Environmental Engineering Mock Test 4

10%

Question 1 of 10

1. Mcwane pipes are ___ stronger in tension than Pit cast pipes.

100%

30%

50%

20%

Question 1 of 10

Question 2 of 10

2. The maximum salt concentration up to which desalination of brackish water is possible by Electro-dialysis is _____________

3000ppm

5000ppm

1000ppm

2000ppm

Question 2 of 10

Question 3 of 10

3. In which type of pump, the liquid is in contact with both sides of the plunger?

Single acting reciprocating pump

Double acting reciprocating pump

Single cylinder pump

Booster pump

Question 3 of 10

Question 4 of 10

4. _______ is the point of intersection of system head curve with the characteristic curve of the pump.

Pumping point

Operating point

Velocity head

Discharge point

Question 4 of 10

Question 5 of 10

5. The speed at which the centrifugal pump runs (in r.p.m) is _____________

1200

300

200

500

Question 5 of 10

Question 6 of 10

6. The installed capacity of the pump does not depend on which of the following?

Balancing storage

Operation schedule

Power of pump

The maximum rate of hourly demand

Question 6 of 10

Question 7 of 10

7. The impeller in the volute pump is surrounded by _____________

Volute chamber

Throat

Suction pipe

Discharge pipe

Question 7 of 10

Question 8 of 10

8. The speed at which the reciprocating pump runs (in m/min) is _____________

120

100

Question 8 of 10

Question 9 of 10

9. In which of the following joint, pipes do not have sockets or spigots?

Spigot and socket joint

Tyton joint

Coupled joint

Expansion joint

Question 9 of 10

Question 10 of 10

10. If the diameter of pumping mains decreases, then the total dynamic head will increase.

True

False

Question 10 of 10