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Determine the corrections or otherwise of the following assertion and reason : Assertion : Most of the wings are using cambered airfoils. Reason: Cambered airfoils can produce positive lift at 0° AOA. and are true and is the correct reason for b) Both and are true but is not the correct reason for c) is true but is false d) is false but is true

Correct Answer: and reason : Assertion : Most of the wings are using cambered airfoils. Reason: Cambered airfoils can produce positive lift at 0° AOA. ] Both and are true and is the correct reason for
Wings generally uses cambered airfoils. The camber airfoil is used to provide positive lift even at zero angle of attack. Also, it improves flow characteristics.

Determine the corrections or otherwise of the following assertion and reason : Assertion : Most of the tails are using symmetric airfoils. Reason: Tail control has two primary control surface. and are true and is the correct reason for b) Both and are true but is not the correct reason for c) is true but is false d) is false but is true

Determine the corrections or otherwise of the following assertion and reason : Assertion : Most of the airfoils are built with blunt trailing edge having very small finite thickness. Reason: Perfect sharp trailing edge is difficult to build. and are true and is the correct reason for b) Both and are true but is not the correct reason for c) is true but is false d) is false but is true

Determine the corrections or otherwise of the following Assertion and Reason : Assertion : For longitudinal static stability of an aircraft, slope of moment curve should be negative. Reason: Positive slope will result in more static stability than negative slope. Hence, slope should be positive always. and are true and is the correct reason for b) Both and are true but is not the correct reason for c) is true but is false d) is false but is true

True breeding Drosophila flies with curved wings and dark bodies were mated with true breeding short wings and tan body Drosophila, The F1 progeny was observed to be with curved wings and tan body. The F1 progeny was again allowed to breed and produced flies of the following phenotype, 45 curved wings tan body, 15 short wings tan body, 16 curved wings dark body and, 6 short wings dark body. The mode of inheritance is

Determine the corrections or otherwise of the following assertion and reason : Assertion : In modern A/C, we generally do not use spline lofting. Reason: Spline lofting is drawn through connecting different known points via spline line. and are true and is the correct reason for b) Both and are true but is not the correct reason for c) Both and are false d) is false but is true

Determine the corrections or otherwise of the following Assertion and Reason : Assertion : Typically, gun should be located away from the cockpit. Reason : Gun can induce sudden yawing. and are true and is the correct reason for b) Both and are true but is not the correct reason for c) is true but is false d) is false but is true

Determine the corrections or otherwise of the following Assertion and Reason : Assertion : Total fuel CG is located near to the aircraft CG. Reason: Fuel can be located at centre, at tip or at tail. and are true and is the correct reason for b) Both and are true but is not the correct reason for c) is true but is false d) is false but is true

Determine the corrections or otherwise of the following assertion and reason : Assertion : In general, wing twist should not be more than 6°. Reason: Wing twist is used to improve stall properties at tip. and are true and is the correct reason for b) Both and are true but is not the correct reason for c) is true but is false d) is false but is true

Determine the corrections or otherwise of the following assertion and reason : Assertion : Aerobatic prop aircraft has much higher power loading. Reason: Power loading of prop aircraft is ratio of power to the weight of the aircraft. and are true and is the correct reason for b) Both and are true but is not the correct reason for c) Both and are false d) is false but is true

Determine the corrections or otherwise of the following assertion and reason : Assertion : Typically control surface are tapered with same taper ratio as primary component such as wing or tail Reason: Control surface is used to provide trim control to the A/C and are true and is the correct reason for b) Both and are true but is not the correct reason for c) Both and are false d) is false but is true