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- Question 1 of 15
The system of equations for the variables x and y ax + by = e and cx + dy = f has unique solution only ifCorrectIncorrect
- Question 2 of 15
A linear mass spring dashpot system is over damped. In free vibration this system undergoesCorrectIncorrect
- Question 3 of 15
A cantilever with thin walled channel cross section is subjected to a lateral force at its shear center.The cantilever undergoesCorrectIncorrect
- Question 4 of 15
The two non zero principal stresses at a point in thin plate are p1 = 25MPa and p2 = -25MPa.The maximum shear stress (in Mpa) at this point isCorrectIncorrect
- Question 5 of 15
For constant free stream velocity and density a change in lift for a large aspect ratio straight wing with thin cambered air foil section at small angles of attack leads toCorrectIncorrect
- Question 6 of 15
Which one of the following modes of a stable aircraft has non oscillatory response characteristics?CorrectIncorrect
- Question 7 of 15
As a candidate of vertical tail which of the following airfoils section is appropriateCorrectIncorrect
- Question 8 of 15
The primary purpose of a trailing edge flap is toCorrectIncorrect
- Question 9 of 15
Which of the following aero engines has the highest propulsive efficiency?CorrectIncorrect
- Question 10 of 15
The stoichiometric fuel to air ratio in an aircraft engine combustor varies with the compressor pressure ratio as followsCorrectIncorrect
- Question 11 of 15
A rocket engine produces a total impulse of 112KN.s in a burn time period of 3.5 mins with a propellant mass flow rate of .25kg/s.The effective exhaust velocity (in m/s) of gas ejecting from engine isCorrectIncorrect
- Question 12 of 15
The function y = x to the power 3 – x hasCorrectIncorrect
- Question 13 of 15
A .5KG mass is suspended vertically from a point fixed on the earth by a spring having a stiffness of 5N/mm.The static displacement of mass in mm isCorrectIncorrect
- Question 14 of 15
The percentage change in the lift off distance for a 20% increase in aircraft weight isCorrectIncorrect
- Question 15 of 15
Consider a mono plane wing and a biplane wing with identical airfoil sections wingspan and incidence angle in identical conditions in a wind tunnel.As compared to monoplane the biplane experienceCorrectIncorrect