_ and _are the two pillars of the Toyota Production System.

The correct answer is A. Just-In-Time D. Jidoka. Just-In-Time (A) and Jidoka (D) are the two foundational pillars of the Toyota Production System (TPS), as established by Taiichi Ohno. Just-In-Time means producing only what is needed, when it is needed, and in the exact amount needed - eliminating waste from overproduction…

Process Improvement Methodologies

Question

___________ and ___________are the two pillars of the Toyota Production System.

Options

AJust-In-Time
BJust-In-Merit
CKaizen
DJidoka

How the community answered

(42 responses)

A
88% (37)
B
5% (2)
C
7% (3)

Explanation

Just-In-Time (A) and Jidoka (D) are the two foundational pillars of the Toyota Production System (TPS), as established by Taiichi Ohno. Just-In-Time means producing only what is needed, when it is needed, and in the exact amount needed - eliminating waste from overproduction. Jidoka (sometimes called "autonomation") refers to building quality into the process by giving machines and workers the ability to stop production immediately when a defect is detected.

Option B (Just-In-Merit) is a fabricated term - it does not exist in lean or TPS literature. Option C (Kaizen), meaning "continuous improvement," is a real and important TPS concept, but it is a supporting practice woven throughout the system, not one of the two structural pillars.

Memory tip: Think of TPS as a house - JIT and Jidoka are the two load-bearing columns holding up the roof. Kaizen is the ongoing renovation that keeps the house improving over time. If you can picture that house, you'll never confuse a pillar with a practice.

Topics

#Toyota Production System#Just-In-Time#Jidoka#Lean manufacturing

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