P A P E R - III

             Category C  : PISTON ENGINES AND PROPELLERS

                  (Unsupercharged and Supercharged) 
      __________________________________________________________


              1. Piston Engine Theory and Construction 

     A general knowledge of thermodynamic laws related to  inter-
     nal combustion engines.

     Knowledge of heat engines.

     General  knowledge  of the Otto cycle and  the  relationship 
     between volume, temperature and pressure.

     A  general  knowledge  of the terms used in  the  theory  of 
     piston engines and calculations of parameters from the given 
     data.

     Knowledge  of  various  efficiencies  involved  in  internal 
     combustion engines.

     Differences between two stroke and four stroke engines.

     Knowledge of the function, construction, classification  and 
     material of the various parts and accessories of the  engine 
     including the induction, exhaust, cooling systems and engine 
     mounting.

     A general understanding of the propeller terms.

     A  general knowledge of the purpose and functioning  of  all 
     parts  of  a constant speed, variable pitch  and  feathering 
     propeller and their associated control system components.

     Knowledge  of the various factors effecting the engine  per-
     formance.

     Knowledge  of the engine fire detection and protection  sys-
     tems.


                    2. Engine Fuel and Oil System 

     Knowledge  of the principle of operation and  constructional 
     features of carburetors.

     Knowledge  of  the constructional features and  function  of 
     components of engine fuel system.

     Knowledge of types, characteristics of aviation fuel, common 


     sources of contamination and methods to prevent such contam-
     ination.  Method  of  checking  for  contamination.  

     Knowledge  of types, characteristics of lubricants  used  in 
     piston  engine  oil system.   Contamination of oil  and  its 
     identification.

     Knowledge of various components of oil system. 



                   3. Ignition and Starting System

     Knowledge of principle of operation, constructional features 
     and  function  of magnetos and ignition  system  components. 
     Magneto timing procedure.

     Knowledge of principle of operation, constructional features 
     and function of various types of engine starters.


                        4. Engine Instruments

     Knowledge  of the principle of operation of the  engine  in-
     struments, and detailed knowledge of replacement and in-situ 
     operational tests thereof.


                        5. Supercharged System

     Knowledge of principle of operation, constructional features 
     and  function  of  various types of  superchargers  and  its 
     related components/ parts.


                        6. Engine Maintenance

     Knowledge  of trouble shooting of minor defects and  methods 
     of their rectification; rigging of engine controls; periodi-
     cal inspections necessary to check the serviceability of the 
     engine; inspection after propeller strike.  

     Detailed  knowledge of engine starting; ground  run-up;  ad-
     justments and checking of the performance of the engine  and 
     its components including systems; Top overhaul procedure and 
     engine on-condition maintenance.

     Knowledge of NDT techniques as applicable to engine parts.

     Knowledge  of engine preservation and depreservation  proce-
     dures.