Multi Cylinder Four Stroke Petrol Engine Test Rig
They are classified according to cycle, number of cylinders, arrangement of cylinders, fuel used, type of ignition, valve arrangement, cooling system. It consists of an IC Engine, dynamometer, fuel measuring, air intake measuring and various other arrangements. Test rigs are used to find out the performance of an IC engine. 
Utilities Requirements:-
•  Tachometer-For RPM measurement.
•  Electric Supply-Single Phase, 220 V, 5 Amp.
•  Continuous Water Supply-10 LPM Approx.
•  Fuel-10 Ltrs.
•  Floor Area-3m X 2m.

Multi Cylinder Four Stroke Petrol Engine Test Rig