39

40

41

42

43

45

46

47

48

49

50

A)Endothermic B)Auto Catalytic C)Exothennic D)None of the above

Presence ‏ب‎ ofin a dry gaseous fuel does not contribute to its calorific

value. A)hydrogen B)oxygen C)sulphur D)carbon

Which of the following gaseous fuels has the lowest calorific value?

A)Gobar gas__B)Refinel Y gas C)Converter gas D)Blast furnace gas

For every 10% increase in the excess air; the fuel consumption increases by

1 10ھ

"The specific fuel consumption per BHP hour for a conventional Diesel elgine is:

A)O.15kgB)0.2kg C)0.25 kg D)0.3 kg

The probability of knocking in diesel engines is increased by
A)Highself ignition temperature B)Low volatility
C)Higher viscosity D)AII of the above

PDI is the short form of
A)Programmed direct injection B)Particular degree injection C)he-delivery
inspectionD)PTe-diagnose inspecii on

Which of the following creates a flapping sound near the front of the engine?
A)Timing belt tension too tight B)Drive belt too tight
C)Drive belt too loose D)Timing belt tension too loose

All model passenger cars and light are OBDII-equipped from the year A)2010

B)2006 C)1999 D)1996

The DLC used in OBD 1 compliance vehicles refers to:
A)Direct link connector B)Data Log connector
C)Data link connectorD)DiaY 10stic link connector

Hot soak is a problem seen in some carburetted vehicles due to
A)lmproper tuning B)Ova-flowing C)Vapour lockD)Mis-firing

If you observe presence of lubrication oil in tre coolant, it is a symptom of:
A)Blown out radiator B)Blown out lube oil pump C)Blown out head
gasketD)Blown out exhaust valve

The 5೫೦00500007] an equipment used to check:
A)Engine vibration B)Valve timing C)lgnition aming D)Engine
ECU