JPATS Weather - NETC
JPATS Weather - NETC
JPATS Weather - NETC
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
<strong>JPATS</strong> AVIATION WEATHER BOOKLET<br />
7. An aviation hazard associated with structural icing is that it results in ______.<br />
a. a reduction of lift by changing the airfoil characteristics<br />
b. a decrease in airspeed<br />
c. a decrease in drag<br />
d. both a and c are correct<br />
8. Clear icing will generally be encountered between a temperature range of ______.<br />
a. –2° C and –10° C<br />
b. 0° C and –10° C<br />
c. 0° C and –20° C<br />
d. +2° C and –20° C<br />
In questions 9 through 12, match the types of structural ice in column B with the correct<br />
descriptions in column A.<br />
A<br />
9. Formed from small super-cooled water<br />
droplets in stratiform clouds of stable air<br />
10. Consists of ice crystals formed by<br />
deposition.<br />
11. Formed by large individual water<br />
droplets freezing as they strike the<br />
aircraft surface<br />
B<br />
a. Clear icing<br />
b. Rime icing<br />
c. Mixed icing<br />
d. Frost<br />
12. Considered to be the most frequently<br />
encountered type of icing<br />
13. What happens to stall speed when ice forms on the wings of an aircraft?<br />
a. It will increase<br />
b. It will decrease<br />
c. It will remain the same<br />
d. All of the above<br />
14. Engine failure due to icing conditions encountered by a jet aircraft is generally the result of<br />
______.<br />
a. carburetor icing<br />
b. a rapid drop in exhaust gas temperature<br />
c. a decrease in the fuel-air ratio<br />
d. induction icing<br />
Version 3.2/Dec 08 4-27
Change language