1.  Items that must be examined when inspecting manholes include _.
a. corrosion
b. cracks
c. elevation of lid
d. all the above

2. Vibrations in pumps may be caused by improper motor-pump _.
a. alignment
b. curves
c. piping
d. power factor

3. Advantages of a video tape recording system include _.
a. ability to see what’s happening when camera is under water
b. cheaper than a Polaroid camera
c. length and severity of defective areas can be recorded
d. visitors are impressed

4. The most widely used type of prime mover in a pumping plant is _.
a. diesel engine
b. electric motor
c. gas engine
d. steam engine

5. Schedule 40 refers to _.
a. flow capacity
b. friction loss
c. tubing strength
d. wall thickness

Answers:

1. d
2. a
3. c
4. b
5. d