Modern Low Speed Airfoils Online Exam Quiz
Modern Low Speed Airfoils GK Quiz. Question and Answers related to Modern Low Speed Airfoils. MCQ (Multiple Choice Questions with answers about Modern Low Speed Airfoils
___ is a sulfide ore of copper.
Options
A : Chalcocite
B : Cuprite
C : Magnesite
D : Azurite
Is 17% is the thickness of NASA LS-0417 airfoil?
Options
A : TRUE
B : FALSE
C : -
D : -
Is a 50% increase in the ratio of lift to drag at a lift coefficient?
Options
A : TRUE
B : FALSE
C : -
D : -
Is initial distribution is given by solid curves?
Options
A : TRUE
B : FALSE
C : -
D : -
Is pressure coefficient distributions are calculated for flow over an airfoil?
Options
A : TRUE
B : FALSE
C : -
D : -
Is super critical airfoil used to improve the drag at subsonic speed?
Options
A : TRUE
B : FALSE
C : -
D : -
Sulfide ores are typically processed through a technique known as __
Options
A : cathode
B : pyrometallurgy
C : hydrometallurgy
D : zarconsis
Sulfide ores contain around ___ copper.
Options
A : 9 ? 10%
B : 8 ? 12%
C : 4 ? 5%
D : 0.5 ? 2%
The first process in extraction of an element from ore is typically __
Options
A : roasting
B : electrolysis
C : crushing
D : smelting
Which of the following techniques are used in the extraction of copper?
Options
A : Refining, down process
B : Smelting, vacuum pump
C : Roasting, refining
D : Roasting
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