« previous next »

Author Question: Valves that use motors that move in tiny increments are: A) Electronic expansion valves. B) ... (Read 102 times)

tiffannnnyyyyyy

  • Hero Member
  • *****
  • Posts: 512
on: Jul 24, 2018
Valves that use motors that move in tiny increments are:
 
  A) Electronic expansion valves. B) Pulse-modulated valves.
  C) Cross-charged expansion valves. D) Step motor valves.

Question 2

Which of the following types of valve is NOT considered an isolation valve?
 
  A) Diaphragm valve B) Stem-type valve C) Solenoid valve D) Ball valve


abro1885

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

(A) Lymphatic vessel with valves within tissue cells; (B) photomicrograph of lymphatic vessel with v (A) Lymphatic vessel with valves within tissue cells; (B) photomicrograph of lymphatic vessel with v
Superior view of heart valves illustrating position, size, and shape of each valve. Superior view of heart valves illustrating position, size, and shape of each valve.
Only 750 mountain gorillas remain in two tiny forests in East Africa. Only 750 mountain gorillas remain in two tiny forests in East Africa.
Electronic digital thermometers are accurate and easy to read. Electronic digital thermometers are accurate and easy to read.
Cutaway of a V-8 engine showing the lifters, pushrods, roller rocker arms, and valves. Cutaway of a V-8 engine showing the lifters, pushrods, roller rocker arms, and valves.
Heart Valves and Circulation of Blood Heart Valves and Circulation of Blood
Video: Embryonic development - Week 3

For a complete list of videos, visit our video library