ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2020

Instructions

For the following questions answer them individually

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2020 - Question 41


The blade height of axial compressor decreases in axial direction to maintain

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2020 - Question 42


The T joint of steel plates which is subjected to 350 kN load is developed using intermitted 4 double fillet welds of length each of 40 mm at an interval of 100 mm. Allowable shear strength of the weld metal is 100 MPa. Determine the leg length of the weld

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2020 - Question 43


Shaping grey cast iron will produce

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2020 - Question 44


For same tool-work materials and speed, feed and depth of cut, the average cutting temperature will decrease

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2020 - Question 45


Extreme Pressure Additive (EPA)is mixed with cutting fluid for improving its power of

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2020 - Question 46


Equation of the line normal to function $$f(x) = (x - 8)^{\frac {2}{3}} + 1$$ at P(0, 5) is

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2020 - Question 47


The area enclosed between the curves $$y^2 = 4x$$ and $$x^2 = 4y$$ is

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2020 - Question 48


The Laplace transform of $$e^{i5t}$$ where $$i = \sqrt{-1}$$, is

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2020 - Question 49


If $$y = f (x)$$ is the solution of $$\frac{d^2 y}{dx^2} = 0$$, with the boundary conditions y = 5 at x = 0 and $$\frac{dy}{dx} = 2$$ at x = 10, f(15) =

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2020 - Question 50


Given two complex numbers $$z_1 = 5 + (5 \sqrt 3)i$$ and $$z_2 = \frac{2}{\sqrt 3} + (2)i,$$ the argument of $$\frac{z_1}{z_2}$$ in degree is

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