GATE AE topic:flight-mechanics PYQs & Answers — Page 49

Home
GATE
Aerospace Engineering
Topics
topic:flight-mechanics

Questions 481–490 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 49 of 65

To simulate the aerodynamic forces on a cylinder of 1 m diameter due to a uniform air flow of 1 m/s at standard temperature and pressure (STP), low-speed wind tunnel experiments at STP are conducted on a 0.1 m diameter cylinder. The free stream air speed in the wind tunnel experiments should be ______ m/s (round off to the nearest integer).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The power-off glide range for an airplane with a maximum Lift to Drag ratio of 18, when the glide starts at an altitude of 4 km, is ______ km (round off to the nearest integer).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

For an airplane flying in a vertical plane, the angle of attack is 3°, the horizontal and vertical components of velocity in wind axis are 300 km/h and 15.72 km/h, respectively. The pitch attitude of the airplane is ______ degrees (round off to 2 decimal places).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

An airplane is in steady level flight with a true air speed of 50 m/s. The ambient air density and ambient pressure at the flight altitude are 0.91 kg/m

and

N/m

, respectively. At sea level, air density is 1.225 kg/m

and ambient pressure is

N/m

. The equivalent or indicated air speed of the airplane is ______ m/s (round off to 2 decimal places).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

For the complete combustion of 1 mole of ethanol (C

OH), the required number of moles of oxygen is ______.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

One kg of diatomic gas is heated and its temperature increases from 100 K to 600 K. The energy added at constant pressure during this process is 500 kJ. The specific heat at constant volume for the gas is ______ kJ/kgK. (round off to 2 decimal places).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The number of independent elastic constants for a homogeneous isotropic linear elastic material is ______.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

A thin plate with Young’s modulus 210 GPa and Poisson’s ratio 0.3 is loaded as shown in the figure. The change in length along the

-direction is ______ mm (round off to 1 decimal place).

Diagram for Aerospace Engineering question 23

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

For the state of stress shown in the figure, the normal stress,

, on a plane inclined at 45 degrees to the x-axis is ______ MPa (round off to the nearest integer).

Diagram for Aerospace Engineering question 24

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

In the spring-mass system, shown in the figure, mass

kg and the spring stiffness

kN/m. The natural frequency of the system is ______ Hz (round off to the nearest integer).

Diagram for Aerospace Engineering question 25

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE AE topic:flight-mechanics PYQs

Question 16

Question 17

Question 18

Question 19

Question 20

Question 21

Question 22

Question 23

Question 24

Question 25