What are the upper and lower limits of the shaft represented by 60 fB Use the following data Diameter 60 lies in the diameter step of 50-80mm Fundamental tolerance unit, I, in µm=0.45D1/3+0.001D, Where D is the representative size in mm: Tolerance value for IT8=25i. Fundament al deviation for ‘f’ shaft =-5.5D0.41

1.  Lower limit = 59.924mm, Upper Limit = 59.970mm

2.  Lower limit = 59.954mm, Upper Limit = 60.000mm

3.  Lower limit = 59.970mm, Upper Limit = 60.016mm

4.  Lower limit = 60.000mm, Upper Limit = 60.046mm

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4
Correct Answer :

Lower limit = 59.924mm, Upper Limit = 59.970mm


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the matrix[M]=[M]4. The value of x is given by

1.  -4/5

2.  -3/5

3.  3/5

4.  4/5

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4
Correct Answer :

-4/5


Explanation :
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1.  7

2.   4

3.  3

4.  0

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4
Correct Answer :

3


Explanation :
No Explanation available for this question

1.  1+et

2.  1-et

3.  1-e-t

4.  1+e-t

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4
Correct Answer :

1-e-t


Explanation :
No Explanation available for this question

The velocity profile of a fully developed laminar flow in a straight circular pipe, as shown  constant.  The average velocity of fluid in the pipe is:

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
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A solid shaft of diameter, d and length L is fixed at both the ends. A torque, T0 is applied at a distance, L/4 from the left end as shown in the figure given below The maximum shear stress in the shaft is

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
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Which of  the following forecasting methods takes a fraction of forecast error into account for the next period forecast 

1.  simple average method

2.  moving average method

3.  weighted moving average method

4.  exponential smoothening method

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4
Correct Answer :

exponential smoothening method


Explanation :
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A solid circular shaft of diameter d is subjected to a combined bending moment M and torque, T. The material property to be used for designing the shaft using the relationis

1.  ultimate tensile strength (Su)

2.  tensile yield strength (Sy)

3.  torsional yield strength (Ssy)

4.  endurance strength (Se)

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4
Correct Answer :

torsional yield strength (Ssy)


Explanation :
No Explanation available for this question

In the Taylor series expansion of e« about x = 2, the coefficient of (x – 2)4 is

1.  ¼!

2.  24/4!

3.  e2/4!

4.  e4/4!

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4
Correct Answer :

e2/4!


Explanation :
No Explanation available for this question

Given that x + 3x = 0, and x(0) = 1, x (0) = 0, what is x(1)

1.  -0.99

2.  -0.16

3.  0.16

4.  0.99

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4
Correct Answer :

-0.16


Explanation :
No Explanation available for this question
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