Indo Autotech Quality Engineer Interview Questions and Answers

2-stroke engines complete a power cycle in one revolution, while 4-stroke engines complete it in two revolutions.

• 2-stroke engines have a simpler design and are lighter than 4-stroke engines.

• 2-stroke engines have a higher power-to-weight ratio than 4-stroke engines.

• 4-stroke engines are more fuel-efficient and have a longer lifespan than 2-stroke engines.

• Examples of 2-stroke engines include chainsaws and dirt bikes, while examples of 4-stroke engines include cars and lawnmowers...read more

Otto cycle is used in gasoline engines while diesel cycle is used in diesel engines.

• Otto cycle has constant volume combustion while diesel cycle has constant pressure combustion.

• Otto cycle uses spark ignition while diesel cycle uses compression ignition.

• Otto cycle has higher thermal efficiency than diesel cycle.

• Diesel cycle has higher compression ratio than Otto cycle.

• Examples of engines using Otto cycle are gasoline cars and motorcycles while diesel trucks and buses use dies...read more

MIG welding is a process of joining metals using a consumable wire electrode and shielding gas.

• MIG stands for Metal Inert Gas welding

• It is commonly used in automotive and manufacturing industries

• Produces high-quality welds with minimal splatter

• Requires a constant voltage power source and a wire feeder

• Can be used on a variety of metals including steel, aluminum, and stainless steel

Drawing is the process of creating a design or plan, while bending is the process of shaping a material by applying force.

• Drawing involves creating a visual representation of an object or structure, while bending involves physically altering the shape of a material.

• Drawing is typically done on paper or computer software, while bending is done using tools such as a press brake or tube bender.

• Drawing is often used in the design phase of a project, while bending is used in the m...read more

QA is process-oriented and focuses on preventing defects, while QC is product-oriented and focuses on identifying defects.

• QA involves planning, designing, and implementing processes to ensure quality standards are met.

• QC involves testing and inspecting products to identify defects and ensure they meet quality standards.

• QA is proactive, while QC is reactive.

• QA is a preventive measure, while QC is a corrective measure.

• Example: QA involves creating test plans and test cases, whi...read more

There are several types of welding, including MIG, TIG, Stick, and Flux-Cored welding.

• MIG welding uses a wire electrode and a shielding gas to join two pieces of metal together.

• TIG welding uses a tungsten electrode and a filler metal to create a strong bond between two metals.

• Stick welding uses a consumable electrode coated in flux to create an arc and join two metals together.

• Flux-Cored welding uses a wire electrode with a flux core to create a protective shield around the w...read more

PPAP (Production Part Approval Process) has 5 stages to ensure quality of parts produced.

• Stage 1: Planning and defining the program

• Stage 2: Product design and development

• Stage 3: Process design and development

• Stage 4: Product and process validation

• Stage 5: Ongoing production, use, and feedback