a) Colour test b) Carbon residue test c) Pour point test d) Flash fire test Answer: d
View QuestionWhich of the following is lubrication theory?
a) Fluid film theory b) Boundary layer theory c) Fluid film & Boundary layer theory d) Thermosiphon theory
View QuestionWhich of the following is a semi fluid lubricant, used for slow moving parts?
a) Grease b) Crankcase breather c) Relief valve d) Oil pressure gauge Answer: a Explanation: Grease is ...
View QuestionIn which type of filter does the entire quantity of oil is forced to circulate through it before it enters the engine?
a) Oil pressure gauge b) By pass filter c) Full flow filter d) Crankcase breather Answer: c
View QuestionWhich of the following is not a system of lubrication used on stationary engines, tractor engines and automobiles?
a) Splash system b) Thermosiphon method c) Forced feed system d) Combination of splash and forced feed
View QuestionWhat is viscosity index (V.I.)?
a) V.I.=\(\frac{L-U}{L-H}\)*100 b) V.I.=(L-U)+(L+H) c) V.I.=(L-U)*(L+H) d) V.I.=\(\frac{L-H}{L-U}\)*100 Answer: a Explanation: Viscosity index is an arbitrary measure ...
View QuestionWhat is Poiseuille’s law?
a) η=\(\frac{πpr^4 t}{8Vl} \) b) η=\(\frac{πpr^4 t}{16Vl} \) c) η=\(\frac{πpr^4 t}{32Vl} \) d) η=\(\frac{3πpr^4 t}{8Vl} ...
View QuestionWhich test is used to measure the resistance to flow of the lubricating oil?
a) Pour point test b) Gravity test c) Colour test d) Velocity test ...
View QuestionAir ignition pumps are mostly used in ___________
a) Scooter b) Tractor engines c) Light engines d) Heavy duty stationary engines Answer: d Explanation: ...
View QuestionTurbo charger is a ___________
a) Turbo compressor b) Fuel controller c) Lock in fuel supply line d) Timber cell used for ignition
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