Roots Multiclean Junior Mechanical Engineer Interview Questions and Answers

Two easy level and one medium level code

Q1. From resume and project
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Q1. Mechanical Seal Leakage how to say primary Seal Or Secondary seal Problem
Ans. 
Identifying primary or secondary seal problem in case of mechanical seal leakage.
• Check the location of the leakage to determine if it's the primary or secondary seal

• Primary seal leakage occurs on the product side while secondary seal leakage occurs on the atmospheric side

• Inspect the seal faces for wear and damage to identify the root cause of the leakage

• Check the seal flush and quench connections for blockages or impro...read more
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Q1. What are your hobbies?
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Q2. Will you be able to complete the task given to you?
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Q3. What's your future goals and desires?
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Q1. What about engine?
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Q2. Working process of motor?
Ans. 
A motor converts electrical energy into mechanical energy through electromagnetic principles.
• Electric current flows through the motor's windings, creating a magnetic field.

• The interaction between the magnetic field and rotor induces motion.

• Types of motors include AC motors (e.g., induction motors) and DC motors (e.g., brushed motors).

• Speed and torque can be controlled by varying voltage or frequency.

• Applications range ...read more
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All Cummins engine questions

Q1. How types of Cummins engine
Ans. 
Cummins engines are available in various types including diesel, natural gas, and hybrid options.
• Cummins diesel engines are commonly used in heavy-duty trucks and construction equipment

• Cummins natural gas engines are popular for use in buses and other transportation vehicles

• Cummins offers hybrid engines that combine diesel and electric power for increased efficiency

• Other types of Cummins engines include marine engines
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Q2. How types of stock
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There are two main types of stock: common stock and preferred stock.
• Common stock represents ownership in a company and typically comes with voting rights.

• Preferred stock usually does not have voting rights but has a higher claim on assets and earnings.

• Stock can also be classified based on market capitalization (small-cap, mid-cap, large-cap) or sector (technology, healthcare, finance).
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Q3. How types of thermostat
Ans. 
Thermostats can be categorized into mechanical, electronic, programmable, and smart thermostats.
• Mechanical thermostats use a bimetallic strip to control temperature.

• Electronic thermostats use electronic sensors to detect temperature changes.

• Programmable thermostats allow users to set schedules for heating and cooling.

• Smart thermostats can be controlled remotely via smartphone apps and may have features like learning al...read more
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Q4. What engine attended saying in model
Ans. 
The question is asking about the engine specifications of a specific model.
• Identify the specific model being referred to

• Provide details about the engine specifications of that model

• Include any unique features or upgrades of the engine
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Q5. What is cooling system
Ans. 
Cooling system is a mechanism used to remove heat from a space or substance to maintain a lower temperature.
• Cooling systems can be found in various applications such as air conditioning units, refrigerators, and computer systems.

• They typically involve the circulation of a coolant or refrigerant to absorb and transfer heat away from the desired area.

• Cooling systems can be either air-cooled or liquid-cooled, depending on
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Q1. About back ground
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Q1. About family background
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Q1. Family inquiry or other
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Q2. Education baground
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Q1. Experience based Questions
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Q2. Plc and vfd or electrical system
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Q1. Elevator related
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Q2. Regarding servicing of VFDs
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Q1. Identification of error
Ans. 
By conducting thorough system analysis, testing, and utilizing diagnostic tools.
• Conduct thorough system analysis to understand the system's functionality and potential issues.

• Perform testing to identify any abnormalities or malfunctions in the system or equipment.

• Utilize diagnostic tools such as multimeters, oscilloscopes, and software programs to pinpoint errors.

• Review error logs and system documentation for clues on ...read more
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Q2. Repairing
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