# A slot is to be milled centrally on a block with a dimension of 40 ± 0.05 mm. A milling cutter of 20 mm width is located with reference to the side of the block within ± 0.02 mm. The maximum offset in mm between the centerlines of the slot and the block is

1.  ± 0.070

2.   0.070

3.  ± 0.020

4.  0.045

4

± 0.020

Explanation :
No Explanation available for this question

# In finish machining of an island on a casting with CNC milling machine, an end mill with 10 mm diameter is employed. The corner points of the island are represented by (0,0), (0,30), (50,30) and (50,0). By applying cutter radius right compensation, the trajectory of the cutter will be

1.  (-5,0), (-5,35), (55,35), (55,-5), (-5,-5)

2.  (0,-5), (55,-5), (55,35), (-5,35), (-5,-5)

3.  (5,5), (5,25), (45,25), (45,5), (5,5)

4.  (5,5), (45,5), (45,25), (5,25), (5,5)

4

(0,-5), (55,-5), (55,35), (-5,35), (-5,-5)

Explanation :
No Explanation available for this question

# . In a single server infinite population queuing model, arrivals follow a Poisson distribution with mean X = 4 per hour. The service times are exponential with mean service time equal to 12 minutes. The expected length of the queue will be

1.   4

2.  3.2

3.   1.25

4.  5

4

3.2

Explanation :
No Explanation available for this question

# In a time series forecasting model, the demand for five time periods was 10, 13, 15, 18 and 22. A linear regression fit resulted in an equation F = 6.9 + 2.9 t where F is the forecast for period t. The sum of absolute deviations for the five data is:

1.  2.2

2.  0.2

3.  -1.2

4.  24.3

4

2.2

Explanation :
No Explanation available for this question

1.  π

2.  3

3.  ∞

4.  1

4

3

Explanation :
No Explanation available for this question

# (s+1)-2is the laplace transform of

1.  t2

2.  t3

3.  e-2t

4.  te-t0←0

4

te-t0←0

Explanation :
No Explanation available for this question

# The magnitude of the gradient of the function f = xyz3 a t (1,0,2) is:

1.  0

2.  3

3.  8

4.  ∞

4

8

Explanation :
No Explanation available for this question

1.  2x2

2.  √x

3.  0

4.  1

4

2x2

Explanation :
No Explanation available for this question

# The probability that two friends share the same birth-month is

1.  1/6

2.  1/12

3.  1/144

4.  1/24

4

1/12

Explanation :
No Explanation available for this question

1.  7 m/s2

2.  50 m/s2

3.  25 m/s2

4.  10 m/s2

4