Question

1. in solids - bottling, which of these is an input?

a) bottles
b) syrup
c) foil - seals
d) labeled bottles

1. what do arrows represent on a bfd?

a) safety standards
b) movement of materials
c) yield percentage
d) off - spec losses

1. why are bfds useful early in process design?

a) they track energy balances
b) they give a big - picture overview
c) they guarantee high yield
d) they prevent off - spec products

1. if yield is too low, a company may face:

a) better profits
b) increased waste and lost efficiency
c) higher throughput
d) improved reputation

1. which could cause a product to be off - spec?

a) equipment failure
b) extra throughput
c) accurate diagrams
d) high yield

1. the main purpose of a bfd is to:

a) show every detail of equipment
b) provide a big - picture view of processes
c) perform chemical reactions
d) calculate missing mass

Explanation:

1. A Block Flow Diagram (BFD) shows the big - picture of a process, so the answer is b).
2. Arrows in a BFD represent movement of materials, so the answer is b).
3. BFDs are useful early in process design as they give a big - picture overview, so the answer is b).
4. If yield is too low, a company may face increased waste and lost efficiency, so the answer is b).
5. Equipment failure could cause a product to be off - spec, so the answer is a).
6. The main purpose of a BFD is to provide a big - picture view of processes, so the answer is b).

Answer:

1. b) The big - picture of a process
2. b) Movement of materials
3. b) They give a big - picture overview
4. b) Increased waste and lost efficiency
5. a) Equipment failure
6. b) Provide a big - picture view of processes