- (A) increase
- (B) decreae
- (C) be unaffected
- (D) depend on other factors
- (E) unpredictable
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- (A) varying compression ratio
- (B) using lian mixture
- (C) retarding the spark timing
- (D) reducing the r.p.m.
- (E) increasing inlet pressure
- (A) 1
- (B) 0.7
- (C) 0.85
- (D) 0.5
- (E) 1.25
- (A) 1-2-3-4
- (B) 1-3-2-4
- (C) 1-4-2-3
- (D) 1-2-4-3
- (E) 1-3-4-
- (A) 0°C
- (B) – 10°C
- (C) 10°C
- (D) less than – 30°C
- (E) less than – 273°C
- (A) 5
- (B) 7
- (C) 10
- (D) 13
- (E) 16
- (A) octane number
- (B) cetane number
- (C) calorific value
- (D) carbon content
- (E) ignition temperature
- (A) auto ignition
- (B) preignition
- (C) retarded ignition
- (D) accelerated ignition
- (E) detonation
- (A) instantaneous auto-ignition of last part of charge to be burnt
- (B) improper mixing of air and fuel
- (C) improper combustion
- (D) self ignition temperature has nothing to do with detonation
- (E) none of the above
- (A) enhanced by increasing compression ratio
- (B) enhanced by decreasing compression ratio
- (C) unaflected by compression ratio
- (D) first enhanced by increasig compression ratio upto a limit beyond which it will be suppressed
- (E) dependent on other factors
