Mechanical Engineering Mcqs

A fuel will detonate less if it has___________________?
  • (A)  higher self ignition temperature
  • (B)  lower self ignition temperature
  • (C)  proper self ignition temperature
  • (D)  self ingition temperature has nothing to do with detonation
  • (E)  none of the above
Pick up the wrong statement?
  • (A)  2-stroke engine can run in any direction
  • (B)  In 4-stroke engine, a power stroke is obtained in 4-strokes
  • (C)  thermal efficiency of 4-stroke engine is more due to positive scavenging
  • (D)  petrol engines work on otto cycle
  • (E)  petrol engines occupy more space than diesel engines for same power output