Aircraft Design Practice Test 8

1. The largest load that is expected to be experienced by aircraft is called __________

2. Engine manufacturer has provided the reference value of inlet pressure recovery as 0.94. If actual pressure recovery is found to be 0.91 then, find the thrust loss. Consider C of 1.25.

3. If manufacturer's thrust loss requirement is 3% and engine has mass flow of 20 unit then, determine how much bleed mass flow can be used?

4. Determine the value of stress produced if body is subjected to a force of hundred Newton and cross sectional area of 10 m².

5. Determine Flat plate skin friction coefficient if Reynolds number is 123500. Consider flow to be laminar.

6. What is the limitation of current engine design?

7. Propulsive efficiency is defined as _____________

8. Air loads are loads typically experienced by an aircraft during flight in air.

9. Let us consider the ambient air temperature is 25°C and aircraft has Mach number of 1.5. Find the stagnation temperature.

10. Turbofan engine uses a large fan at inlet to ________