Mechanical Engineering MCQs

A. Zero
B. 5-10%
C. Depends on load
D. Considerable percent

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. Increase
B. Decrease
C. Remain unaffected
D. Increase/decrease depending upon engine capacity

A. Zero
B. 5-10%
C. Depends on load and quality of fuel
D. Considerable percent

A. 10 kg/cm2
B. 100 kg/cm2
C. 500 kg/cm2
D. 1400 kg/cm2

A. Half
B. One
C. Two
D. Four

A. Decreases
B. Increases
C. Remains same
D. Decreases upto a limit and then increases

A. Quantity governing
B. Quality governing
C. Combined governing
D. Partial governing

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

A. Quantity governing
B. Quality governing
C. Combined governing
D. Partial governing