The table gives details of an assembly line Work station I II III IV V VI Total task time at the work station (in minutes) 7 9 7 10 9 6       What is the line efficiency of the assembly line

1.  70%

2.  75%

3.  80%

4.  85 %

View Answer  
4
Correct Answer :

80\%


Explanation :
No Explanation available for this question

A machine of 250 kg mass is supported on springs of total stiffness 100 kN/m. Machine has an unbalanced rotating force of 350 N at speed of 3600 rpm. Assuming a damping factor of 0.15, the value of transmissibility ratio is:

1.  0.0531

2.  0.9922

3.  0.0162

4.    0.0028  

View Answer  
4
Correct Answer :

0.0162


Explanation :
No Explanation available for this question

1.  1 and 25

2.  6 and 4

3.  5 and 1

4.  2 and 10

View Answer  
4
Correct Answer :

1 and 25


Explanation :
No Explanation available for this question

1.  y=3x-5

2.   y=3x+5

3.  3y=x+15

4.  3y=x-15

View Answer  
4
Correct Answer :

y=3x+5


Explanation :
No Explanation available for this question

1.  √3/2+I 1/2

2.  √3/2-I ½

3.  1/2+i√3/2

4.  1/2+i(1-√3/2)

View Answer  
4
Correct Answer :

√3/2+I 1/2


Explanation :
No Explanation available for this question

1.  -1/3

2.   5/18

3.  0

4.  2/5

View Answer  
4
Correct Answer :

5/18


Explanation :
No Explanation available for this question

Match the items in columns I and II. columns I columns II (P) Singular matrix (1) Determinant is not defined (Q) Non-square matrix ( 2 ) Determinant is always one (R) Real symmetric matrix (3) Determinant is zero (S) Orthogonal matrix (4) Eigen values are always real   (5) Eigen values are nto defined

1.  P - 3          Q-1    R-4   S-2

2.  P - 2          Q-3    R-4   S-1

3.  P - 3          Q-2    R-5   S-4

4.  P - 3          Q-4    R-2   S-1

View Answer  
4
Correct Answer :

P - 3          Q-1    R-4   S-2


Explanation :
No Explanation available for this question

Multiplication of matrices E and F is G. Matrices E and G are

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

Consider a continuous random variable with probability density functionf (t) = 1 + t for - 1 ≤ t ≤ 0= 1 -t for 0 ≤ t ≤ 1 The standard deviation of the random variable is:

1.  1/√3

2.  1/√6

3.  1/3

4.   1/6

View Answer  
4
Correct Answer :

1/√6


Explanation :
No Explanation available for this question

Match the items in columns I and II. Column I Column II (P) Addendum (1) Cam (Q) Instantaneous center of velocity (2) Beam (R) Section modulus (3) Linkage (S) Prime circle (4) Gear  

1.  P-4 Q-2   R-3   S-1

2.  P-4Q-3       R-2   S-1

3.  P – 3 Q-2           R - 1 S - 4

4.  P-3     Q-4   R-1   S-2

View Answer  
4
Correct Answer :

P-4Q-3       R-2   S-1


Explanation :
No Explanation available for this question
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