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What are the four basic techniques for measuring work and setting time standards?

Short Answer

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Work measurement is the use of approaches to determine the time required for a competent employee to complete a certain task at a particular performance level.

Step by step solution

01

Work measurement

Work measurement is focused on determining the length of time necessary to complete a unit of the task. Work measurement is critical for increasing an organization’s efficiency. It allows managers to examine other ways as well as to conduct first hiring.

Work measurement serves as the foundation for appropriate planning. A thorough examination of a work, its magnitude, the method applied to do it, as well as its effectiveness. The goal is to establish the workload in an activity, the amount of time necessary, as well as the amount of personnel necessary to do the activity efficiently.

02

The four basic techniques for measuring work and setting time standards

Two direct methods are given below:

a) Time study


Time study, which utilizes a stopped clock to timer the activity, as well as a work sample, that involves capturing randomized views of an individual as well as group at the task, is the direct technique. Time study is an organized technique of directly measuring as well as monitoring human workers with a clocking instrument to determine the necessary time for finishing the project by a competent individual when operating at a set performance level.

b) Work sampling


Work sampling is a research approach in which employees are watched as well as their actions are documented at randomized periods. The obtained information may be transformed into percentages to show the general distribution of how their time has been spent in separate classes. The statistical approach for calculating the amounts of time employees spend in several specified classes of work.

Two indirect methods are given below:

c) Predetermined motion-time data systems (PMTS)

Predetermined motion-time data systems (PMTS), which aggregate data from a table of generalized moving times produced in the experiment to get at a work time, as well as elemental information, that sums periods from a database of comparable mixtures of movements to reach work time, are the two alternative techniques.

The techniques used are determined by the amount of detail sought as well as the type of work themselves. Schedules, as well as preset motion-time analysis of the data, are frequently required for extremely detailed, repetitive work.

The PMTS is a work measuring method that is focused on the breakdown of activity into basic human activities that are categorized depending on the type of every movement as well as the circumstances under which it is performed.

d) Elemental data


When working with fixed-processing- instruments, elemental data are frequently utilized to decrease the requirement for empirical observation. Sampling work is the instrument of choice when activity is infrequency or has a long cycle duration. A truly independent market analysis organization that specializes in information collecting by the internet as well as cellphone.

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Question: How much time on average would a server need to spend on a customer to achieve a service rate of 20 customers per hour?

An assembly line is to operate eight hours per day with the desired output of 240 units per day. The following table contains information on this product’s task times and precedence relationships:

Task

Task Time (seconds)

Immediate predecessor

A

60

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B

80

A

C

20

A

D

50

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90

B,C

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C,D

G

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E,F

H

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G


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Question:Resistors for electronic circuits are manufactured on a high-speed automated machine. The machine is set up to produce a large run of resistors of 1,000 ohms each. To set up the machine and to create a control chart to be used throughout the run, 15 samples were taken with four resistors in each sample. The complete list of samples and their measured values are as follows:

Sample number
Readings

1

1010

991

985

986

2

995

996

1009

994

3

990

1003

1015

1008

4

1015

1020

1009

998

5

1013

1019

1005

993

6

994

1001

994

1005

7

989

992

982

1020

8

1001

986

996

996

9

1006

989

1005

1007

10

992

1007

1006

979

11

996

1006

997

989

12

1019

996

991

1011

13

981

991

989

1003

14

999

993

988

984

15

1013

1002

1005

992

Develop an x-chart and an R-chart and plot the values. From the charts, what comments can you make about the process? (Use three-sigma control limits as in Exhibit 13.7.)

You are planning the new layout for the local branch of the Sixth Ninth Bank. You are considering separate cashier windows for the three different classes of service. Each class of service would be separate with its cashiers and customers. Oddly enough, each class of service, while different, has the same demand and service times. People for one class of service arrive every four minutes, and arrival times are exponentially distributed (The standard deviation is equal to the mean). It takes seven minutes to service each customer, and the standard deviation of the service times is three minutes. You assign two cashiers to each type of service.

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