Industrial Ergonomics

Question 1. In evaluating a load/container, which of the following is not a factor to be considered?

Mass

Dimensions of container

Quality of coupling

Pace of task

Question 2. The goal in the NIOSH lifting guide is for all lifting tasks to have a lifting index (LI) less than __________.

0.5

1.0

2.0

3.0

Question 3. According to the 1991 Revised NIOSH Lifting Equation, a handle should be at least __________ cm long.

11.5

13

14.5

16

Question 4. VO2Max stands for maximal oxygen uptake that can be used in 1 minute. The physical workload of __________% VO2Max during a shift is suggested.

20

30

40

50

Question 5. __________ is preferred over other intervention measures.

Engineering control

Administrative control

Personal protective equipment (PPE)

Worker selection

Question 6. Which of the following is not one of the guidelines for lifting of loads?

Reduce the sizes, weights, and forces involved

Keep the object close to the body

Move vertically, not horizontally

Plan all movements and make them smooth

Question 7. Human physical effort is not very efficient with only __________% of effort going toward a given physical exertion. This implies that this percentage of the energy produced during metabolism is consumed into mechanical work.

10

20

30

40

Question 8. Which of the following is not a multiplier used in the revised 1991 NIOSH lifting equation?

AM

BM

CM

DM

Question 9. Which of the following is not a type of administrative control?

Job rotation

Training

Worker selection

PPE

Question 10. Biomechanical methods used to evaluate strains and human capabilities are mainly focused on the __________.

legs

feet

hands

spinal column

Question 11. Compare and contrast the biomechanical, physiological, and psychophysical approaches. Which approach(es) could be used to assess workload associated with MMH in your workplace or another work environment? Explain how the approach(es) would be employed to evaluate the workload.

Question 12. Identify work practice characteristics in your workplace or any another work environment. What types of engineering controls, administrative controls, and personal protective equipment (PPE) are used?