In leanest mixture, the fair fuel ratio is about:
A.12;1
B.14;1
C.15;1
D.20;1
Category: Agricultural Engineering Mcqs
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The temperature at which vapour flashes momentarily is:
A.Pour point
B.Flash point
C.Fire point
D.All are correct
Ratio of brake horsepower to indicated horsepower is:
A.Thermal efficiency
B.Volumetric efficiency
C.Mechanical efficiency
D.Brake efficiency
Excessive oil consumption in engines is due to:
A.High speed of engines
B.Excess going of oil into combustion chamber
C.More pressure of line
D.All are correct
The land holding of small farmer is
A.Less than 4 ha land
B.Less than 10 ha land
C.More than 4 ha land
D.More than 10 ha land
A pump that transfers fuel from the fuel line to the fuel injection pump is:
A.Fuel lift pump
B.Feed pump
C.Transfer pump
D.All are correct
Blue smoke indicates:
A.Presence of water in fuel
B.Burning of lubricant in cylinder
C.Presence of waer in lubricant
D.Rich air and fuel mixter
In three cylinder in-line engine the power impulse occurs after every:
A.720? of crankshaft rotation
B.360? of crankshaft rotation
C.240? of crankshaft rotation
D.120? of crankshaft rotation
A pump used in force-feed lubrication system is:
A.Centrifugal pump
B.Reciprocating pump
C.Positive displacement pump
D.None of these
Medium size bullock can develop:
A.0.50 to 0.75 hp
B.0.75 to 1.0 hp
C.0.75 hp to 1.1 hp
D.1.0 to 1.5 hp
