Explore topic-wise MCQs in Aircraft Design.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Aircraft Design knowledge and support exam preparation. Choose a topic below to get started.

1.

Stress and pressure are same.

A. True
B. False
Answer» C.
2.

A column has effective length as 20unit. Determine Euler load of EI = 1000 unit.

A. 24.67 unit
B. 10 unit
C. 40 unit
D. 50.99 unit
Answer» B. 10 unit
3.

Determine the actual length of the column which has slenderness ratio of 2.9 and radius of gyration as 1.6. Consider column is fixed at both ends.

A. 9.28
B. 0.0045
C. 2.3674
D. 4.862
Answer» B. 0.0045
4.

If a column has slenderness ratio of 2.2 and 1.8 as the radius of gyration. Determine effective length of the column.

A. 3.96
B. 8.98
C. 4.5
D. 1.09
Answer» B. 8.98
5.

Column has length of 1.2 m and radius of gyration as 1.5m. Determine slenderness ratio. Consider column is fixed at one end free at other end.

A. 1.6
B. 7.8
C. 98
D. 12.45
Answer» B. 7.8
6.

Column is supported by pin at both the ends and has length of 10 unit. If radius of gyration is 3.16 unit then find slenderness ratio.

A. 3.16
B. 2.13
C. 5.67
D. 0.56
Answer» B. 2.13
7.

How do you define slenderness ratio?

A. Ratio of column’s effective length to c/s radius of gyration
B. Ratio of slender body width to the bluff body height
C. Ratio of lift to drag
D. Ratio of Thrust to weight
Answer» B. Ratio of slender body width to the bluff body height
8.

The highest compression load which will not cause the elastic column buckling is called _________

A. euler load
B. bernoulli’s theorem
C. newtonian fluid
D. divergence
Answer» B. bernoulli’s theorem
9.

Which of the following is correct?a) Radius of gyration K = (I/A)0.5b) Radius of gyration K = (I/A)0.8c) Radius of gyration K = (I/A)*0.2d) Radius of gyration K = (I/

A. Radius of gyration K = (I/A)0.5
B. Radius of gyration K = (I/A)0.8
C. Radius of gyration K = (I/A)*0.2
D. Radius of gyration K = (I/A)*0.8
Answer» B. Radius of gyration K = (I/A)0.8
10.

Find the radius of gyration if, moment of inertia I is 160 unit and 10 unit as area.

A. 4 unit
B. 5 unit
C. 2.3 unit
D. 5.6 unit
Answer» B. 5 unit
11.

A rectangular section has b of 2m and h of 5m. Find centroid coordinates.

A. (1, 2.5)
B. (3, 0)
C. (4, 2)
D. (2, 4.8)
Answer» B. (3, 0)
12.

When we step on an upright soda can, it would fail due to __________

A. crippling
B. bending
C. torsion
D. shearing
Answer» B. bending