Category: I.C. Engines

A. give lot of smoke
B. detonate
C. knock
D. not run
E. run for some time and then stop

A. the shape and layout of the piston crown, the inlet port, and the valve produce the turbulent effect of fuel mixture
B. fuel is injected into an auxiliary chamber that is separated from the cylinder by an orifice or throat
C. only a part of air charge is contained in an auxiliary chamber in which the fuel starts to burn with insufficient air which due to explosion tendency mixes thoroughly into main cylinder charge
D. there are no valves
E. fuel is partly burnt by spark

A. kerosene
B. gasoline
C. paraffin
D. diesel
E. natural gas

A. calorific value of oil
B. low heat value of oil
C. high heat value of oil
D. mean heat value of oil
E. all of the above

A. uniform throughout the mixture
B. chemically correct mixture
C. about 3-5% rich mixture
D. about 10% rich mixture
E. about 10% lean mixture

A. decrease
B. increase
C. remain unalfected
D. depend on other factors
E. none of the above

A. naturally aspirated
B. supercharged
C. centrifugal pump
D. turbo charger
E. none of the above

A. 90%
B. 50%
C. 40%
D. 30%
E. 15%.

A. instantaneous and rapid burning of the first part of the charge
B. instantaneous atuo iginition of last part of charge
C. delayed burning of the first part of the charge
D. reduction of delay period
E. all ot the above

A. increases
B. decreases
C. remains unaffected
D. depends on other factors
E. unpredictable