The partial differential equation is a

1.  Linear equation of order 2

2.  Non-linear equation of order 1

3.  Linear equation of order 1

4.  Non-linear equation of order 2

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4
Correct Answer :

Non-linear equation of order 2


Explanation :
No Explanation available for this question

The eigen values of symmetric matrix are all

1.  Complex with non-zero positive imaginary part

2.  Complex with non-zero negative imaginary part

3.  Real

4.  Pure imaginary

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4
Correct Answer :

Real


Explanation :
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Match the CORRECT pairs Numerical Integration Scheme Order of Fitting Polynomial P. Simpson’s 3/8 Rule 1. First Q. Trapezoidal Rule 2. Second R. Simpson’s 1/3 Rule 3. Third  

1.  P-2; Q-1; R-3

2.  P-3; Q-2; R-1

3.  P-1; Q-2; R-3

4.  P-3; Q-1; R-2

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4
Correct Answer :

P-3; Q-1; R-2


Explanation :
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A rod of length L having uniform cross-sectional area A is subjected to a tensile  force P as shown in the figure below. If the Young’s modulus of the material varies linearly from E1 and E2 along the length of the rod, the normal stress  developed at the section-SS is

1.  P/A

2.  P(E1-E2)/A(E1+E2)

3.  PE2/AE1

4.  PE1/AE2

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4
Correct Answer :

P/A


Explanation :
No Explanation available for this question

The threaded bolts A and B of same material and length are subjected to identical  tensile load. If the elastic strain energy stored in bolt A is 4 times that of the bolt B and the mean diameter of bolt A is 12mm, the mean diameter of bolt B in mm is

1.  16

2.  24

3.  36

4.  48

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4
Correct Answer :

24


Explanation :
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A  link  OB  is  rotating  with  a  constant  angular  velocity  of  2  rad/s  in  counter clockwise direction and a block  is  sliding  radially outward on  it with an uniform velocity  of  0.75 m/s with  respect  to  the  rod,  as  shown  in  the  figure  below.  If  OA = 1m, the magnitude of the absolute acceleration of the block at location A in m/s2 is:

1.  3

2.  4

3.  5

4.  6

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4
Correct Answer :

5


Explanation :
No Explanation available for this question

For steady,  fully developed  flow  inside a straight pipe of diameter D, neglecting gravity effects, the pressure drop  p   over a length L and the wall shear stress tw are related by

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
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The pressure, dry bulb  temperature, and  relative humidity of air  in a  room are 1bar,  30ºC  and  70%  respectively.  If  the  saturated  steam  pressure  at  30ºC  is 4.25kPa, the specific humidity of the room air in kg water vapour / kg dry air is

1.  0.0083

2.  0.0101

3.  0.0191

4.  0.0232

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4
Correct Answer :

0.0191


Explanation :
No Explanation available for this question

Consider one-dimensional steady state heat conduction, without heat generation, in  a  plane  wall;  with  boundary  conditions  as  shown  in  the  figure  below.  The conductivity  of  the  wall  is  given  by K=K0+bT;  where K0  and b  are  positive constants and T is temperature As x increases, the temperature gradient  (dT / dx  ) will

1.  Remains constant

2.  Be zero

3.  Increase

4.  Decrease

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4
Correct Answer :

Decrease


Explanation :
No Explanation available for this question

In a rolling process, the state of stress of the material undergoing deformation is

1.  Pure compression

2.  Pure shear

3.  Compression and shear

4.  Tension and shear

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4
Correct Answer :

Compression and shear


Explanation :
No Explanation available for this question
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