Daimler India Commercial Vehicles Line Engineer Trainee Interview Questions and Answers

Electrical questions

Q1. Self introducing and background
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Q1. Experience and work base
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Q1. Which material used in piston
Ans. 
Pistons are typically made from aluminum alloy, cast iron, or steel.
• Aluminum alloy is lightweight and commonly used in high-performance engines.

• Cast iron is durable and often used in diesel engines.

• Steel pistons are strong and used in heavy-duty applications.
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Q2. What is role of crank in engine
Ans. 
The crank in an engine converts the linear motion of the pistons into rotational motion to drive the vehicle.
• The crankshaft is connected to the pistons through connecting rods, allowing the up and down motion of the pistons to be converted into rotational motion.

• The crankshaft rotates, transferring power to the transmission and ultimately to the wheels of the vehicle.

• The design of the crankshaft determines the engine's...read more
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Q1. What is the torque formule
Ans. 
Torque formula is used to calculate the rotational force acting on an object.
• Torque = Force x Distance

• The SI unit of torque is Newton-meter (Nm)

• Torque is a vector quantity, having both magnitude and direction

• Example: If a force of 10 N is applied at a distance of 5 meters from the pivot point, the torque would be 50 Nm
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Q2. What is full form of AEN
Ans. 
AEN stands for Assistant Engineer
• AEN stands for Assistant Engineer

• AEN is a common abbreviation used in engineering and technical fields

• Example: AEN John Smith is the Assistant Engineer responsible for the project
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Q1. What is a synchronous motor
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A synchronous motor is a type of AC motor where the rotation of the shaft is synchronized with the frequency of the supply current.
• Uses electromagnets to create a rotating magnetic field

• Requires a constant supply of AC power to maintain synchronization

• Commonly used in applications where precise speed control is required, such as in industrial machinery

• Examples include synchronous motors used in clocks, turntables, and
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