Operations Management and Strategic Management · Production Planning and Control

Types of Production Systems: Job, Batch, Mass and Continuous

Updated 10 October 2026 · Fact-checked

A production system is the way a firm organises its inputs, machines and people to make output. The main types are job, batch, mass and continuous production. To answer a question, match the volume, variety and product flow in the case to the system, then state its features, merits and limits.

Understand Types of Production Systems

A production system is the arrangement through which inputs such as material, labour and machines are converted into goods. The right arrangement depends on two things: how many units you make (volume) and how many different products you make (variety). Volume and variety usually move in opposite directions. High variety means low volume, and the reverse.

Production systems are first split into two groups. Intermittent production makes products in lots or to order, and the facility is not used for one product all the time. Job and batch production fall here. Continuous production keeps the facility making the same product for long periods. Mass and process (continuous flow) production fall here. Many textbooks treat mass production as a type of continuous production because the flow is repetitive and uninterrupted, so state the grouping you are following.

Job production makes one-off or very small orders to a customer's specification, such as a bridge, a ship, a tailor-made suit or a special machine. It needs general-purpose machines and skilled workers. Flexibility is high, but cost per unit is high and scheduling is hard.

Batch production makes a limited quantity of one product, then switches the same facility to another product. Examples are biscuits, garments in a size run, or medicines in lots. It uses general-purpose machines with some set-ups, and the key issue is set-up time and batch size.

Mass production makes a standardised product in large quantities on a repetitive, often line-based layout, such as cars, two-wheelers or electrical appliances. It uses special-purpose machines and gives low unit cost, but it is inflexible and needs heavy investment and steady demand.

Continuous (process) production runs round the clock with a fixed sequence and automatic flow, such as refineries, cement, fertiliser, sugar and power. Output is usually measured by weight or volume, and a breakdown at any stage can stop the whole plant.

How to solve Types of Production Systems questions

Use this method for any question that asks you to identify, compare or justify a production system.

1Read the case and note the product: custom or standard, discrete units or flowing material.
2Note the volume and variety. Low volume with high variety points to job. Medium volume with moderate variety points to batch. High volume with low variety points to mass. Very high volume of a standard product in a flow points to continuous.
3Name the system and, if asked, its group: intermittent (job, batch) or continuous (mass, process).
4List its main characteristics: machines, labour skill, layout, flexibility, inventory and scheduling.
5Give merits and limitations that fit the case, not a generic list.
6If a comparison is asked, use the same points for each system, such as volume, variety, layout, machines, cost per unit and flexibility.
7Close with a one-line conclusion on suitability for the firm in the question.

Quickest way: Volume-variety matching

When to use it: Use it for MCQs and short identification questions where you must name the system from a few clues.

Look for the clue words: 'customer's specification' or 'one-off' means job.
'Lots', 'batches' or 'switching products' means batch.
'Standardised', 'assembly line' or 'large quantity' means mass.
'Round the clock', 'refinery', 'cement', 'chemicals' or 'flow' means continuous.
If two options seem close, choose by variety: higher variety means the system nearer job.

Common mistakes in Types of Production Systems

Calling a firm that makes goods in lots a job producer.
Both make to demand and both use general-purpose machines, so they look alike.
Fix: Ask whether the same product is repeated in a fixed lot. If yes, it is batch. If each order is unique, it is job.
Saying mass production has high flexibility.
Students link large scale with strength and forget the special-purpose machines.
Fix: Remember that mass production trades flexibility for low unit cost. Changing the product is costly.
Mixing up intermittent and continuous systems.
The names sound like they describe time, not product flow.
Fix: Intermittent means lots or orders with changeovers (job, batch). Continuous means long uninterrupted runs of one product.
Giving only definitions in a descriptive answer.
Students stop once the meaning is written.
Fix: Always add characteristics, merits, limitations and suitability. Step marks come from these.
Writing the same merits for every system.
Students memorise one generic list.
Fix: Tie each merit to the system: skilled workers and flexibility for job, lower set-up spread for batch, low unit cost for mass, steady flow for continuous.

Worked examples

Example 1

Sunrise Garments Ltd, Tiruppur, makes 500 shirts of one design and size range, then changes the line to make 800 trousers, and later returns to shirts. Identify the production system and state two merits and two limitations.

Show the solution

The firm makes limited quantities of one product at a time and then switches to another on the same facility.
This repeated lot-wise production with changeovers is batch production, which is an intermittent system.
Merit 1: The same general-purpose machines serve many products, so investment per product is lower than in mass production.
Merit 2: It is more flexible and can respond to changes in demand or design.
Limitation 1: Each switch needs set-up time and cost, so machines sit idle during changeovers.
Limitation 2: Planning of batch sizes, scheduling and work-in-progress inventory is more complex than in mass production.

Answer: The system is batch production. Its merits are lower investment and flexibility. Its limitations are set-up time and cost, and more complex scheduling and inventory.

Example 2

Distinguish between job production and mass production on four points.

Show the solution

Choose clear bases of comparison: product, volume, machines, and cost and flexibility.
Product: job makes a one-off item to customer specification. Mass makes a standardised product for the market.
Volume: job has very low volume with high variety. Mass has high volume with low variety.
Machines and labour: job uses general-purpose machines and skilled workers. Mass uses special-purpose machines and mostly semi-skilled workers.
Cost and flexibility: job has high cost per unit and high flexibility. Mass has low cost per unit and low flexibility.

Answer: Job production is custom, low volume and flexible with higher unit cost and skilled labour. Mass production is standardised, high volume and inflexible with lower unit cost and special-purpose machines.

Exam tips

For 'distinguish' questions, use four to six points in a two-column layout of the same bases for both systems.
In MCQs, find the clue word first, such as 'customer specification' or 'assembly line', before reading the options.
State the grouping of intermittent and continuous systems, and add the examples. Examples earn marks.
In case questions, always link your answer to the firm's volume and variety, then give a short suitability conclusion.

Practice questions from Production Planning and Control

Types of Production Systems: frequently asked questions

What is the difference between job and batch production?

Job production makes a unique, customer-specific order, usually one or very few units. Batch production makes a fixed lot of the same product and then switches to another. Batch has repeated orders and set-ups, while job rarely repeats.

What is the difference between continuous and intermittent production?

Intermittent production works in orders or lots, with changeovers between products. Job and batch are examples. Continuous production runs the same product for long periods without stopping, as in refineries or cement plants.

What are the main characteristics of mass production?

It makes a standardised product in large quantities. It uses special-purpose machines and a line-based layout. It gives low cost per unit but has low flexibility and needs high investment and steady demand.

Is mass production the same as continuous production?

Not exactly. Both run for long periods on a standard product. Mass production usually makes discrete units such as cars, while continuous or process production handles flowing material such as chemicals. Some books group mass under continuous systems.