The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to

A Enable the pump's fault diagnosis function to operate
B Warm up and lubricate the pump
C Supplies a large amount of fuel and thereby creates a choke effect
D Pressurise the fuel system before the engine is started

Correct Answer: Pressurise the fuel system before the engine is started

The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to Pressurise the fuel system before the engine is started
Bissoy MCQ
#Mechanical Engineering #Automobile Engineering

Related Questions

The fuel pump in the programmed fuel injection (PFI) system is located
A Between the fuel filler pipe and fuel tank
B In the fuel tank
C On the distributor mounting in the engine compartment
D On the engine compartment bulkhead
একটি পানিপূর্ণ কুয়ার গভীরতা 20m ও ব্যাস 2 m. কুয়াটিকে পানি শূণ্য করার জন্য 5 HP এর একটি পাম্প লাগানো হল। অর্ধেক পানি তোলার পর পাম্পটি নষ্ট হয়ে গেল। বাকি পানি তোলার জন্য একই ক্ষমতা সম্পন্ন আর একটি পাম্প লাগানো হল। প্রথম পাম্প দ্বারা সম্পাদিত কাজের পরিমান নির্ণয় কর।(The depth and diameter of a water filled well are 20 m and 2 m respectively. An engine of 5 HP is attached to pump out the water. The pump was ruined after emptying half of the water. Then another pump of same capacity was attached to pump out rest of the water. Determine the work done by first pump.) 
A 2.54 × 104 J
B 1.44 × 104 J
C 2.34×104 J
D 1.54 × 104 J
E 1.54 ×104 J
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A 2.58
B 8.59
C 8.94
D 9.31
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A 72
B 75
C 84
D 96
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A Develops a lower head
B Capacity is reduced
C Requires more power
D All of the above
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A 10 km
B 15 km
C 20 km
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A 3, 3, 1, 7
B 3, 2, 1, none
C 3, 2, 1, 7
D 3, 3, 2, none
E All of the above
A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds, all starting at the same point. After what time will they gain meet at the starting point altogether?
A 26 minutes and 18 seconds
B 42 minutes and 36 seconds
C 45 minutes and 38 seconds
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B Battery system
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A boat has a crack in its bull which is leaking water into the boat and could pump which can pump the water out in 8 hours . If the boat is 168 km away from the shore and the pump is running what is the minimum speed the boat should run at so that it can reach the shore before sinking?
A 5km./hour
B 6 km/hour
C 7 km/hour
D 8km/hour

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