DIPLOMA ENGINE TESTING LAB AUTOMOBILE ENGG

ENGINE TESTING LAB

 

Subject Title                           :           ENGINE TESTING LAB

Sem                                         :           VI

Subject Code                         :           A

Hours Per Week                    :           06

Hours Per Semester              :           96

 

TOPICS

 

SL NO

CONTENTS

NO OF HOURS

1

Engine  Performance Testing

42

2

Valve/ Port timings

            06

3

Fuel Injector Servicing & Testing

12

4

Fuel Injection Pump  Servicing,Phasing & Calibration

15

5

Emission Testing

06

6

Engine Scanners

06

7

Test & Revision

09

 

Total

96

 

 

 

GENERAL INSTRUCTIONAL OBJECTIVES

 

Ø  Know about different types of engine dynamometers.

Ø  Perform engine performance tests using different engine dynamometers

Ø  Study Valve and Port timing diagrams.

Ø  Understand servicing and testing of  Fuel Injectors

Ø  Understand servicing, phasing and calibration of Fuel Injection pump.

Ø  Understand the use of Emission Testing equipments.

Ø  Analyse the condition of Engine using Engine Scanners.

  

SPECIFIC INTRUCTIONAL OBJECTIVES

 

LIST OF EXCERCISES

 

1.0  Engine  Performance Tests:

 

1.1  Conduct the performance test and find BP, IP, FP, Sfc, hmech, hthe ,  hvol and draw performance curves for the following single cylinder engines.

i)                    Single Cylinder 2-Stroke Petrol Engine.

ii)                  Single Cylinder 2-Stroke Diesel Engine

iii)                Single Cylinder 4-Stroke Petrol Engine.

iv)                Single Cylinder 4-Stroke Diesel Engine

1.2  Conduct the performance test and find BP, IP, FP, Sfc, hmech, hthe,  hvol  and draw performance curves for the following multi cylinder engines.

                                i.          Petrol engine

                              ii.          Diesel engine

1.3  Conduct Morse test on a multi cylinder petrol / diesel engine.

1.4   Prepare heat balance sheet for all above experiments.

 

2.0  Valve and port timings.

2.1  Practice on drawing valve timing diagram.

2.2   Practice on drawing port timing diagram.

 

3.0  Fuel Injector

3.1  Practice on servicing of diesel fuel injectors.

3.2  Practice on testing of diesel fuel injectors.

3.3  Practice on cleaning and testing of petrol fuel injectors.

 

4.0  Fuel  Injection Pump

4.1  Practice on servicing of diesel fuel injection pump.( Inline & Distributor pumps)

4.2  Practice on phasing and calibration of diesel fuel injection pump.

 

5.0  Emission Testing

5.1  Practice on testing of exhaust gases using

5.1.1        Exhaust gas analyzer (petrol engine)

5.1.2        Smoke tester (Diesel engine).

 

6.0  Engine Scanners

6.1  Practice on use of engine scanners/ engine analyzer.

6.2  Practice on engine tuning procedures (petrol / diesel).

6.3  Practice on use of engine vacuum tester.

6.4  Practice on use of engine compression tester.

 

SCHEME OF EVALUATION

 

Q. NO. 1 Compulsory from chapter no 1

1.1 Writing procedures                                                     =          10

1.2 Tabular columns & formulae                                       =          10

1.3 Conduction                                                                 =          15

1.4 Calculation & Graphs                                                 =          15

                                                                                                Total   =          50

Q. NO.  2 From remaining chapters

2.1 Writing procedures                                                     =          05

2.2 Conduction                                                                 =          20

                                                                              Total   =          25

Viva voice                                                                                        =          20

Lab record                                                                                        =          05

Total   =          100

 

 

List of tools, equipments and practicing equipments required.

 

1.0        Single cylinder 2 – stroke petrol engine test rig.

2.0        Single cylinder 2 – stroke diesel engine test rig.

3.0        Single cylinder 4 – stroke petrol engine test rig.

4.0        Single cylinder 4 – stroke diesel engine test rig.

5.0        Multi cylinder 4 – stroke petrol engine test rig with Morse test arrangement.

6.0        Multi cylinder 4 – stroke diesel engine test rig with Morse test arrangement

7.0        Petrol engine exhaust gas analyzer.

8.0        Diesel engine smoke meter.

9.0        Computerized engine analyzer / engine scanner for trouble shooting and tuning of MPFI engine.

10.0    Digital tachometer.

11.0    Thermistors to measure exhaust gas and engine coolant temperatures.

12.0    Digital stop watch.

13.0    Compression gauge for petrol & diesel engines..

14.0    Vacuum gauge.

15.0    Injector tester.

16.0    FIP calibrating equipment.

17.0    Ultrasonic petrol injector cleaning unit.

18.0    FIP servicing kit.

19.0    Nozzle cleaning kit.

20.0    Inline & Distributor Type pumps.

21.0    Diesel Injectors.

22.0    Petrol Injectors

23.0    Multi meters.

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