This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The purpose of a combiner valve that is used for an excavator hydraulic system it to: a. increase ... (Read 85 times)

ashley

  • Hero Member
  • *****
  • Posts: 584
on: Jun 23, 2018
The purpose of a combiner valve that is used for an excavator hydraulic system it to:
 
  a. increase the main relief pressure for heavy lifting
 b. combine the two main pump flows for certain high flow functions c. combine the pilot oil pump with one of the main pump flows
 d. combine the bucket and stick circuits for faster digging

Question 2

A hydraulic system that uses a pilot oil system will:
 
  a. Use lower pressure pilot oil to move the actuators slower b. Always have a pilot oil pump
 c. Use lower pressure oil to move the main control valve spools
 d. Will always have its relief valve set 1000 psi lower than main system pressure


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fauacakatahaias

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jun 23, 2018
Answer to Question 1

D

Answer to Question 2

C


ashley

  • Member
  • Posts: 584
Reply 2 on: Jun 23, 2018
Great answer, keep it coming :)

ultraflyy23

  • Member
  • Posts: 312
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Part A - Overview of the vertebrate nervous system Part A - Overview of the vertebrate nervous system
The male reproductive system. The male reproductive system.
Overview of factors affecting renin release: (a) activation of the sympathetic nervous system; (b) ... Overview of factors affecting renin release: (a) activation of the sympathetic nervous system; (b) ...
Hormones and the endocrine system. Hormones and the endocrine system.
Modern machinery has helped farmers increase yields Modern machinery has helped farmers increase yields
Male Reproductive System - Testes ذكر الجهاز التناسلي - الخصيتين Male Reproductive System - Testes ذكر الجهاز التناسلي - الخصيتين
Video: Spinal Cord Injury Animation

For a complete list of videos, visit our video library