Aerospace Engineering
2020 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE AE 2020 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 43–45 of 65. Imported answers require review unless explicitly marked reviewed.
Question 33
Open questionAEMCQ2 marksNeeds review
An axial compressor is designed to operate at a rotor speed of 1500 rpm and an inlet station temperature of 300 K. During compressor testing, the inlet station temperature of the compressor measured was 280 K. What should be the rotor speed for the compressor to develop the same performance characteristics during this test as in the design condition?
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 34
Open questionAEMCQ2 marksNeeds review
For the state of stress shown in the figure, which one of the following represents the correct free body diagram showing the maximum shear stress and the associated normal stresses?
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 35
Open questionAENAT2 marksNeeds review
In the equation
,
,
,
, where
is an orthogonal matrix, the sum of the unknowns,
______ (round off to one decimal place).Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer