modEpp - ANSWERS Problem 1 From Table E.3 where N = 20 and...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Practice Problems: Module E, Learning Curves Problem 1: The initial external tank for NASA’s Space Shuttle took 400 hours of labor to produce. The learning rate is 80%. How long will the twentieth tank take? Problem 2: An operation has a 90% learning curve and the first unit produced took 28 minutes. The labor cost is $20 per hour. (a) How long will the second unit take? (b) How much should the second unit cost? Problem 3: Using the data from Problem 1, how long will it take to produce all 20 tanks?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ANSWERS Problem 1: From Table E.3 where N = 20 and an 80% learning rate: Learning curve coefficient C = .381 Y 20 = Y 1 C = .381 * 400 = 152.4 hours Problem 2: (a) T N + T 2 C = 28 * 0.9 = 25.2 minutes (b) Cost = (25.2 minutes/60 minutes) ($20 per hour) = $8.40 Problem 3: From Table E.3 where N = 20 and an 80% learning rate: Total time = 10.485 1 = = 400hr * 10.485 = 4,194 hours N T TC...
View Full Document

{[ snackBarMessage ]}

Page1 / 2

modEpp - ANSWERS Problem 1 From Table E.3 where N = 20 and...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online