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Technical Service Specialist > General Four > Flashcards

General Four Flashcards

1
Q

What do you multiply a decimal by in order to convert it to equivalent 16ths?

A

X 16

  1. 75 (.75 X 16 = 12, 12/16 = 3/4)
  2. 75 = 7 3/4
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2
Q

In computing, what does is the term modem derived from?

A

Modulator-demodulator

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3
Q

Concerning lubricating oils, what is another basic phrase for demulsibility?

A

Water separation

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4
Q

What is the name of the surf shop on the west end of Malibu?

A

Drill Surf and Skate

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5
Q

Concerning traction motor drive system manufacturers, what does ATS stand for?

A

American Traction Systems

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6
Q

How do you find the mechanical advantage of wedges (and incline planes)?

A

MA= L/W

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7
Q

What is your driver license number?

A

Y4157338

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8
Q

A 30 HP electric motor is equivalent to how many kWs?

A

22.38 kW

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9
Q

What is absolute viscosity/ density ?

A

Kinematic viscosity

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10
Q

What is a tip for determining the correct pipe size of a NPT fitting?

A

Measure the diameter of the thread and then subtract 1/4 inch to find the nominal pipe size

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11
Q

Concerning antifreeze, what does MEG stand for?

A

Mono Ethylene Glycol

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12
Q

What is the standard US track gauge in inches?

A

56.5 inches

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13
Q

How do you say “ orange juice” in Spanish?

A

Jogo de naranja

who-go day nuh-wrong-hah

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14
Q

What Roman numeral represents the number of 1,000?

A

M

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15
Q

Define rectification?

A

Rectification is the process of changing alternating currents and voltages to unidirectional currents and voltages.

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16
Q

IGBT stands for Insulated Gate Bipolar Transistor, say IGBT three times fast

A

IGBT, IGBT, IGBT

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17
Q

On a RGI, how long does the UPS (uninterruptible power supply) last after generator shut off?

A

Approximately 15 minutes

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18
Q

What type of machine is a Loram RGI?

A

60 stone, mainline, switch, and crossing grinder

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19
Q

How many kW is a 1 MW rated generator capable of producing ?

A

945 kW

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20
Q

According to the International Phonetic Alphabet, what are E, F, G, H, I ?

A 
Echo
Foxtrot
Golf
Hotel
India
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21
Q

What type of grease does RGS 11 use in their electric motors?

A

Mobilith SHC 220

22
Q

What is another name for grease drain plugs?

A

Grease relief plugs

23
Q

PWM stands for Pulse Width Modulated, say PWM three times fast

A

PWM, PWM, PWM

24
Q

At standard atmospheric pressure, what percentage of hydraulic fluid volume is dissolved air?

A

8% is dissolved air

25
Q

What voltage is the air compressor compressor and fan motors?

A

480 VAC

26
Q

What are the three modules that make up the traction control system on an RGS?

A

Rectifier module, inverter module, chopper module

27
Q

22.38 kW is how many electrical HP?

A

30 HP

28
Q

What number is Loram’s service bulletin entitled “Residual Brake Cylinder Pressure”?

A

0163

29
Q

What standard does Loram use for its structural welds?

A

AWS D1.1

30
Q

What are the three modules that make up the traction control system on an RGS?

A

Rectifier module, inverter module, chopper module

31
Q

What are the three categories of soap lubricating grease thickeners?

A

Straight
Mixed
Complex

32
Q

What are the two reasons to apply a lubricant to an o-ring prior to installation?

A

To avoid dry-contact friction with the gland material

Minimize corrosion of gland surfaces

33
Q

What is the COF for the RGS control car brakes blocks?

A

.18

34
Q

How many gallons and liters is the RGS 11 traction system cooling reservoir?

A

19 gallons

72 liters

35
Q

How many HP are Loram’s RGS grind motors ?

A

30 HP

36
Q

What material should the ground terminals be made from for grounding straps, according to Aurizon?

A

Stainless steel or brass

37
Q

What is the standard US AAR wheel profile?

A

AAR 1B Wide Flange

38
Q

What is the US standard track gauge of 56.5 inches in metric units of mm?

A

1435 mm

39
Q

Who is the Quality Assurance Loram employee, that is a test technician II, and looks like Carter?

A

Jeff Smith

40
Q

Concerning EHL film thickness, what does EHL stand for?

A

Elasto- hydrodynamic lubrication

41
Q

On the Sullivan Pallatek 50 UD RGS 11 oil flooded rotary screw air compressor, what is the hour interval for the very first oil change (break-in oil change).

A

250 hours

42
Q

What type of device automatically illuminates lights as the sun sets?

A

Photoelectric cell

43
Q

Concerning rolling element bearing lubrication, what is another name for oil sump lubrication?

A

Oil bath lubrication

44
Q

What is Loram’s part number for a 14 ounce cartridge of Mobilith SHC 220?

A

124466

45
Q

What is Loram part number 179048?

A

30 HP straight shaft grind motor

46
Q

What do you multiply a motor rated in HP to get its kW rating?

A

HP X .746

47
Q

Concerning motor drives, as in an IGBT based PWM drive, what does the IGBT stand for?

A

Isolated Gate Bipolar Transistor

IGBT

48
Q

On the Wabco TMX brake system, what is the decal number displaying the PT operating range?

A

660630

49
Q

What is Danfoss’ recommended petroleum lubricant fluid temperature range in Celsius?

A

60 - 85 Celsius

50
Q

What is the rule for pulleys using the number of supporting ropes?

A

Divide the load (weight) by the number of supporting ropes

51
Q

when a large gear and a small gear are meshing, which gear is rotating faster?

A

The small gear is rotating faster (the gear with less teeth is faster)

52
Q

What is the voltage for the derail circuit on RGS 11?

A

24 VDC

Technical Service Specialist (9 decks)

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