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Free articles, Excel templates and calculators on IE, Excel and the garments industry - written from real factory experience.

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Solved IE exam problems: group efficiency, pitch time, throughput time and thread requirement

Two real written-test problems for IE executives, solved step by step: line and group efficiency and performance, pitch time, balancing ratio, throughput time, production achievement and thread cones for an order.

3 min read · 08 Oct 2026
Free tools

Calculators for everyday IE work

Target, efficiency, line balancing, man machine ratio, machine requirement and time study.

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Target & efficiency

Hourly and daily target from SAM, manpower and hours.

Line balancing

Bottleneck, pitch time and balance loss for any line.

Time study

Rating and allowance to standard time and capacity.
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Templates & guides

Excel, PDF and Word files, ready to use. Files marked 🔒 are for members.

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