« previous next »

Author Question: In rotary screw compressors, ________ supplies lubrication to the bearings, oil to the mechanical ... (Read 34 times)

mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
on: Jul 24, 2018
In rotary screw compressors, ________ supplies lubrication to the bearings, oil to the mechanical seal, and hydraulic power to position the slide valve.
 
  A) the prelube pump B) the main oil pump
  C) the oil manifold D) rotor injection

Question 2

Residential central heating and cooling systems became popular in:
 
  A) The mid 1970s. B) The late 1950s. C) The late 1970s. D) The late 1960s.


missalyssa26

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
Reply #2 on: Jul 24, 2018
Thanks


missalyssa26

  • Sr. Member
  • ****
  • Posts: 327
Reply #3 on: Jul 24, 2018
Welcome :)


« previous next »
 

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

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?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

The FDA recognizes 118 routes of administration.

Transduction of mechanical vibrations to electric signals in the organ of Corti. Transduction of mechanical vibrations to electric signals in the organ of Corti.
Energy coupling in mechanical and chemical processes Energy coupling in mechanical and chemical processes
Mechanical Solidarity Mechanical Solidarity
Simple harmonic motion also forms the basis for understanding mechanical waves Simple harmonic motion also forms the basis for understanding mechanical waves
A typical engine design that uses both pressure and splash lubrication. Oil travels under pressure ... A typical engine design that uses both pressure and splash lubrication. Oil travels under pressure ...
Inline fuel filters are usually attached to the fuel line with screw clamps or threaded ... Inline fuel filters are usually attached to the fuel line with screw clamps or threaded ...
Video: Genetic distance between human groups

For a complete list of videos, visit our video library