(Compressor operating principles) Week 5 Test Questions with Answers
7 views 0 purchase
Course
Compressor
Institution
Compressor
(Compressor operating principles) Week 5 Test Questions with Answers
What type of control is used when compressor demand varies between 60% and 100% capacity? - Answer-Modulation control
What are the 3 types of components used to physically alter the displacement of a compressor? - Answer-- Tur...
(Compressor operating principles)
Week 5 Test Questions with
Answers
What type of control is used when compressor demand varies between 60% and 100%
capacity? - Answer-Modulation control
What are the 3 types of components used to physically alter the displacement of a
compressor? - Answer-- Turn valves
- Poppet valves
- Slide valves
The 3 types of valves that are used for displacement control operate on the same
principle which is to let some of the air in the compression chamber cycle back into the
to the suction without being compressed. True or False? - Answer-True
What is the purpose of variable volume ratio control on a screw compressor? - Answer-
To save power
What determines the pressure ratio that the screw compressor delivers? - Answer-The
discharge port location
How does a screw compressor deliver smooth, pulsation free flow of gas? - Answer-
Staggering the lobes and flutes
What are the 3 main types of capacity control used on screw compressors? - Answer--
Suction throttling
- Rotating speed
- Displacement control
What is the most common method of suction throttling control? - Answer-Load/ No load
What are the 2 modes of the load/no load control and what are the positions of the inlet
valve on each? - Answer-Mode 1: Fully loaded/ open inlet valve
Mode 2: Fully unloaded/ Closed inlet valve
When does a compressor reach its built in pressure ratio? - Answer-Just before it
discharges
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Perfectscorer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
