- (A) increases
- (B) decreases
- (C) remains unaffected
- (D) depends on other factors
- (E) unpredictable
Mechanical Engineering Mcqs
- (A) the shape and layout of the piston crown, the inlet port, and the valve produce the turbulent effect on 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) fuel is injected at atmospheric pres¬sure
- (E) there are no valves.
- (A) increase the knocking tendency
- (B) decrease the knocking tendency
- (C) not affect the knocking tendency
- (D) increase or decrease knocking tendency depending on strength and time of spark
- (E) unpredictable
- (A) gas engine
- (B) 2-stroke S.I. engine
- (C) 4-stroke S.I. engine
- (D) steam engine
- (E) 4-stroke C.I. engine
- (A) 92%
- (B) 68%
- (C) 52%
- (D) 34%
- (E) 25%.
- (A) 6 to 12 volts
- (B) 240 volts
- (C) 1000 volts
- (D) 20,000 volts
- (E) 80,000 volts
- (A) The shape and layout of the pistion 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
- (A) 10 kg/cm2
- (B) 100 kg/cm2
- (C) 500 kg/cm2
- (D) 1400 kg/cm2
- (A) Zero
- (B) 5-10%
- (C) Depends on load and quality of fuel
- (D) Considerable percent
- (A) Half
- (B) One
- (C) Two
- (D) Four
