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 113 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
Wow, this really help

anyusername12131

  • Member
  • Posts: 327
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan
The pressure valve maintains the system pressure and allows excess pressure to vent. The vacuum ... The pressure valve maintains the system pressure and allows excess pressure to vent. The vacuum ...
When the EGR valve opens, exhaust gases flow through the valve and into passages in the intake ... When the EGR valve opens, exhaust gases flow through the valve and into passages in the intake ...
A system absorbs 623 J of heat while doing 457 J of work. What is the value of U? A system absorbs 623 J of heat while doing 457 J of work. What is the value of U?
The Male Reproductive System The Male Reproductive System
Solve the system to find x and y Solve the system to find x and y
Video: Oxygen transport: association and dissociation & Factors that affect hemoglobin's saturation with O2

For a complete list of videos, visit our video library