Chapter 4- J&B Driver/ Operator 1B Exam Test with Answers Rated A

Chapter 4- J&B Driver/ Operator 1B Exam Test with Answers Rated A

1. Municipal and water systems
furnish water under pressure through fire hydrants.
A. compound C. private
B. complex Page: 72
C. private
D. multifaceted
2. Which of the following are examples of static water
sources?
A. Water tanks D. Lakes
B. Dry plugs Page: 72
C. Hydrants
D. Lakes
3. In water, atom(s) of oxygen is bound to
atom(s) of hydrogen.
A. one, two A. one, two
B. two, one Page: 73
C. two, two
D. one, one
4. What allows water to flow, puddle, and remain together
even after leaving a nozzle?
A. Specific heat index B. Surface tension
B. Surface tension Page: 73
C. Universal solvent
D. Hydrogen
5. What causes a water stream to break up into smaller
droplets?
A. Pressure B. Gravity
B. Gravity Page: 73
C. Friction
D. Force



, Chapter 4- J&B Driver/ Operator 1B Exam Test with Answers Rated A

6. Substances dissolved in water are referred to as
.
A. solids C. aqueous
B. liquid solids Page: 73
C. aqueous
D. gases
7. Water is able to absorb heat because of its
characteristics.
A. hydrogen-bonding A. hydrogen-bonding
B. exuding Page: 73
C. radiant
D. convective
8. The amount of heat energy required to increase the
temperature of a substance is known as its:
A. hydrogen-bonding index. B. specific heat index.
B. specific heat index. Page: 73
C. radiant index.
D. convective index.
9. Water absorbs almost times more heat than
sodium bicarbonate.
A. two D. five
B. three Page: 73
C. four
D. five
10. What is the weight of a gallon of water in liquid form?
A. 4.34 lb (1.97 kg)
C. 8.34 lb (3.79 kg)
B. 6.34 lb (2.89 kg)
Page: 74
C. 8.34 lb (3.79 kg)
D. 9.34 lb (4.26 kg)