Which of the following operation produces highest noise level?

Related Questions

• Which of the following area of work needs lowest noise level?
• Permissible noise level in small conference room is
• The noise level due to auto horn may be of the order of
• The maximum acceptable noise level in offices is
• Which of the following area of work needs highest level of illumination?
• Which of the following industry will usually have the highest concumption of water for processing?
• Which of the following constituent has highest proportion in atmospheric air?
• Which of the following industry will usually have the highest concumption of water for processing?
• In preliminary treatment of sewage, the operation which takes place, is
• Which of the following area of work needs lowest level of illumination?