Locomotive Systems and Performance Quiz

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Questions and Answers

What is the capacity of the cooling system in liters?

6000 Liters

400 Liters

950 Liters

1045 Liters (correct)

How high is the locomotive over the cooling hood in meters?

4.16 M (correct)

3.94 M

4.22 M

3.5 M

What is the maximum speed of the locomotive in kilometers per hour?

400 Km/h

22.5 Km/h

120 Km/h (correct)

540 Km/h

Which compartment of the locomotive contains the air brake equipment panel?

Nose Compartment Signup and view all the answers

What is the maximum continuous tractive effort of the locomotive in kilonewtons (KN)?

400 KN Signup and view all the answers

How many sand boxes are specified for the locomotive?

8 Signup and view all the answers

Which of the following parts is NOT located in the driver's cab?

Electrical Control Cabinet Signup and view all the answers

What is the primary function of a turbocharger in a locomotive engine?

To improve fuel efficiency and increase horsepower Signup and view all the answers

What happens to the turbocharger's connection to the engine at full load operation?

An over riding clutch disconnects the turbocharger Signup and view all the answers

Which component directs exhaust gases onto the turbine wheel blades?

The fixed nozzle ring Signup and view all the answers

What mechanical principle drives the turbine rotor in the turbocharger when the engine is under full load?

Energy from exhaust gases Signup and view all the answers

What design feature of the turbocharger helps reduce turbulence in the exhaust gas flow?

Aerodynamic diffuser Signup and view all the answers

What is the purpose of the test panel jacks in the electrical control cabinet?

To allow maintenance personnel to measure the voltages Signup and view all the answers

Which components are included in the main generator compartment?

Inertial air inlet filters and traction generator Signup and view all the answers

What does the EM 2000 display panel use to interact with the loco operating crew?

A display screen and a keypad Signup and view all the answers

Which of the following components is NOT part of the back panel of the electrical control cabinet?

Traction motor blower Signup and view all the answers

How many DC link transfer switches are mentioned in the context?

Two Signup and view all the answers

What type of panel provides cooling for the components within the electrical cabinet?

Electrical cabinet blower Signup and view all the answers

Which component is part of the traction control converter compartment?

TCC electronic blowers Signup and view all the answers

What is the main function of the GTO panel in the electrical cabinet?

To handle traction control Signup and view all the answers

What type of breakers are included in the circuit breaker panel?

Generator field and blower circuit breakers Signup and view all the answers

What type of primary filter is used in both locomotives?

Paper type filter Signup and view all the answers

Which locomotive has a unit type fuel injection pump and injector without a high-pressure tube?

GM locomotive Signup and view all the answers

What is the fuel oil pressure at idle for the Alco locomotive?

5.0 Kg/Cm2 Signup and view all the answers

Which component cools the combustion chamber of the cylinder head in the cooling water system?

Water jumper Signup and view all the answers

Which statement is true regarding the secondary filters in both locomotives?

GM has two spin-on type secondary filters. Signup and view all the answers

How many engine-mounted water pumps are in the cooling water system?

Two Signup and view all the answers

What kind of cooling system is used for the engine in the locomotives?

Closed loop pressurized water cooling system Signup and view all the answers

What happens to the outlet water from each cylinder head?

It carries water to the radiator. Signup and view all the answers

Which of the following is NOT a part of the cooling water system?

Fuel manifold Signup and view all the answers

Which locomotive does not have a pressure gauge in its system?

GM locomotive Signup and view all the answers

What is the primary purpose of the fuel oil system in a GM locomotive?

To supply fuel to the engine in the right quantity and timing Signup and view all the answers

Which component is specifically responsible for cooling the traction motors in a GM locomotive?

Traction Motor Cooling Air Blower Signup and view all the answers

What is the function of the Electrical Control Cabinet in a GM locomotive?

To control the electrical functions necessary for locomotive operation Signup and view all the answers

Which component is used for starting the engine in a GM locomotive?

Engine Starting Motors Signup and view all the answers

Which component in the fuel oil system is primarily responsible for removing contaminants from the fuel?

Primary Fuel Filter Signup and view all the answers

What is the role of the air compressor in the GM locomotive?

To provide compressed air for braking systems Signup and view all the answers

What is the purpose of the Lube Oil Cooler in a GM locomotive?

To cool the lube oil before it circulates through the engine Signup and view all the answers

Where is the Engine Exhaust Stack located in the GM locomotive?

On top of the engine to vent exhaust gases Signup and view all the answers

Which component protects the traction control systems in the GM locomotive?

Traction Control Cabinet Signup and view all the answers

What feature aids in the cooling of engine components in a GM locomotive?

Engine room Vent Signup and view all the answers

Study Notes

Introduction Handbook on General Motor Diesel Locomotive

This handbook is for use by diesel shed staff.
It was prepared by CAMTECH in February 2006.
The handbook introduces the GM locomotives used by Indian Railways.
The GM locomotives have been included in the Diesel Locomotive fleet of Indian Railways.
Production of GM locomotives has already started in DLW, Varanasi.
The 4000 HP, computer-controlled GM locomotive has special and improved features compared to the Alco design diesel locomotive.
The book aims to disseminate introductory information about the GM locomotive to those in the field of diesel loco maintenance.

Book Details

Name: Introduction Handbook On General Motor Diesel Locomotive
Reference No: IRCAMTECH/2006/M/D/GM loco/1.0
Edition: First Edition
Year of publication: 2006
Target group: Diesel shed's staff
Revision details: Revision as per requirement
Total No. of pages: 72

Correction Slips

Correction slips will be numbered as follows: IRCAMTECH/2006/M/D/GM Loco/1.0/C.S.# XX date, where XX is the serial number of the slip, starting from 01.

Introduction of the GM Locomotive

The WDG4 & WDP4 series of DLW make locomotives are GM locomotives.
GT46 MAC model for goods service
GT46 PAC model for passenger service.
Equipped with a microprocessor-based computer control system (EM-2000).
Equipped with a diagnostic display system (DDS) for driver interaction.
Fitted with 16-cylinder, two stroke Internal combustion engine
11% better fuel efficiency compared to ALCO design locomotive.
4000 BHP locomotive
Having highly improved maintainability compared to ALCO locomotive.

General Information Data

Model Designation: GT46MAC
Under Truck: CO-CO Type
Nominal Locomotive Power: 4000HP
Engine Model (s): 710G3B
Number of Cylinders: 16
Engine Type: Two-Stroke, Turbo Charged
Cylinder Arrangement: 45° "V" Arrangement
Compression Ratio: 16:1
Displacement per Cylinder: 11635 cm³ (710 Cu.In)
Cylinder Bore: 230.19 mm (9-1/16")
Cylinder Stroke: 279.4 mm (11")
Rotation (Facing Generator End): Counter-clockwise)
Full Speed: 904 RPM
Normal Idle Speed: 269 RPM
Low Idle Speed: 200 RPM
Main Generator: TA17-CA6B
Traction Alternator: TA17
Companion Alternator: CA6B
Maximum Voltage: 2600 VDC

Max. Continuos Current, Companion Alternator Output, Auxiliary Generator, Traction Motors, Traction Inverters

Max Continuous Current: 1250 Ampere
Companion Alternator Output: 230 VAC, 120 HZ, 250kVA (P. Factor 0.8)
Auxiliary Generator: 5A-8147, 74 volts DC(Rectified), 18 kW
Traction Motors: Siemens 1TB-2622-0TA 02, 6 (3 in parallel per bogie)
Traction Inverters: 1GE420 050 9010.00 MB 74, 1430 kW, 2, per bogie (truck), Voltage Source Inverter With Gate Turn-Off Thyristors

Bogies, Brake Rigging, Air Compressor, Lube Oil Capacity, Batteries

Bogies: HTSC, 90:17, 3 Wheel Sets per bogie, 1092 mm (43 inches), Single Shoe (16")
Brake Rigging: Composite, 4 per bogie (truck)
Air Compressor: WLNA9BB, Two Stage, 3 Cylinders
Lube Oil Capacity: 10 liters
Locomotive Storage Batteries: Surrette16CH-25Unitized, 2 Series-connected 16 Cell Lead-Acid Batteries, 32, 64 Volts

Specific Gravity of Electrolyte, 8 Hour Capacity, Supplies/Capacities, Dimensions, Locomotive Speeds/Tractive Effort

Specific Gravity of Electrolyte: 1.250
8 hour Capacity: 500 Amp. Hour
Lube Oil System Capacity: 950 Liters
Cooling System capacity: 1045 Liters
Sand Boxes (8): 0.04M³ box (15ft³/box)
Fuel Capacity: 6000 Liters
Height over Cooling Hood: 4.16 M (13' 7.75")
Height Over Horn: 4.22M (13'10")
Height over Cab: 3.94 M (12'11")
Width over handrails: 2.92 M (9' 7.12")
Width over Under frame: 2.74 M (9'0”)
Width over Cab: 2.74 M (9'0”)
Width over Brake Cylinders: 3.07 M (10'1")
Locomotive Minimum Speeds: Km/h: 22.5
Locomotive Max Speed (RPM): 120 Km/h
Maximum Stall tractive Effort: 540 KN
Max. Continuos Tractive Efforts: 400 KN
Reduced Tractive Effort Limit: 294 KN

Various Parts and Its Location

Nose Compartment
Driver's Cab
Electrical control cabinet
Traction Control Converters Compartments
Main Generator Compartment
Engine Compartment
Engine Accessories
Compressor Compartment
Radiator Compartment
Superstructure of locomotive

Cab Control Unit (CCU), Control Stands, Electrical Control Cabinet, Circuit Breaker Panel

Automatic Brake Handle with 5 positions,
Independent Brake Handle with 2 positions,
Engine Run Slide Button Switch,
GF Slide Button Switch,
Multiple Push Button Switches,
Gauge provided on the control stand

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Description

Test your knowledge on the specifications and components of locomotive systems with this quiz. Questions cover cooling systems, air brake equipment, turbochargers, and more. Perfect for engineering students and locomotive enthusiasts.