Hitachi Astemo Rajasthan Brake Systems
10+ Interview Questions and Answers
Q1. What is the least count ? Vernier caliper least count?
The least count is the smallest measurement that can be made using a measuring instrument.
Least count is the resolution or precision of a measuring instrument.
It determines the smallest unit of measurement that can be read on the instrument.
For a vernier caliper, the least count is the difference between one main scale division and one vernier scale division.
The formula to calculate the least count of a vernier caliper is: Least Count = (1 main scale division) - (1 vernier sc...read more
Q2. Our duty for costomers to provide a better quality and low cost price for product
Providing better quality and low cost products is our duty towards customers.
We can achieve this by optimizing our production process and reducing wastage.
We can also negotiate better deals with suppliers to reduce raw material costs.
Using technology to automate certain processes can also help reduce costs.
We should also focus on continuous improvement to ensure that our products are of the highest quality.
Offering discounts or promotions can also help attract customers while...read more
Q3. What's your feverate subject?
My favorite subject is mechanical engineering.
I have always been fascinated by the principles of mechanics and how they are applied in various machines and systems.
I enjoy studying topics like thermodynamics, fluid mechanics, and machine design.
One of my favorite projects was designing and building a working model of a steam engine.
I also find the field of robotics intriguing, as it combines mechanical engineering with electronics and programming.
I believe that mechanical eng...read more
Q4. Principle of hydrolic disc brake
Hydraulic disc brakes work on the principle of converting hydraulic pressure into mechanical force to stop the rotation of a disc.
Hydraulic disc brakes use a master cylinder, brake fluid, calipers, and brake pads.
When the brake pedal is pressed, it activates the master cylinder, which pressurizes the brake fluid.
The pressurized brake fluid is then sent to the calipers, which contain pistons.
The pistons in the calipers push the brake pads against the disc, creating friction an...read more
Q5. Hydraulic Break work?
Hydraulic brakes work by using fluid pressure to transfer force from the brake pedal to the brake pads, resulting in the vehicle slowing down or stopping.
Hydraulic brakes use brake fluid to transfer force from the brake pedal to the brake pads
When the brake pedal is pressed, the brake fluid is forced through the brake lines to the brake calipers
The brake calipers then squeeze the brake pads against the brake rotors, creating friction and slowing down the vehicle
Hydraulic brak...read more
Q6. Principal of hydraulic brake?
The principal of hydraulic brake is based on Pascal's law, which states that pressure applied to a fluid in a closed system will be transmitted equally in all directions.
Hydraulic brake system uses brake fluid to transmit pressure from the brake pedal to the brake calipers or wheel cylinders.
When the brake pedal is pressed, the brake fluid is forced through the brake lines, applying pressure to the brake pads or shoes, which then press against the brake rotor or drum to slow ...read more
Q7. what is casting ?
Casting is a manufacturing process in which a liquid material is poured into a mold, where it solidifies into the desired shape.
Liquid material is poured into a mold
Material solidifies into desired shape
Commonly used for metal objects like engine blocks and sculptures
Q8. What is 5s ?
5s is a methodology for organizing a workplace, focusing on efficiency and effectiveness by maintaining cleanliness and order.
Sort - Separate necessary items from unnecessary ones.
Set in order - Arrange items in a logical and efficient manner.
Shine - Clean and inspect the work area regularly.
Standardize - Establish standards and procedures for maintaining the first three S's.
Sustain - Ensure the practices are consistently followed and improved upon.
Example: Implementing 5s in...read more
Q9. What is kaizen?
Kaizen is a Japanese business philosophy of continuous improvement in processes and products.
Kaizen focuses on making small, incremental changes to improve efficiency and quality.
It involves all employees in the organization, from top management to frontline workers.
Kaizen promotes a culture of continuous learning and innovation.
Examples of kaizen include implementing 5S methodology, setting up suggestion systems, and conducting regular process audits.
Q10. Type of breaker?
Different types of breakers include circuit breakers, fuse breakers, and earth leakage circuit breakers.
Circuit breakers are automatic electrical switches designed to protect an electrical circuit from damage caused by overload or short circuit.
Fuse breakers use a fuse to interrupt the circuit when an overload occurs.
Earth leakage circuit breakers detect small stray voltages on the metal enclosures of electrical equipment and interrupt the circuit if a dangerous voltage is de...read more
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