AIR TEMPERATURE MEASUREMENT

Question 1

The difference between static air temperature and total air temperature is known as:

Answer 1

b. the total ram rise

Question 2

A direct reading aircraft thermometer usually consists of a bimetallic helix protruding into the airstream. Movement of the pointer over the temperature scale will depend upon:

Answer 2

d. different coefficients of expansion of the two metals

Question 3

A remote reading thermometer depends on ………. to indicate changes in temperature:

Answer 3

b. change of electrical resistance with temperature

Question 4

Aircraft air temperature thermometers are shielded to protect them from:

Answer 4

a. solar radiation

Question 5

At a true airspeed of 500 knots, what is the ram rise?

Answer 5

b. 25 C

Question 6

An air temperature probe may be aspirated in order to:

Answer 6

b. measure air temperature on the ground

Question 7

Total Air Temperature is:

Answer 7

a. the maximum temperature attainable by the air when brought to rest adiabatically

Question 8

Which of these formulae gives the total temperature (Tt) from the static temperature (Ts):

Answer 8

b. Tt =Ts(1 + 0.2 Kr M2)