Top 150+ Solved Railways, Airports, Docks and Harbour Engineering MCQ Questions Answer
Q. Following graph represents
a. graphical method to find mac
b. graphical method to produce drag
c. graphical method to find lift
d. graphical method to find lift-curve
Q. For wing to be lofted as shown in below figure, what will be the approximated value of MAC?
a. 8m from l.e.
b. 8m from t.e.
c. 12m from l.e.
d. 12m from t.e.
Q. If wing has MAC of 8m then, what will be the location of aerodynamic centre?
a. 2m from l.e.
b. 2m from t.e.
c. at l.e.
d. at t.e.
Q. Which of the following is correct in terms of the wing layout with twist?
a. incidence at each span station must be considered and chord should be rotated accordingly
b. only untwist airfoils can be used for layout
c. only rotation of chord line is required at c/6 points
d. only chord line should be rotated by reducing length of chord
Q. Which of the following is correct?
a. generally, tip airfoils are selected for stall characteristics
b. always root airfoils are elected for stall characteristics
c. wing twist will increase thrust by engine
d. wing twist is not considered for layout
Q. In linear interpolation method, new airfoil is created as
a. weighted average of root and tip airfoil
b. heavier than the root airfoil always
c. higher chord than root always
d. lower chord than tip always
Q. Which of the following can be considered as inland water transportation?
a. transportation by river
b. transportation by culvert
c. transportation on bridge
d. transportation by barrage
Q. Which of the following can act as an advantage of water transportation?
a. tides
b. less development
c. costly mode of transportation
d. cheap mode of transportation