Hitachi Astemo Line Associate Interview Questions and Answers

Q1. Q.1. What is current?
Ans. 
Current refers to the flow of electric charge in a circuit.
• Current is measured in Amperes (A)

• It is the rate of flow of electric charge

• Direct current (DC) flows in one direction, while alternating current (AC) changes direction periodically
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Q2. Q.2. What is transformer?
Ans. 
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Consists of two or more coils of insulated wire wrapped around a core

• Works on the principle of electromagnetic induction

• Used to increase or decrease voltage levels in electrical circuits

• Commonly used in power distribution systems

• Examples: step-up transformer, step-down transformer
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Q3. Q.3 what is emf?
Ans. 
EMF stands for electromotive force, which is a measurement of the energy that causes current to flow in an electrical circuit.
• EMF is measured in volts and represents the potential difference between two points in a circuit.

• It is often associated with batteries and power sources that provide energy to electrical devices.

• EMF can be calculated using Ohm's Law, which relates voltage, current, and resistance in a circuit.
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Have around 50 question

Q1. What is an advantage of mass production?
Ans. 
Mass production allows for lower costs due to economies of scale.
• Lower production costs per unit

• Increased efficiency in production processes

• Ability to meet high demand quickly

• Consistent quality control measures

• Examples: assembly line production in automotive industry, electronics manufacturing
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Q2. How to indicate fundamental deviation of hole in BIS system?
Ans. 
Fundamental deviation of hole in BIS system can be indicated by specifying the tolerance zone and the position of the hole.
• Specify the tolerance zone for the hole based on the BIS system standards.

• Measure the actual position of the hole and compare it to the specified tolerance zone.

• If the actual position of the hole falls outside the tolerance zone, indicate it as a fundamental deviation.
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Q1. What mechanism is used to convert linear motion of plunger to rotary motion of pointer in D.T.I?
Ans. 
A rack and pinion mechanism is used to convert linear motion of plunger to rotary motion of pointer in D.T.I.
• Rack and pinion mechanism consists of a gear (pinion) that meshes with a linear gear (rack) to convert linear motion into rotary motion.

• As the plunger moves linearly, it engages with the rack which in turn rotates the pinion, causing the pointer to move.

• This mechanism is commonly used in devices like dial indica...read more
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Basic electronic questines

Q1. Tell me about yourself
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Q2. Asking resume based question
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Q1. What happens there is what happens at the affectionate and the quality is being kept in mind
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The question is unclear and does not make sense.
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Q2. Im not ask any questions
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Q1. What types of semiconductor
Ans. 
Semiconductors are materials that have electrical conductivity between conductors and insulators.
• Semiconductors are used in various electronic devices such as transistors, diodes, and integrated circuits.

• Common types of semiconductors include silicon, germanium, gallium arsenide, and indium phosphide.

• Different semiconductor materials have different properties and are chosen based on specific applications.

• Semiconductors...read more
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Q2. Refrigerator which type of current passing
Ans. 
The current passing through a refrigerator is alternating current (AC).
• Refrigerators use AC current to power their compressors and other electrical components.

• AC current periodically changes direction, allowing the refrigerator to cool and maintain a consistent temperature.

• AC current is supplied by the electrical outlet and converted to the appropriate voltage by the refrigerator's power supply.

• Unlike direct current (D...read more
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Q1. 5s 3s safety fire
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Q2. 4m 3m your team member
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It's a simple question for a basic ITI trade releted.

Q1. What is the full form of DC?
Ans. 
DC stands for Direct Current.
• DC is a type of electric current that flows in one direction.

• It is commonly used in batteries, electronic devices, and power transmission systems.

• DC is different from AC (Alternating Current), which periodically changes direction.

• Examples of DC-powered devices include smartphones, laptops, and electric vehicles.
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Q2. What is the meaning of AC?
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AC stands for Alternating Current.
• AC is an electric current that periodically reverses direction.

• It is commonly used in household electrical systems and power transmission.

• AC is generated by power plants and distributed through power lines.

• It is represented by a sinusoidal waveform.

• AC is different from DC (Direct Current) which flows in only one direction.
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Q1. Who is the founder of Bosch Company?
Ans. 
Robert Bosch is the founder of Bosch Company.
• Robert Bosch founded Bosch Company in 1886.

• He started the company as a workshop for precision mechanics and electrical engineering.

• Bosch Company is now a multinational engineering and technology company.

• It is known for its automotive components, power tools, and home appliances.
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Q2. How many years of Bosch Company
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