SML Isuzu Assistant Research and Development Manager Interview Questions and Answers

Basic Level Aptitude and technical test

Group of 8 people in GD. Non eliminating Round. Given a random topic

Q1. Different type of welding process.
Ans. 
There are several types of welding processes, including MIG, TIG, Stick, Flux-Cored, and Submerged Arc Welding.
• MIG (Metal Inert Gas) welding uses a wire electrode and a shielding gas to join two pieces of metal together.

• TIG (Tungsten Inert Gas) welding uses a tungsten electrode and a shielding gas to create a precise and clean weld.

• Stick welding, also known as Shielded Metal Arc Welding (SMAW), uses a consumable electr...read more
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Q2. What is universal joint
Ans. 
A universal joint is a mechanical device that allows two rotating shafts to be connected at an angle.
• It is also known as a U-joint or Cardan joint.

• It is commonly used in vehicles to connect the drive shaft to the transmission and differential.

• It allows for the transmission of power and torque between non-aligned shafts.

• It consists of a cross-shaped component with bearings at each end that allow for rotation.

• The angle b...read more
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Q3. Difference between 2 stroke and 4 stroke ic engine.
Ans. 
2 stroke engines have a power stroke every revolution, while 4 stroke engines have a power stroke every other revolution.
• 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 produce less emissions than 2 stroke engines.

• Examples of 2 stroke engines include chainsaws and dirt bik...read more
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