Top 150+ Solved Water Supply Engineering MCQ Questions Answer
Q. Which of the following are installed in order to collect product samples hygienically for quality analysis?
a. bends
b. reducers
c. sampling device
d. tees
Q. Which among the following is not a permanent wielding connection?
a. bends
b. reducers
c. sampling device
d. tees
Q. Calculate area of a pipe if, flow rate is 20 l/min and flow velocity is 5 cm/s.
a. 66.66 cm2
b. 60 cm2
c. 62 cm2
d. 64 cm2
Q. Which among the following is shut-off and change over valve?
a. seat valve
b. butterfly valve
c. seat valve and butterfly valve
d. bend
Q. To prevent the product flow in the wrong direction which of the following valve is used?
a. seat valve
b. butterfly valve
c. seat valve and butterfly valve
d. check valve
Q. Which of the following valves is used to maintain pressure in the system?
a. pressure relief valve
b. check valve
c. manual control valve with variable flow plug
d. pneumatic control valve with variable-flow plug
Q. Valves with constant outlet pressure are used after which of the following machines?
a. separator
b. pasteurizer
c. homogenizer
d. filling machine
Q. What is the total loss developed in a series of pipes?
a. sum of losses in each pipe only
b. sum of local losses only
c. sum of local losses plus the losses in each pipe
d. zero
Q. The total head loss for the system is equal to
a. pipe length
b. pipe diameter
c. width of the reservoir
d. height difference of reservoirs
Q. Which among the following is not a loss that is developed in the pipe?
a. entry
b. exit
c. connection between two pipes
d. liquid velocity
Q. If the two reservoirs are kept at the same level, the head loss is
a. z1-z2
b. zero
c. t2-t1
d. s2-s1
Q. How do we determine the total discharge through parallel pipes?
a. add them.
b. subtract them
c. multiply them
d. divide them