ASCI 309 1.2 Quiz

docx

School

Embry-Riddle Aeronautical University *

*We aren’t endorsed by this school

Course

309

Subject

Mechanical Engineering

Date

Feb 20, 2024

Type

docx

Pages

8

Uploaded by donj933

Report
Score for this quiz: 100 out of 100 Submitted Jan 13 at 10:58am This attempt took 72 minutes. Question 1 10/ 10 pts On a takeoff roll, which of the Newton’s laws of motion apply? (An airplane is starting on the runway at zero ground speed and thrust is added and the airplane accelerates and then takes off after gaining enough speed to create lift). [_corect TN
Question 2 10/ 10 pts In straight-and-level accelerated flight drag s less than ht m thrust is greater than drag. Question 3 10/ 10 pts Find the horsepower of an aircraft that produces 5,000 Ibs of thrust at 200 KTAS. 3,077 HP 1000 HP
Question 4 10/ 10 pts Find the potential energy (ft-Ib) of an aircraft weighing 20,000 Ibs at 5,000 ft true altitude and 200 KTS true air speed. EEED - oaone
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
  • Access to all documents
  • Unlimited textbook solutions
  • 24/7 expert homework help
Question 5 10/ 10 pts What is the time of the takeoff roll (s)? Given information: Use"g"=32.2ft/s? 1knot=1.69ft/s Gross Weight = 20,000 pounds Lift Off Speed = 125 KTAS Average Drag = 2,000 pounds Average Friction Force = 400 pounds Average Thrust = 10,000 pounds Ep oo
Question 6 10/ 10 pts An increase in humidity =1 both B and C above Question 7 10/ 10 pts An increase in pressure A) increases the density of the air.
Question 8 Find the pressure ratio for at cruising altitude. Given information: Barometric Altimeter setting 29.42 in. Hg Cruising Indicated Altitude: 9,500 ft Outside Air Temperature at altitude 13.34 deg F Atmosphere Table 2.1 0.6877 10/ 10 pts
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
  • Access to all documents
  • Unlimited textbook solutions
  • 24/7 expert homework help
Question 9 Find the pressure altitude at cruising altitude. Given information: Barometric Altimeter setting = 30.42 in. Hg Cruising Indicated Altitude = 20,500 ft Outside Air Temperature at altitude = -22.32 deg F Atmosphere Table 2.1 20,000 ft 10/ 10 pts
Question 10 10/ 10 pts What is the density of the air (slugs/ft?) at 10,000 ft on a standard day? m 0001755 Quiz Score: 100 out of 100