Mechanical Engineering - Automobile Engineering
Exercise :: Automobile Engineering - Section 1
| 31. |
The information provided by the oxygen (O2) sensor to the feedback control system is about the |
| A. |
air-fuel ratio | | B. |
air temperature | | C. |
air flow speed | | D. |
exhaust gas volume |
Answer: Option A
Explanation:
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| 32. |
The diagram which shows the correct crank positions corresponding to the opening and closing of the valves, is known as |
| A. |
indicator diagram | | B. |
axial force diagram | | C. |
valve timing diagram | | D. |
none of these |
Answer: Option C
Explanation:
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| 33. |
The difference between DOT 3 and DOT 4 brake fluids is |
| A. |
DOT 4 fluid has a higher boiling point than DOT 3 fluid | | B. |
DOT 4 fluid has a lower boiling point than DOT 3 fluid | | C. |
DOT 3 and DOT 4 fluids have the same boiling point, but DOT 4 fluid has a longer service life | | D. |
DOT 4 fluid is more resistant to freezing than DOT 3 fluid |
Answer: Option A
Explanation:
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| 34. |
The battery is an electrochemical device, which means battery |
| A. |
makes chemicals by mechanical means | | B. |
uses chemical action to provide electricity | | C. |
has curved plates instead of flat plates | | D. |
does not use an electrolyte |
Answer: Option B
Explanation:
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| 35. |
The operation of removing trapped air from the hydraulic braking system is known as |
| A. |
trapping | | B. |
tapping | | C. |
bleeding | | D. |
cleaning |
Answer: Option C
Explanation:
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