Joshi Auto Zone Interview Questions and Answers

Adding petrol in diesel engine or vice versa can cause serious damage to the engine.

• Petrol in diesel engine can cause damage to fuel pump and injectors

• Diesel in petrol engine can cause damage to spark plugs and catalytic converter

• It is important to drain the fuel tank and flush the system if wrong fuel is added

• Prevention is better than cure, always double check before refueling

Fe-C equilibrium diagram shows the phases of iron-carbon alloys at different temperatures and compositions. Eutectic alloy is 4.3% carbon.

• Fe-C equilibrium diagram is a graphical representation of the phases of iron-carbon alloys at different temperatures and compositions.

• It shows the transformation of austenite to ferrite and cementite as the carbon content decreases.

• Eutectic alloy is the composition at which the liqui...read more

Hardness is the resistance of a material to indentation, while toughness is the ability of a material to absorb energy without fracturing.

• Hardness is a measure of a material's ability to resist deformation under an applied force.

• Toughness is a measure of a material's ability to absorb energy before fracturing.

• Hardness is often measured using the Mohs scale, while toughness is measured using impact tests.

• A diamond is ve...read more

Diesel engines have higher compression ratios and are more fuel-efficient than gasoline engines.

• Diesel engines compress air to a higher degree than gasoline engines, resulting in higher compression ratios.

• Higher compression ratios lead to better fuel efficiency and more power.

• Gasoline engines use spark plugs to ignite the fuel, while diesel engines use compression to ignite the fuel.

• Diesel engines are typically more ex

I have a valid driver's license for both cars and motorcycles.

• I have a Class C license for cars

• I also have a Class M license for motorcycles

• I have a clean driving record with no accidents or violations

I ride a road bike for commuting and a mountain bike for leisure.

• I prefer road bikes for their speed and efficiency on paved roads.

• I enjoy mountain biking for the challenge and adventure of off-road trails.

• I also have experience with hybrid bikes for their versatility.

• I prioritize safety and always wear a helmet and follow traffic laws.

• I have participated in charity rides and group rides for fun and community.

Vehicle testing involves various methods to ensure safety, performance, and compliance with regulations.

• Testing can include physical tests such as crash tests, durability tests, and performance tests.

• Simulation and modeling can also be used to test vehicle components and systems.

• Testing must comply with regulations set by organizations such as the National Highway Traffic Safety Administration (NHTSA) and the European

We conduct various types of homologation testing depending on the product and its intended market.

• We conduct safety testing to ensure compliance with local regulations.

• We perform emissions testing to ensure compliance with environmental regulations.

• We conduct performance testing to ensure the product meets the required standards.

• We also conduct durability testing to ensure the product can withstand the expected wear an...read more

I faced a defect in plastic commodity related to poor quality control during the manufacturing process.

• The defect was in the form of cracks and breakages in the plastic products.

• It was caused by inadequate monitoring and supervision during the molding and cooling stages.

• The defect resulted in a high number of rejected products and customer complaints.

• To address the issue, we implemented stricter quality control measure...read more