VE Commercial Vehicles Diploma Trainee Engineer Interview Questions and Answers

Q1. 1. Engin types 2. engin work according
Ans. 
There are various types of engines that work based on different principles.
• Engines can be classified based on fuel type, ignition type, and working principle.

• Examples of engine types include gasoline engines, diesel engines, electric motors, and steam engines.

• Engines work by converting fuel into energy, which is then used to power a vehicle or machine.

• The working principle of engines can be internal combustion, externa...read more
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Q2. 1. Break types 2. Break system
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Q1. What is a maintenance , type of maintenance , varniar calipers ,
Ans. 
Maintenance is the process of keeping equipment in good working condition. Varnier calipers are a type of measuring tool used for precision measurements.
• Maintenance involves regular inspections, repairs, and replacements to prevent breakdowns and ensure optimal performance.

• Types of maintenance include preventive maintenance (scheduled inspections and maintenance), predictive maintenance (using data to predict when main...read more
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Q1. Breaking type &Breaking system
Ans. There are four tpye of break 1.Disk break 2.Drum break 3. Anti lock break 3.Emergency break.
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Q2. What are the Breaking system
Ans. 
The braking system is a mechanism that allows a vehicle to slow down or stop by converting kinetic energy into heat.
• The braking system typically consists of components such as brake pads, brake calipers, brake rotors, and brake fluid.

• There are two main types of braking systems: drum brakes and disc brakes.

• Drum brakes use brake shoes that press against the inside of a drum to create friction and slow down the vehicle.

• Di...read more
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Q1. What is meen by current and voltage
Ans. 
Current is the flow of electric charge in a circuit, measured in Amperes. Voltage is the electrical potential difference between two points, measured in Volts.
• Current is the rate of flow of electric charge in a circuit

• Voltage is the electrical potential difference between two points

• Current is measured in Amperes (A)

• Voltage is measured in Volts (V)

• Ohm's Law relates current, voltage, and resistance: V = I * R
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Q2. What is meen by earthing
Ans. 
Earthing is the process of connecting electrical systems to the ground to prevent electric shocks and protect equipment.
• Earthing provides a path for fault currents to flow safely to the ground.

• It helps in stabilizing voltage levels and protecting against lightning strikes.

• Earthing is essential for safety in electrical systems to prevent electric shocks to humans and animals.

• Examples of earthing include grounding rods, ...read more
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Q1. Basic questions
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Q1. Difference between two stroke and four stroke engine?
Ans. 
Two-stroke and four-stroke engines differ in their operation and design.
• Two-stroke engines complete a power cycle in two strokes of the piston, while four-stroke engines complete it in four strokes.

• Two-stroke engines have a simpler design with fewer moving parts, while four-stroke engines are more complex.

• Two-stroke engines have higher power-to-weight ratio but lower fuel efficiency compared to four-stroke engines.

• Four...read more
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What is difference between petrol engine and diesel engine?

Classification of engine

Q1. What is Otto cycle?
Ans. 
Otto cycle is a four-stroke combustion cycle used in spark-ignition engines.
• It consists of four processes: intake, compression, power, and exhaust.

• It is used in gasoline engines.

• It is named after Nikolaus Otto, who invented the four-stroke engine.

• It is also known as the constant volume cycle.
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