[Download PDF] ISRO Scientist or Engineer Mechanical May 2017 Paper with Solutions

Instructions

For the following questions answer them individually

Question 21

In which of the following type of gear train, the first gear and last gear are co-axial.

Video Solution

Question 22

For heat transfer across a composite slab with materials having different thermal conductivity, study the following statements.
I. Temperature is continuous always.
II. Temperature gradient is not continuous.
III. Heat flow is not continuous.

Video Solution

Question 23

Which of the following treatment does not improve hardness?

Video Solution

Question 24

The ratio of the height of a porter governor (when the length of arms and links are equal) to the height of watt governor is: (m: mass of the ball; M : mass of the sleeve)

Video Solution

Question 25

For a specified inlet and outlet temperatures, for which kind of heat exchanger will the log mean temperature difference, $$\triangle T_{lm}$$ will be highest?

Video Solution

Question 26

Fatigue strength for non-ferrous materials is usually defined at —————— stress cycles.

Video Solution

Question 27

If $$A = \begin{bmatrix}9 & 6 \\8 & 7 \end{bmatrix}$$ then $$det(A^{99} - A^{98})$$ is

Video Solution

Question 28

$$\lim_{\theta \rightarrow \frac{\pi}{2}}\frac{\log \left(\theta - \frac{\pi}{2}\right)}{\tan \theta}$$ is

Video Solution

Question 29

The solution of ODE $$y dx + x dy = 0$$ is

Video Solution

Question 30

If $$\phi$$ is a scalar point function, the value of curl Grad $$\phi$$ is

Video Solution

CAT Content

ISRO Scientist or Engineer Mechanical May 2017

ISRO Scientist or Engineer Mechanical May 2017

In which of the following type of gear train, the first gear and last gear are co-axial.

For heat transfer across a composite slab with materials having different thermal conductivity, study the following statements. I. Temperature is continuous always.II. Temperature gradient is not continuous.III. Heat flow is not continuous.

Which of the following treatment does not improve hardness?

The ratio of the height of a porter governor (when the length of arms and links are equal) to the height of watt governor is: (m: mass of the ball; M : mass of the sleeve)

For a specified inlet and outlet temperatures, for which kind of heat exchanger will the log mean temperature difference, $$\triangle T_{lm}$$ will be highest?

Fatigue strength for non-ferrous materials is usually defined at —————— stress cycles.

If $$A = \begin{bmatrix}9 & 6 \\8 & 7 \end{bmatrix}$$ then $$det(A^{99} - A^{98})$$ is

$$\lim_{\theta \rightarrow \frac{\pi}{2}}\frac{\log \left(\theta - \frac{\pi}{2}\right)}{\tan \theta}$$ is

The solution of ODE $$y dx + x dy = 0$$ is

If $$\phi$$ is a scalar point function, the value of curl Grad $$\phi$$ is

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For heat transfer across a composite slab with materials having different thermal conductivity, study the following statements.
I. Temperature is continuous always.
II. Temperature gradient is not continuous.
III. Heat flow is not continuous.