Q. An aircraft wind tunnel model, having a pitch axis mass moment of inertia (Iyy) of 0.014 kg-m2, is mounted in such a manner that it has pure pitching motion about its centre of gravity, where it is supported through a frictionless hinge. If the pitching moment (M) derivative with respect to angle of attack […]
Archegoniophore is present in Option 1 : PapayaOption 2 : CharaOption 3 : FucusOption 4 : Marchantia
Q. The relative velocity of air leaving a straight radial impeller of a centrifugal compressor is 100 m/s. If the impeller tip speed is 200 m/s, for a slip free operation, the absolute velocity (in m/s) at the impeller exit is . Ans: 222.0 to 225.0
Q. An axial compressor rotor with 50 % degree of reaction, operates with an axial velocity of 200 m/s. The absolute flow angle at the inlet of the rotor is 22o with reference to the axial direction. If the axial velocity is assumed to remain constant through the rotor, the magnitude of the relative velocity
Which of the following is/are male gametes? Option 1 : AntherozoidsOption 2 : EggOption 3 : ZygoteOption 4 : Ovum
Q. The components of stress in a body under plane stress condition, in the absence of body forces, is given by: 𝜎𝑥𝑥 = 𝐴𝑥2; 𝜎𝑦𝑦 = 12𝑥2 − 6𝑦2 and 𝜎𝑥𝑦 = 12𝑥𝑦. The coefficient, A, such that the body is under equilibrium is Ans: -6.0 to -6.0
Pre-fertilization events among these are Option 1 : EmbryogenesisOption 2 : SyngamyOption 3 : Formation of zygoteOption 4 : Gametogenesis and gamete transfer
Q. A cantilever beam having a rectangular cross-section of width 60 mm and depth 100 mm, is made of aluminum alloy. The material mechanical properties are: Young’s modulus, E = 73 GPa and ultimate stress, 𝜎𝑢 = 480 MPa. Assuming a factor of safety of 4, the maximum bending moment (in kN-m) that can be
Gametes are generally Option 1 : TriploidOption 2 : HaploidOption 3 : HexaploidOption 4 : Diploid
‘Humans’ are Option 1 : Continuous breederOption 2 : Seasonal breederOption 3 : Both (a) and (b)Option 4 : None of these
