The four states of matter are __________, __________, __________, and __________.
Fill in the blank(s) with correct word
[Ques. 2] The SI unit of pressure is __________.
Fill in the blank(s) with correct word
[Ques. 3] The difference between the pressures inside and outside a tire is called __________.
Fill in the blank(s) with correct word
[Ques. 4] A device that measures absolute air pressure is called a __________.
Fill in the blank(s) with correct word
[Ques. 5] The absolute pressure depends on
a. the weight of the fluid. b. the atmospheric pressure.
c. the cross-sectional area. d. the gauge pressure.
[Ques. 6] The nucleus of an atom contains
a. protons. b. neutrons.
c. electrons. d. all of the above.
[Ques. 7] Normal atmospheric pressure is
a. 14.7 psi.
b. 1 N/m2.
c. zero.
d. 760 mm of mercury.
e. 101,000 pascals.
f. none of the above.
[Ques. 8] The hydraulic system in modern aircraft is an example of:
a. Bernoulli's principle. b. Pascal's principle.
c. Archimedes' principle. d. Galileo's principle.
[Ques. 9] The absolute pressure is
a. the gauge pressure plus 1 atmosphere. b. the gauge pressure plus the atmospheric pressure.
c. the gauge pressure minus the atmospheric pressure. d. the atmospheric pressure plus 14.7 psi.
[Ques. 10] The cabin pressure of a passenger jet cruising at high altitude (30,000 ft) is about 1 atm. and the pressure outside is about 0.3 atm. What is the outward force on a window measuring 1 foot by 1 foot.
a. 10.3 lb b. 100.3 lb
c. 1,000.3 lb d. 1,481.8 lb
e. 2,116.8 lb