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Terms in this set (54)
Single ship training LZs must provide a minimum of _____ clearance from any portion of the helicopter to the nearest obstacle.
25'
IAW AFMAN 11-2HH-60 Vol 3, when landing to a surface area smaller than your rotor diameter, such as a pinnacle, ______must be available.
OGE
IAW AFMAN 11-2HH-60 Vol 3, accomplish a high reconnaissance at a minimum of_____ft above the site at a minimum airspeed of_______.
150 ASE, 50 KIAS
The AN/APN-239 weather radar emits with the function switch placed in which mode(s):
ON
The AN/APN-239 weather radar system incorporates a range feature. Selectable ranges include 0.5, 1, 2, 5, 10, 20, 40, 80, 160 and __________ NM.
240
In the WxA (weather alert) mode, the AN/APN-239 weather radar system looks ahead an additional __________ NM at each selected range (except max range).
25
When operating the AN/APN-239 weather radar system in Wx and WxA mode, radar echoes are displayed to furnish weather information relative to rain cloud formation, rainfall rate, thunderstorms with moisture, and areas of icing conditions. Areas with the lightest rainfall are colored __________ on the weather radar display.
Green
Do not allow personnel within __________ ft of the radar antenna when the radar is transmitting.
25
The System Control Unit (SCU) contains:
ON/OFF/COOL DOWN control
System status indicators
Built-in Test/Fault Isolation test function
Which system must be ON to properly stow the FLIR?
NAV
Up to __________ ELMO(s) can be connected via the various data ports.
4
Once the ELMO is powered up, the system navigation source provides the ELMO with the aircraft's present position. This appears on the map display as a __________.
Moving aircraft symbol
(FOUO) The Lead aircraft trail color displayed by ELMO is __________.
Blue
(FOUO) Chalk 2 trail color displayed by ELMO is _____________.
Green
(FOUO) One of ELMO's strengths is continual SA on position in relation to a GEO reference (bullseye, threat, boundaries).
True
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Verified questions
ENGINEERING
An air compressor compresses 6 L of air at 120 kPa and 20$^\circ{}$C to 1000 kPa and 400$^\circ{}$C. Determine the flow work, in kJ/kg, required by the compressor. Answer: 109 kJ/kg
ENGINEERING
All the conditions of previous problem are repeated here, except the weight W is replaced by a spring of constant k = 2 lb/in. The spring is unstretched when $\theta$ = 0. Determine and plot the tension $T_{B}$ in the biceps muscle group over the range $0 \leq \theta \leq 105^{\circ}$, and state the maximum value of ${T}_{{B}}$ and the angle $\theta$ at which it occurs.
ENGINEERING
It is well known that wind makes the cold air feel much colder as a result of the wind chill effect that is due to the increase in the convection heat transfer coefficient with increasing air velocity. The wind chill effect is usually expressed in terms of the wind chill temperature (WCT), which is the apparent temperature felt by exposed skin. For outdoor air temperature of $0^{\circ} \mathrm{C},$ for example, the wind chill temperature is $-5^{\circ} \mathrm{C}$ at 20 km/h winds and $-9^{\circ} \mathrm{C}$ at 60 km/h winds. That is, a person exposed to $0^{\circ} \mathrm{C}$ windy air at 20 km/h will feel as cold as a person exposed to $-5^{\circ} \mathrm{C}$ calm air (air motion under 5 km/h). For heat transfer purposes, a standing man can be modeled as a 30-cm-diameter, 170-cm-long vertical cylinder with both the top and bottom surfaces insulated and with the side surface at an average temperature of $34^{\circ} \mathrm{C}.$ For a convection heat transfer coefficient of $15 \mathrm{W} / \mathrm{m}^{2} \cdot \mathrm{K},$ determine the rate of heat loss from this man by convection in still air at $20^{\circ} \mathrm{C}.$ What would your answer be if the convection heat transfer coefficient is increased to $30 \mathrm{W} / \mathrm{m}^{2} \cdot \mathrm{K}$ as a result of winds? What is the wind chill temperature in this case?
ENGINEERING
The temperature of air changes from 0 to $10^{\circ} \mathrm{C}$ while its velocity changes from zero to a final velocity, and its elevation changes from zero to a final elevation. At which values of final air velocity and final elevation will the internal, kinetic, and potential energy changes be equal?
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