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Khidmah Chiller Operator Interview Questions and Answers for Experienced
Khidmah Chiller Operator Interview Experiences for Experienced
1 interview found
Anonymous
I applied via Walk-in and was interviewed before Nov 2021. There were 2 interview rounds.
(2 Questions)
- Q1. Chilled water in let pressure
- Ans.
Chilled water in let pressure is the pressure of the water entering the chiller.
It is important to monitor the chilled water in let pressure to ensure the chiller is operating efficiently.
Low pressure can indicate a problem with the system, such as a leak or clogged filter.
High pressure can also indicate a problem, such as a malfunctioning valve or pump.
Typical chilled water in let pressure ranges from 40-60 psi.
Regula...
- Q2. Types of compressor and types of chiller compressor
- Ans.
There are various types of compressors used in chillers, including reciprocating, scroll, screw, and centrifugal compressors.
Reciprocating compressors use a piston and cylinder to compress refrigerant gas.
Scroll compressors use two spiral-shaped scrolls to compress refrigerant gas.
Screw compressors use two interlocking helical rotors to compress refrigerant gas.
Centrifugal compressors use centrifugal force to compress
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Interview questions from similar companies
(1 Question)
- Q1. Tell me about yourself
Selected
I applied via Approached by Company and was interviewed in Mar 2024. There were 2 interview rounds.
Sr.enjineer mock test
(1 Question)
- Q1. Ups safety realted Csu realted
(2 Questions)
- Q1. Share details of your previous job.
- Q2. Company introduction and JD
(1 Question)
- Q1. System releted question asking
Interview Preparation Tips
I applied via Company Website and was interviewed in Jun 2022. There were 2 interview rounds.
(1 Question)
- Q1. Working skill and basic knowledge and department oriented questions that's all
Interview Preparation Tips
(2 Questions)
- Q1. Parts of pumps and motors
- Ans.
Parts of pumps and motors include impeller, casing, shaft, bearings, and seals.
Impeller: Rotating component that generates the flow in a pump.
Casing: Encloses and supports the impeller and other parts of the pump.
Shaft: Transfers power from the motor to the impeller.
Bearings: Support and align the shaft within the pump.
Seals: Prevent leakage of fluid from the pump.
- Q2. About conveyor and their problems
(3 Questions)
- Q1. About conveyors and problems
- Q2. Parts of pumps and motors
- Ans.
Parts of pumps and motors include impeller, casing, shaft, bearings, and motor housing.
Impeller: Rotating component that generates the flow within the pump.
Casing: Encloses the impeller and directs the flow of fluid through the pump.
Shaft: Transfers the rotational energy from the motor to the impeller.
Bearings: Support the shaft and reduce friction during rotation.
Motor housing: Encloses the motor and provides protecti
- Q3. About yaskawa robot
I applied via Referral and was interviewed in Apr 2021. There were 4 interview rounds.
Interview Questionnaire
5 Questions
- Q1. Single Line Diagram of STP, it's operation and it's working
- Ans.
STP is a wastewater treatment plant that uses physical, chemical, and biological processes to remove pollutants from sewage.
STP receives sewage from households and industries through a network of underground pipes.
The sewage is screened to remove large objects and then sent to a grit chamber to remove sand and grit.
The sewage is then sent to a primary clarifier where solids settle to the bottom and are removed as sludg...
- Q2. Transformer working and it's safety
- Ans.
Transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
Transformers work on the principle of electromagnetic induction.
They consist of two or more coils of wire called windings.
The primary winding is connected to the input voltage source, while the secondary winding is connected to the load.
When an alternating current flows through the primary...
- Q3. DG sets safety and it's operation
- Ans.
DG sets safety and operation are crucial for uninterrupted power supply.
DG sets should be installed in a well-ventilated area to avoid carbon monoxide poisoning.
Regular maintenance and testing of DG sets are necessary to ensure their safe operation.
Proper grounding and earthing of DG sets are essential to prevent electrical hazards.
Emergency stop buttons and alarms should be installed to shut down the DG sets in case o...
- Q4. Soft skills, making PPT, DMR, MMR
- Q5. Load Management & balancing
Interview Preparation Tips
Selected
I was interviewed before Feb 2024.
(2 Questions)
- Q1. What is the role of (APFC)
- Ans.
The role of APFC (Automatic Power Factor Controller) is to maintain the power factor of electrical systems by automatically switching capacitors in and out of the circuit.
APFC monitors the power factor of the system and activates or deactivates capacitors accordingly.
It helps in reducing electricity bills by improving power factor and reducing reactive power consumption.
APFC ensures efficient utilization of electrical ...
- Q2. What is the Transformation Ratio?
- Ans.
Transformation ratio is the ratio of the number of turns in the primary winding to the number of turns in the secondary winding of a transformer.
Transformation ratio determines the voltage transformation between the primary and secondary windings of a transformer.
It is calculated as the ratio of the number of turns in the primary winding to the number of turns in the secondary winding.
For example, if a transformer has ...
Interview Preparation Tips
I applied via Referral and was interviewed before Nov 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. About my experience in low voltage system.
Interview Preparation Tips
(1 Question)
- Q1. Current job profile, reason of changing, able to do job, salary related, always ask them too high salary then they give u a small hike.
(1 Question)
- Q1. Leadec technical team questions us, as per requirement, HR will guide you what type of questions may come.
(1 Question)
- Q1. Customer technical, all related to your work, as per his requirements.
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