Related Questions

For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred
A Centrifugal
B Axial flow
C Reciprocating
D Mixed flow
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 pump used for irrigation purposes is generally designed for
A Large capacity & high head
B Large capacity & low head
C Small capacity & high head
D Small capacity & low head
Which category of river training work deals with flood control?
A Training for Sediment
B Low Water Training
C Training for Depth
D Training for Discharge
For a flood control reservoir, the effective storage is equal to
A Useful storage - valley storage
B Useful storage + surcharge storage
C Useful storage + surcharge storage + valley storage
D Useful storage + surcharge storage - valley storage
In a certain growth fund , 3/5 of the investment capital is investment in stocks, and of that portin, 1/3 is invested in preferred stocks. If the mutual fund has $ 8,64,000 invested in preferred stocks , what is the total amount of money invested in the fund?
A $4,230.000
B $3,264,000
C $3,826,000
D $1,974,000
In a certain growth fund, 3/5 of the investment capital is investment in stocks, and of that portion, 13 is invested in preferred stocks. If the mutual fund has $8,46,000 invested in preferred stocks, what is the total amount money invested in the fund?
A 4230000
B 3264000
C 3826000
D 1974000

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