If w is the weight of water per cubic metre, Q is the discharge in cubic metres

CuriousTab

Home Aptitude

Question
If w is the weight of water per cubic metre, Q is the discharge in cubic metres per sec and H is the total head, the required water horse power of the pump, is
Options
A.
B.
C.
D.
E. none of these.

Correct Answer

2. The order of existence of three portions of water in a reservoir from the bottom to top is
Options
A. useful storage + surcharge storage + dead storage
B. useful storage + dead storage + surcharge storage
C. dead storage + useful storage + surcharge storage
D. surcharge storage + useful storage + dead storage
E. none of these.

3. Pick up the correct statement from the following :
Options
A. At a particular speed of operation, the head produced decreases with the increase of discharge
B. At zero discharge, discharge valve remaining closed, the head developed is maximum which is known as shut-off head
C. At a particular speed the discharge at which efficiency of a pump is maximum, is known as normal discharge
D. The brake horse power required from the primemover to drive the pump, increases with the increase of discharge
E. all the above.

8. Pick up the correct statement from the following :
Options
A. For determination of small colour intensities, tintometer is generally used
B. The odour of water sample is generally measured by a term called odour intensity
C. The colour of water sample may be detected by Nessler tube
D. Specific conductivity of water measures the amount of dissolved salt
E. All the above.

Comments