The ______________ angle is measured between the horizon and the line of sight to the object.
a. declination
b. altitude
c. inclination
d. zenith
[Ques. 2] The units of specific heat are
a. kcal-kg/C.
b. J/kg-C.
c. kcal-kg.
d. J/kg.
[Ques. 3] A ______________ is always shorter than a ______________ .
a. solar day; sidereal day
b. solar day; mean solar day
c. sidereal day; solar day
d. mean solar day; solar day
[Ques. 4] The SI unit of heat is the
a. calorie.
b. joule.
c. kilocalorie.
d. Btu.
[Ques. 5] A ______________ is always longer than a ______________ .
a. solar day; sidereal day
b. solar day; mean solar day
c. sidereal day; solar day
d. mean solar day; solar day
[Ques. 6] A large calorie (Cal) is the amount of heat needed to change the temperature of one ______________ of water by one Celsius degree.
a. dekagram
b. centigram
c. gram
d. kilogram
[Ques. 7] The actual amount of time it takes for Earth to rotate 360 on its axis is called a
a. meridian day.
b. 24-hour day.
c. sidereal day.
d. mean solar day.
e. solar day.
[Ques. 8] The average kinetic energy of the molecules in a gas is a measure of
a. volume.
b. density.
c. temperature.
d. heat content.
[Ques. 9] The apparent amount of time it takes for Earth to complete a rotation on its axis is called a
a. meridian day.
b. 24-hour day.
c. sidereal day.
d. mean solar day.
e. solar day.
[Ques. 10] One kelvin unit is equivalent to
a. 9/5 Fahrenheit degrees.
b. 1 Fahrenheit degree.
c. 2 Celsius degrees.
d. 1.8 Celsius degrees.
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