Which conduit entrance is expected to have least loss coeffieient?
A.Inward projecting entrances
B.Square bell mouth entrances
C.Circular bell mouth entrances
D.Slightly rounded entrance
E.Square cornered entrance
A.Inward projecting entrances
B.Square bell mouth entrances
C.Circular bell mouth entrances
D.Slightly rounded entrance
E.Square cornered entrance
A.The first row
B.Row with maximum rivets
C.Middle row
D.End row with one rivet only
E.All rows have same strength
A.Engine cylinder diameter
B.B.H.P.
C.Speed
D.Mean effective pressure
E.Weight of engine
A.1 to 3 days
B.3 to 5 days
C.7 to 21 days
D.20 to 30 days
A.Tungsten, wrought, iron, copper, aluminium, glass
B.Wrought iron, copper, aluminium, glass, tungsten
C.Copper, aluminium, glass, tungsten, wrought iron
D.Aluminium, glass, copper, wrought, iron, tungsten
E.Glass, aluminium, copper, wrought, iron, tungsten
A.Voltages
B.Currents
C.Both (A) and (B) above
D.None of the above
A.50 Rockwell ‘C’
B.66 – 67 Rockwell ‘C’
C.100 – 150 Rockwell ‘C’
D.80-85 Rockwell ‘C’
E.There is no such limit for hardness
A.has a high octane rating
B.may not knock at high speed
C.will always knock at high speed
D.will have low fire point
A.More efficient
B.Less efficient
C.Equally efficient
D.Depend on other factors
E.None of the above
A.2
B.3
C.4
D.5
E.6