Embry ASCI310 Module 9.4.1 – Final Exam Part 1 latest 2016 December
Subject: General Questions / General Academic Questions
Question
Question 1
0 / 5 pts
What are the "basic units" in the British Gravitational System (BGS) for Energy?
ft/sec
ft-lb
ft-lb/sec
lb-sec
None of the above (neither A, B, C, or D)
Question 2
0 / 5 pts
Find the Potential Energy (ft-lb) of an aircraft weighing 300,000 lbs at 5,000 ft true altitude and 200 KTS True Air Speed.
1.5 x 109 ft-lb
6 x107 ft-lb
1 x 106 ft-lb
4.67 x 107 ft-lb
Question 3
5 / 5 pts
How does a decrease in Density altitude affect parasite and induced drag airborne?
Decreases both parasite and induced Drag
Density altitude does not affect drag
Increases Parasite Drag and decreases Induced Drag
Decreases Parasite Drag and increases Induced Drag
Question 4
0 / 5 pts
Find Glide Angle at Best L/D
Given:
Weight: 300,000 lb
Wing Area: 3050 ft2
Altitude: Sea level
Temperature: Standard
CL vs. AOA Curve Figure 4.3
CL vs. CD Curve Figure 4.12
Configuration: Flaps-30 Gear Down
8 .02 deg
5.5 deg
1.37 deg
7.13 deg
Question 5
0 / 5 pts
Find best Lift-to-Drag ratio.
Givens:
Weight: 300,000 lb
Wing Area: 3,050 ft2
Altitude: Sea level
Temperature: Standard
CL vs. AOA Curve Figure 4.3
CL vs. CD Curve Figure 4.12
Configuration: Flaps-30, Gear Down
15:1
20:1
8:1
10:1
Question 6
0 / 5 pts
In order to maximize cruise range the pilot or aircraft designer should do want with the CG?
Move the CG as far aft as possible
Move the CG as far forward as possible
CG has no affect on Range; so do nothing
Move the CG as high as you can
Question 7
0 / 5 pts
What is the maximum allowable payload for this flight considering the following information?
Given:
Basic operating weight: 100,500 lb.
Maximum zero fuel weight: 138,000 lb.
Maximum landing weight: 142,000 lb.
Maximum takeoff weight: 184,200 lb.
Fuel tank load: 28,000 lb.
Estimated fuel burn en route: 25,000 lb.
37,500 lb.
38,500 lb.
55,700 lb.
27,500 lb
Question 8
0 / 5 pts
How is turbojet Thrust Specific Fuel Consumption (TSFC) affected by outside air temperature?
TSFC decreases with decreasing temperature
TSFC is unaffected by changes in temperature
TSFC increases with decreasing temperature
Question 9
5 / 5 pts
Find Fuel Flow to maintain Level Flight.
Given:
Weight: 250,000 lb
Altitude: FL250
Temperature: Standard
Airspeed: Best Endurance
CL vs. CD Curve Figure 4.5
Turbofan Thrust Figure 6.5
Configuration: Flaps 0
8575 lb/hr
6500 lb/hr
6875 lb/hr
13,000 lb/hr
Question 10
0 / 5 pts
Find Thrust Specific Fuel Consumption (TSFC).
Givens:
Altitude: FL250
Temperature: Standard
Airspeed: 0.55 Mach
Turbofan TSFC Figure 6.5
0.55
0.32
0.42
0.60
Question 11
5 / 5 pts
What is the speed of sound at sea level on a standard day?
573.80 KTAS
603.23 KTAS
661.74 KTAS
Question 12
0 / 5 pts
Find Temperature Ratio at Cruising Altitude.
Givens:
Cruising Indicated Altitude:FL 350
Outside Air Temperature at altitude: -40 deg C
Atmosphere Table 2.1
0.8091
0.7594
0.2353
0.8253
Question 13
5 / 5 pts
Given a standard day, at what altitude is the true airspeed of an aircraft approximately twice what the airspeed indicator reads?
sea level
18,000 ft MSL
20,000 ft MSL
40,000 ft MSL
Question 14
0 / 5 pts
Find Equivalent Airspeed (KEAS).
Given:
Pressure Altitude: FL350
Indicated Airspeed: 250 KIAS
Atmosphere Table 2.1
Compressibility Correction Figure 3.2
Position error correction Figure 3.1
240 KEAS
236 KEAS
260 KEAS
264 KEAS
Question 15
0 / 5 pts
What factor causes an increase in the airspeed envelope of a transport aircraft?
Decreased Weight
Increased available thrust
A & B above
Question 16
5 / 5 pts
In preparing Range and Endurance Performance Charts, what the four most important parameters?
Fuel Flow, Color of airplane, Mass, and Airspeed
Weight, Passenger loading, Altitude, and Airspeed
Fuel Flow, Weight, Pressure Altitude, and Airspeed
Sea level Pressure, Weight, Fuel Flow and Airspeed
Question 17
0 / 5 pts
What method of flight test is used to determine V2, Vx and Vy?
Saw tooth Climb
Maximum Unstick tests
Fuel Flow vs Weight
Vmc
Question 18
0 / 5 pts
Find Fuel Flow One Engine.
Given:
Weight: 300,000 lb
Cruise Chart Figure 12.8
Temperature: ISA +10 deg C
Pressure Altitude: FL 350
4983 lb/hr
5267 lb/hr
5132 lb/hr
5832 lb/hr
Question 19
0 / 5 pts
Find V1, VR , V2.
Givens:
Transport Takeoff Chart: Figure 9.19
Pressure Altitude: 5,000 ft
Temperature: 30 deg C
Configuration: Flaps 15
Weight: 300,000 lb
No wind
129, 134, 142
134, 137, 142
136, 141, 148
132, 135, 142
Question 20
0 / 5 pts
Find Descent Time (min) using the profile found on Figure 10.11 from FL350.
21 min
25 min
23 min
