General formula of armatics is:
A.Cn H2n-2
B.Cn H2n-6
C.Cn H2n+2
D.Cn H2n-4
Category: Agricultural Engineering Mcqs
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Animal far lubricants are:
A.Suitable for machine
B.Less viscous
C.It is gummy and waxy type
D.All are correct
Lighter fuels have:
A.High API gravity
B.Low API gravity
C.High density
D.All are correct
The counter weight on a crankshaft is located opposite to:
A.Small end bearing
B.Big end bearing
C.Main bearing
D.None of these
The location of carburetor in tractor from front is in:
A.Center
B.Left side
C.Right side
D.None of these
As the ‘cc’ of engine increases, the power of engine will:
A.Decrease
B.Increase
C.Remains same
D.None of these
The API gravity of light diesel oil is:
A.22
B.25
C.40
D.50
The oil pan of an engine is made of:
A.Steel or aluminum
B.Cast iron or brass
C.Steel or cast iron
D.Cast iron or zinc
Distance travelled by piston from TDC to BDC is:
A.Stroke
B.Bore
C.Piston displacement
D.Piston speed
The thermal efficiency of petrol engine varies between:
A.25 and 32 per cent
B.30 and 35 per cent
C.32 and 38 per cent
D.30 to 40 percent
