A cycle consisting of two reversible isothermal processes and two reversible isobaric processes is known as

1.  Atkinson cycle

2.  Stirling cycle

3.  Brayton cycle

4.  Ericsson cycle

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4
Correct Answer :

Ericsson cycle


Explanation :
No Explanation available for this question

The solution to the differential equation f" (x) + 4f (x) + 4f(x) = 0is

1.  f1(x) = e-2x

2.  f1(x) = e2x, f2(x) = e-2x

3.   f1(x) = e-2x, f2(x) = e-2x

4.  f1(x) = e-2x, f2(x) = e-x

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4
Correct Answer :

f1(x) = e-2x, f2(x) = e-2x


Explanation :
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In flow through a pipe, transition from laminar to turbulent flow doer, not depend on

1.  Velocity of the fluid

2.  Density of the fluid

3.  Diameter of the pipe

4.    Length of the pipe

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4
Correct Answer :

Diameter of the pipe


Explanation :
No Explanation available for this question

In the following FORTRAN statements, what is the value of X at exit                                                      X = 1                                              DO101 =1, 3, 2                                               10 Continue

1.    3

2.  5

3.  19

4.   101

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4
Correct Answer :

19


Explanation :
No Explanation available for this question

For a given heat flow and for the same thickness, the temperature drop across the material will be maximum for

1.  Copper

2.  Steel

3.  glass-wool

4.  Refractory brick

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4
Correct Answer :

glass-wool


Explanation :
No Explanation available for this question

A stop watch time study on an operator with a performance rating of 120 yielded a time of 2 minutes. If allowances of 10% of the total available time are to be given, the standard rime of the operation is

1.  2 minutes

2.  2.4 minutes

3.  2.64 minutes

4.  2.67 minutes

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4
Correct Answer :

2.64 minutes


Explanation :
No Explanation available for this question

The force F needed to support the liquid of density d and the vessel on top

1.  gd[ha-(H-h)A]

2.  gdHA

3.  GdHa

4.  Gd(H-h) A

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4
Correct Answer :

gdHA


Explanation :
No Explanation available for this question

The velocity components in the x and y directions are given by µ=λxy3-x22,   v=xy2-3/y4 The value of X for a possible flow field involving an incompressible fluid is

1.  -3/4

2.   -4/3

3.   4/3

4.  3

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4
Correct Answer :

3


Explanation :
No Explanation available for this question

One kilo mole of an ideal gas is throttled from an initial pressure of 0.5 MPa to 0.1 MPa. The initial temperature is 300 K. The entropy change of the universe is

1.  13.38 kJ/K

2.  401.3 kJ/K

3.  0.0446 kJ/K

4.  -0.0446 kJ/K

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4
Correct Answer :

13.38 kJ/K


Explanation :
No Explanation available for this question

The dimension of surface tension is:

1.  ML-1

2.  L2T-1

3.  ML-1T1

4.  MT-2  

View Answer  
4
Correct Answer :

MT-2  


Explanation :
No Explanation available for this question
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