Lean Manufacturing

Which of the following statements combine to form a valid definition of lean manufacturing? Lean manufacturing…

• is a rigidly defined set of steps to follow.

• focuses on reducing waste.

• is a set of tools and philosophies.

• focuses on automation of production.

Which of the following are stressed by the principal of scientific management?

• Management must ensure that each task is always performed in the best way.

• There is always a best way of performing a particular task.

• Every unit of a part that is produced must be identical.

• Automation must be implemented wherever possible.

Of the following, which is usually the easiest to control?

• Transportation costs

• Raw material costs

• Production costs

• Design costs

In which of the following ways can a machine not outperform a human worker?

• Reliability

• Speed

• Flexibility

• Endurance

The chronological order of innovations in manufacturing is:

• Mechanization and MRP, interchangeable parts, scientific management

• Interchangeable parts, scientific management, mechanization and MRP.

• interchangeable parts, scientific management

• Scientific management, mechanization and MRP, interchangeable parts

The Seven Wastes are all examples of:

• Overburden (muri)

• Inconsistency (mura)

• Wasted work (muda)

Which of the following wastes occur as a result of overproduction?

• Insurance costs are higher.

• More space is required to store excess product.

• Handling and management costs are increased.

• Large quantities of parts can be made obsolete simultaneously.

The basic formula of business is Profit = Sales – Expenses. Lean manufacturing aims to:

• Reduce expenses

• Increase sales

• Balance sales and expenses

• Increase expenses

A particular machine can only work at 70% of its maximum speed due to its age. Because of frequent repairs, the machine cannot be used for 10% of each shift. The machine produces many faulty parts – approximately 5% of all pars produced are scrapped. What is the overall equipment effective value of this machine?

• 59.85%

• 3.1%

• 70%

• 3.5%

An example of the implementation of a sequence poka-yoke method is:

• A pre-counted back of screws

• A warning sign placed on a door

• A warning light that shines when a mistake is made

• An activation switch that cannot be pressed until a safety door is closed