For spark ignition engines fuel in order of decreasing knock tendency are
A.Paraffins, aromatics, naphthenes
B.Paraffins, naphthenes, armatics
C.Naphthenes, paraffins
D.Naphthenes, aromatics, paraffins
E.Aromatics, paraffins, naphthenes
A.Paraffins, aromatics, naphthenes
B.Paraffins, naphthenes, armatics
C.Naphthenes, paraffins
D.Naphthenes, aromatics, paraffins
E.Aromatics, paraffins, naphthenes
A.0?C
B.? 10?C
C.? 39?C
D.? 173?C
E.? 260?C
A.100-150 gm
B.150-180 gm
C.185-210 gm
D.215-300 gm
E.500-800 gm
A.Acetone peroxide
B.Hydrogen peroxide
C.Armatic compounds
D.n heptane
E.None of above
A.Otto cycle is more efficient
B.Brayton cycle is less efficient
C.Brayton cycle is for slow speed engines only
D.Brayton cycle requires large air-fuel ratio
E.Large volume at low pressure cannot be efficiently harded in reciprocating engines
A.At constant pressure the temperature of a gas varies inversely as its volume
B.At constant pressure the absolute temperature of a gas varies inversely as its volume
C.At constant temperature, the pressure of a gas varies inversely as its volume
D.At constant temperature, the absolute pressure of a gas varies inversely as its volume
E.None of the above
A.Morse test can be conducted on petrol engines
B.Morse test can also be conducted on diesel engines
C.Morse test can be conducted only on multicylinder engines
D.LH.P of engines can be determined by more test
E.Morse test can be conducted on CFR engine.
A.30
B.20
C.15
D.10
E.5
A.10 to 25
B.25 to 60
C.20 to 75
D.80 to 100
E.55 to 65
A.10 to 15
B.15 to 20
C.20 to 25
D.40 to 55
E.55 to 65