Sree's Metal Cutting - Unit 3 - Day 3

What are gears primarily used for?

• Generating electricity

• Providing gear reduction

• Cooking food

• Building houses

How many categories are gears classified into?

• 5

• 4

• 3

• 2

Which type of gears are spur gears and helical gears?

• None of the above

• Nonparallel and nonintersecting axes gears

• Intersecting axes gears

• Parallel axes gears

An exmple for non-parallel, non-intersecting gears.

• Worm gear

• Spur Gear

• Helical Gear

• Bevel gears

Pick the odd man out: Methods of gear manufacturing

• Coining

• Machining

• Welding

• Casting

What is the main advantage of gear broaching?

• Low production rate

• High accuracy

• Low cost

• Not suitable for small gears

Which gear manufacturing process uses a hob (worm cutter)?

• Gear Cutters

• Gear Shaping

• Gear Broaching

• Gear Hobbing

What is the main advantage of gear shaping?

• Dependent on number of teeth

• Not suitable for mass production

• Low rigidity

• Cutter is universal

Pick the odd man out: Gear Finishing Process

• Form grinding

• Generation Grinding

• Grinding by threaded wheel

• Gear Shaving

Which Gear Finishing Process is similar to that of Gear Hobbing

• Form grinding

• Generation Grinding

• Grinding by threaded wheel

• Gear Shaving