In a CNC program block, N002 G02 G91 X40 Z40..., G02 AND G91 refer to

1.  circular interpolation in counterclockwise direction and incremental dimension

2.  Circular interpolation in counterclockwise direction and absolute dimension

3.  Circular interpolation in clockwise direction and incremental dimension

4.   Circular interpolation in clockwise direction and absolute dimension

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4
Correct Answer :

Circular interpolation in clockwise direction and incremental dimension


Explanation :
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The demand and forecast for February are 12000 and 10275, respectively. Using single exponential smoothening method (smoothening coefficient = 0.25), forecast for the month of March is

1.   431

2.  9587

3.  10706

4.  11000

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4
Correct Answer :

10706


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Little's law is relationship between

1.  Stock level and lead time in an inventory system

2.  Waiting time and length of the queue in a queuing system

3.  Number of machines and job due dates in a scheduling problem

4.  Uncertainty in the activity time and project completion time

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4
Correct Answer :

Waiting time and length of the queue in a queuing system


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Vehicle manufacturing assembly line is an example of

1.   product layout

2.  process layout

3.  manual layout

4.  fixed layout

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4
Correct Answer :

product layout


Explanation :
No Explanation available for this question

Simplex method of solving linear programming problem uses

1.  all the points in the feasible region

2.  only the corner points of the feasible region

3.  intermediate points within the infeasible region

4.   only the interior points in the feasible region.

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4
Correct Answer :

all the points in the feasible region


Explanation :
No Explanation available for this question

Torque exerted on a flywheel over a cycle is listed in the table. Flywheel energy (in J per unit cycle) using Simpson's rule is Angle (degree) 0 60 120 180 240 300 360 Torque (Nm) 0 1066 -323 0 323 -355 0  

1.  542

2.  993

3.  1444

4.  1986

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4
Correct Answer :

993


Explanation :
No Explanation available for this question

The Laplace Transform of a function f(t)=1/(s2(s+1)). The f(t) is

1.   t-1+e-t 

2.  t+1+e-t

3.  -1+e-t

4.  2t+e-t

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4
Correct Answer :

 t-1+e-t 


Explanation :
No Explanation available for this question

A box contains 2 washers, 3 nuts and 4 bolts. Items are drawn from the box at random one at a time without replacement. The probability of drawing 2 washers first followed by 3 nuts and subsequently the 4 bolts is:

1.  2/315

2.  1/630

3.  1/1260

4.  1/2520

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4
Correct Answer :

1/1260


Explanation :
No Explanation available for this question

A band brake having band-width of 80 mm, drum diameter of 250 mm, coefficient of friction of 0.25 and angle of wrap of 270 degrees is required to exert a friction torque of 1000N-m. The maximum tension (in kN) developed in the band is:

1.  1.88

2.  3.56

3.  6.12

4.  11.56

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4
Correct Answer :

11.56


Explanation :
No Explanation available for this question

For the epicyclic gear arrangement shown in the figure, ω2 = 100rad/s clockwise (CW) and ωarm= 80 rad/s counter clockwise (CCW). The angular velocity ωs(in rad/s) is

1.   0

2.  70CW 

3.  140 CCW

4.  140 CW

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4
Correct Answer :

140 CCW


Explanation :
No Explanation available for this question
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