Ice and Rain Protection Flashcards
How is anti-icing for the pitot tubes and static ports accomplished?
A. 28-VDC electrical power
B. Bleed air from the engines
C. 115-VAC electrical power
D. 28-VDC electrical power with bleed-air back-up
A. 28-VDC electrical power
What verifies proper operation of the pitot tubes and static ports anti-icing system?
A. An ITT increase after the system is turned on
B. Each ammeter load increases as the system is turned on
C. Water droplets on the pitot tubes
D. Both A and B
B. Each ammeter load increases as the system is turned on
When should pitot-static anti-icing be turned on?
A. Only when there is a pitot or static instrument indication of icing
B. Any time the OAT is below freezing
C. For all flights
D. With an OAT of 40F (4C) or below and visible moisture or if the possibility of icing exists
D. With an OAT of 40F (4C) or below and visible moisture or if the possibility of icing exists
How are the pilot’s and copilot’s windshield wipers operated?
A. Pneumatically and controlled with a single switch
B. Pneumatically and controlled with separate switches
C. Electrically and controlled with a single switch
D. Electrically and controlled with separate switches
C. Electrically and controlled with a single switch
What heat source does the windshield defrosting system use?
A. Heated air from the cockpit ventilating system
B. Heated air from the cockpit heating system
C. Either heated air or cockpit ventilating air
D. Bleed air directly from each engine
B. Heated air from the cockpit heating system
How is the windshield defrosting system activated?
A. By closing the instrument panel vents and pulling out the control knob below the vents
B. By activating the cockpit heating system and closing the lower center pedestal vents
C. By activating the cockpit heating system and moving the DEFROST lever to ON
D. By moving the WSHLDHEAT switches on the overhead panel to ON
C. By activating the cockpit heating system and moving the DEFROST lever to ON
What heat source does the windshield defogging system use?
A. Heated air from the cockpit ventilating system
B. Heated air from the cockpit heating system
C. Bleed air directly from each engine
D. Either heated air or cockpit ventilating air, depending on OAT
D. Either heated air or cockpit ventilating air, depending on OAT
When should the windshield defrosting sys- tem not be activated?
A. In conjunction with the cockpit heating system
B. At an OAT above 20F (-6.7C)
C. At an OAT above 70F (21C)
D. If flying in rain showers
C. At an OAT above 70F (21C)