Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

8th 6th Month Period > TPC 308 Hydraulic Troubleshooting > Flashcards

TPC 308 Hydraulic Troubleshooting Flashcards

(50 cards)

Start Studying
1
Q

Hydraulic systems convert the available power to ______ power.

A

usable

TPC 308 p. 5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the function of a control valve in a hydraulic system?

A

All of the above

  • directs fluid
  • regulates pressure
  • regulates flow

TPC 308 p. 5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The hydraulic fluid in a system must be able to transmit power and …

A

lubricate the system

TPC 308 p. 6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Before working on a hydraulic system the most important requirement is to…

A

understand the systems operation

TPC 308 p. 6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

If a hydraulic system is to function properly, it must…

A

have all components installed correctly

TPC 308 p. 11

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What type of drawing illustrates the general location and appearance of a systems elements?

A

pictorial

TPC 308 p. 21

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What type of drawing illustrates the elements that make up a hydraulic system?

A

schematic

TPC 308 p. 21

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

On a schematic drawing, hydraulic components are represented by…

A

symbols

TPC 308 p. 22

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The first thing to do when you read a schematic of a hydraulic system is to…

A

obtain an overall view of the system

TPC 308 p. 25

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

A schematic drawing of a hydraulic control valve illustrates fluid flow and…

A

valve function

TPC 308 p. 27

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

When installing hydraulic components, you should follow the installation techniques that…

A

are required for each component

TPC 308 p. 37

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

In order to provide proper alignment between a hydraulic pump and the driving motor, you should always…

A

provide a flexible coupling

TPC 308 p. 38

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What procedure should be followed when starting a newly installed pump?

A

jog the drive motor

TPC 308 p. 41

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

A stack of hydraulic control valves held together by bolts is called a…

A

manifold

TPC 308 p. 43

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What statement about installing solenoids is NOT true?

A

clip off the leads at the valve

TPC 308 p. 47

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Pump suction or inlet pipes should always be equal to or larger than the…

A

pump intake

TPC 308 p. 54

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What must be considered when selecting hydraulic tubing?

A

All of the above

  • material
  • I.D.
  • wall thickness

TPC 308 p. 55

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What should be avoided when assembling tubing?

A

straight line connections

TPC 308 p. 58

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The disadvantage of using hydraulic hose in a hydraulic system is that it…

A

wears out more quickly than tubing

TPC 308 p. 59

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What best describes most seals used in hydraulic components?

A

preformed

TPC 308 p. 60

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is the primary function of a hydraulic fluid?

Study These Flashcards
A

transmit force and energy

TPC 308 p. 69

22
Q

The lubricating capability of a hydraulic fluid is dependent mostly upon its…

Study These Flashcards
A

viscosity

TPC 308 p. 69

23
Q

What affects hydraulic fluid viscosity the most?

Study These Flashcards
A

temperature

TPC 308 p. 70

24
Q

When you select a hydraulic fluid, always make sure it is…

Study These Flashcards
A

compatible with the system

TPC 308 p. 75

25
Before filling a hydraulic system with hydraulic fluid always make sure of the…
system being clean TPC 308 p. 77
26
The interval of time between inspection on a specific hydraulic system depends on the…
type of system TPC 308 p. 85
27
Because inspections are made to locate trouble before a breakdown occurs they are classified as…
preventative maintenance TPC 308 p. 87
28
After how many hours should the fluid in a hydraulic system be sent out for lab analysis?
1000 TPC 308 p. 91
29
In many cases repair maintenance can be scheduled for a later time. Under what conditions should this procedure NOT be followed?
when safety hazard exists TPC 308 p. 91
30
When should hydraulic systems elements be reconditioned?
periodically and when they break down TPC 308 p. 92
31
Troubleshooting is best described as a means of determining trouble in a system by…
means of logical sequence TPC 308 p. 100
32
Prior to troubleshooting a hydraulic system, you should first evaluate the symptoms and then…
determine the cause TPC 308 p. 101
33
The best way to protect a pressure gauge from surges is by…
using a snubber with the gauge TPC 308 p. 104
34
When are fluid flowmeters or gauges most commonly used in a hydraulic system?
during testing TPC 308 p. 104
35
What document is the most helpful in solving a hydraulic system problem?
maintenance record TPC 308 p. 106
36
The best way to determine if a valve is the cause of a system malfunction is to…
test the circuit TPC 308 p. 117
37
Whenever a valve is disassembled for inspection or repair, you should always…
replace the seals TPC 308 p. 119
38
What causes sludge formation?
overheating of hydraulic fluid TPC 308 p. 120
39
What could cause solenoid-coil burnout in a directional control valve?
All of the above - bent valve linkage - contaminants in the valve - excessive current flow TPC 308 p. 123
40
How should directional control valves always be reassembled?
carefully TPC 308 p. 125
41
Cylinder rod misalignment is usually caused by…
side loading TPC 308 p. 132
42
A probable cause of an immovable or slow-moving cylinder may be…
a blocked speed control valve TPC 308 p. 134
43
What hydraulic fluid is suitable for fire-resistant applications?
All of the above - water based fluid - emulsions - phosphate esters TPC 308 p. 137
44
Before connecting a cylinder to the hydraulic system, you should first…
clean the piping system TPC 308 p. 138
45
What is essential to proper cylinder performance?
accurate mounting TPC 308 p. 138
46
Visual inspection of an operating hydraulic pump or motor is limited because…
you cannot see the internal parts TPC 308 p. 147
47
Broken pump rotors, fractured teeth or vanes, and repeated seal blowout are usually caused by…
pressure shocks TPC 308 p. 149
48
Excessive wear and roughness in a gear pump are indications of…
solid contaminants in the system TPC 308 p. 149
49
It is important to keep all contaminants out of position pumps because of the pumps…
close tolerance construction TPC 308 p. 152
50
It is a good maintenance practice to replace what when a hydraulic pump is repaired?
anti-friction bearings, gaskets, and seals TPC 308 p. 154

8th 6th Month Period (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions