Question: A 250-V, 4-pole, wave-wound d.c. series motor has 782 conductors on itsarmature. It has armature and series field resistance of 0.75 ohm. The motor takesa current of 40 A. Estimate its speed and gross torque developed if it has a flux per pole of 25 mWb Answer: Step 1 Mechanical Engineering homework question answer, step 1, image 1 Mechanical Engineering homework question answer, step 1, image 2 Step 2 Mechanical Engineering homework question answer, step 2, image 1 Step 3 Mechanical Engineering homework question answer, step 3, image 1

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As we know complexity weights table:-

Functional Units	Low	Average	High
External Input (EI)	3	4	6
External Output (EO)	4	5	7
External Enquiries (EQ)	3	4	6
Internal Logical Files (ILF)	7	10	15
External Interface Files (EIF)	5	7	10

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Functional units is the part of Function point which is also called adjusted function point.

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Steps for Calculating adjusted function point count:-

Step-1:- Each function point is rank according to complexity that is low, average and high. For each type of complexity there exist predefined weights as shown above table.

Step-2:- Calculate unadjusted function point (UFP) by multiplying each functional unit by its corresponding wieight factor.

where, i = row, j = column, Z = functional point and w = weight.

Step-3:-

Adjusted Function Point (FP) = UFP (Unadjusted Function Point) X CAF (Complexity Adjustment Factor)

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So calculate unadjusted function point and adjusted function pont count:-

10 low external input = 10 * 3 (low value of external input is 3 from above table).

12 high external output = 12 * 7

20 low internal logical files = 20 * 7

15 high external interface files = 15 * 10

12 average external enquiries = 12 * 4

Unadjusted Function Point (UFP) = 10 * 3 + 12 * 7 + 20 * 7 + 15 * 10 + 12 * 4

Unadjusted Function Point (UFP) = 30 + 84 + 140 + 150 + 48

Unadjusted Function Point (UFP) = 452

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Adjusted Function Point (FP) = UFP * CAF

Adjusted Function Point (FP) = 452 * 1.10 [ complexity adjustment factor of 1.10 is given]

Adjusted Function Point (FP) = 497.2

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Unadjusted function point is 452 and adjusted function point is 497.2 .