flow

• PM is a maintenance strategy that involves regular inspections and repairs to prevent e
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Q5. Types of empelr and no oil
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Empelr and no oil are not common terms in maintenance engineering. Please provide more context.
• Please provide more information or context for the terms empelr and no oil.

• Without context, it is difficult to provide a meaningful answer.

• It is possible that these terms are specific to a certain industry or company.

• Please clarify the question so that a proper answer can be given.
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What about utility it's operating ,preventive maintenance,breakdown maintenance etc
Injection molding machine Preventive maintenance and breakdown maintenance etc

Q1. Phosphate plant equipment questions
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Q1. 1. Types of Pump 2. Types of casing 3. Plant process 4. Major maintenance attend in your perious organisation periods 5. Centrifuge pusher 6. Mechanical seals 7. Boiler and Thermic fluid heater questions i...read more
Ans. 
Questions related to types of pumps, casing, plant process, maintenance, centrifuge pusher, mechanical seals, boiler and thermic fluid heater, pump efficiency, head measurement, and alignment method.
• Types of pumps include centrifugal, reciprocating, and rotary pumps

• Types of casing include volute, diffuser, and multistage casing

• Plant process involves the steps and equipment used in a manufacturing process

• Major maintenan...read more
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Q2. Mee plant? Process regarding?
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why are you looking for a change?
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Q5. Tell me about yourself.
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Q6. Where do you see yourself in 5 years?
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Q1. This question is about job
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Q1. What are your salary expectations?
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