Related Questions

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
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
Working alone, pump A can empty a pool in 3 hours. Working alone, pump B can empty the same pool in 2 hours. Working together, how many minutes will it take pump A and pump B to empty the pool?
A 72
B 75
C 84
D 96
A centrifugal pump designed to pump water is employed to pump a more viscous oil. In the later case, the pump
A Develops a lower head
B Capacity is reduced
C Requires more power
D All of the above
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
The advantage of the fuel injection system over the carburettor system is
A Improved fuel efficiency
B Improved emission
C Improved power output
D All of these
Match the best alternative that correspond to the bracket word or phrase in the sentences : Microprocessors, unlike computers, are programmed to complete (defined) tasks.
A arduous
B specific
C several
D similar
A computer is programmed to add 3 to the number N. multiply the result by 3. subtract 3. and divide this result by 3. The computer answer will be
A N +1
B N -2
C N
D N +2
Automatons programmed to perform a given task……….. flexibility and adaptability of human beings.
A without
B lack
C minus
D not having
The memory which is programmed at the time it is manufactured is
A RAM
B ROM
C PROM
D EPROM
E None of these

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