One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 451
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Single-choice question: In production, the noise generated by mechanical rotation, air emissions, as well as impacts and friction from tools is referred to as productive noise or industrial noise. Measures to control noise generated by rotary vane blowers do not include ( ) A. Eliminating or reducing noise and vibration sources B. Replacing stamping with hydraulic forming C. Using isolators to reduce vibration D. Enhancing personal protection and health monitoring. Correct answer: D
D. Strengthen personal protection and health monitoring
In production, the noise generated by mechanical rotation, air emissions, and tool impacts and friction is known as operational noise or industrial noise. Measures to control noise generated by rotary vane blowers do not include ( B ). A. Eliminating or reducing noise and vibration sources; B. Replacing stamping with hydraulic forming; C. Using isolators to reduce vibration; D. Enhancing personal protection and health monitoring
In production, the noise generated by mechanical rotation, air emissions, and tool impacts and friction is known as operational noise or industrial noise. Measures to control noise generated by rotary vane blowers do not include (D). A. Eliminating or reducing noise and vibration sources; B. Replacing stamping with hydraulic forming; C. Using isolators to reduce vibration; D. Enhancing personal protection and health monitoring
D. Strengthen personal protection and health monitoring
In production, the noise generated by mechanical rotation, air emissions, and tool impacts and friction is known as operational noise or industrial noise. Measures to control noise generated by rotary vane blowers do not include (D). A. Eliminating or reducing noise and vibration sources; B. Replacing stamping with hydraulic forming; C. Using isolators to reduce vibration; D. Enhancing personal protection and health monitoring