Sonalika Tractors PPC Engineer Interview Questions and Answers

Q1. What is Motors Principal
Ans. 
Motor's principal refers to the basic operating principle of an electric motor.
• Electric motors work on the principle of electromagnetic induction.

• They convert electrical energy into mechanical energy.

• The basic components of a motor include a stator, rotor, and commutator.

• Examples of motors include AC motors, DC motors, and brushless motors.
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Q2. What is function of controller
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The controller is a device that manages the operation of a system or machine by receiving input and sending output signals.
• Controls the operation of a system or machine

• Receives input signals

• Sends output signals

• Regulates and coordinates the functions of different components

• Examples: temperature controller in HVAC system, speed controller in a motor
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Basic question on aptitude

Topic on emotional intelligence in workplace

Q1. Based on basic concepts of material science
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Yes i want aptitude test plz share on me email
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Q1. Mechanical engineering Quality assurance
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Q2. Which type of ic engine
Ans. 
Internal combustion engines are classified into two main types: spark ignition (SI) engines and compression ignition (CI) engines.
• Spark ignition (SI) engines use a spark plug to ignite the fuel-air mixture, commonly found in gasoline engines.

• Compression ignition (CI) engines rely on the heat generated by compressing the air in the cylinder to ignite the fuel, commonly found in diesel engines.

• Each type of engine has its...read more
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Q3. Instrumental calibration
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Q4. How do you use instrument
Ans. 
Instruments are used in various ways in mechanical engineering, such as for measuring, testing, and analyzing different parameters.
• Instruments are used for measuring various parameters like temperature, pressure, flow rate, etc.

• Instruments are used for testing the performance of mechanical systems and components.

• Instruments are used for analyzing data and making informed decisions based on the results.

• Examples include ...read more
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Q5. What about a quality control
Ans. 
Quality control is essential in ensuring products meet standards and specifications.
• Quality control involves monitoring and testing products to ensure they meet specified standards.

• It helps identify defects or issues early in the production process.

• Quality control can involve inspections, testing, and audits to ensure consistency and reliability.

• Examples include checking dimensions of a part, testing the strength of a
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Q1. What is the ratio of air and fuel to start the engine ?
Ans. 
The ratio of air to fuel to start an engine is typically around 14.7:1.
• The ideal air-fuel ratio for starting an engine is known as the stoichiometric ratio, which is around 14.7 parts air to 1 part fuel.

• This ratio ensures complete combustion of the fuel and optimal engine performance.

• Different types of engines may require slightly different air-fuel ratios for starting, but 14.7:1 is a common standard.
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Q2. How to power goes to wheels ?
Ans. 
Power is transferred to the wheels through the drivetrain system, which includes components like the engine, transmission, driveshaft, differential, and axles.
• Power is generated by the engine, typically through combustion of fuel.

• The transmission transfers power from the engine to the driveshaft.

• The driveshaft sends power to the differential, which then distributes it to the axles.

• The axles rotate the wheels, propellin...read more
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Q1. Tell me about your project ?
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Q2. Tell me about your family ?
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Q1. What is the different between jig and fixature ?
Ans. 
Jigs are used to guide tools and hold workpieces in place, while fixtures are used to hold workpieces in a specific position during machining.
• Jigs are used to guide cutting tools, while fixtures are used to hold workpieces in place.

• Jigs are typically used for drilling, reaming, and tapping operations, while fixtures are used for milling, grinding, and turning operations.

• Jigs are often more complex and expensive than fi...read more
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Q2. What is 4 stroke engine ?
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A 4 stroke engine is an internal combustion engine that completes four separate strokes - intake, compression, power, and exhaust - in two crankshaft revolutions.
• Intake stroke: Fuel and air are drawn into the combustion chamber.

• Compression stroke: The fuel-air mixture is compressed by the piston.

• Power stroke: The spark plug ignites the mixture, causing an explosion that drives the piston down.

• Exhaust stroke: The piston...read more
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Q1. Tell me about you
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Aptitude was pretty on easy side , figurative reasoning and decision making was asked

Q1. Normal family questions was asked
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