GATE AE 2018 Paper 1 — page 21

Questions 61–63 of 65. Imported answers require review unless explicitly marked reviewed.

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,

= 480 MPa. Assuming a factor of safety of 4, the maximum bending moment (in kN-m) that can be applied on the beam is ______ (accurate to one decimal place).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The components of stress in a body under plane stress condition, in the absence of body forces, is given by:

;

and

. The coefficient, A, such that the body is under equilibrium is ____ (accurate to one decimal place).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

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 22° with reference to the axial direction. If the axial velocity is assumed to remain constant through the rotor, the magnitude of the relative velocity (in m/s) at the rotor exit is __________ (accurate to one decimal place).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

2018 · Paper 1

Question 51

Question 52

Question 53