Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN: 9781305494695
Author: Larry Jeffus
Publisher: Cengage Learning
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Chapter 23, Problem 1R
List precautions you must take when welding around workers who are not welders.
Expert Solution & Answer
To determine
The precautions that a person must take when welding around non welder workers.
Explanation of Solution
The precautions that a person must take when welding around non welder workers are as follows.
- Inform and advice the non welder people around to keep away from the arc and the sparks produced.
- Ensure that other people do not touch or come in contact with the cables, hoses and extension cords.
- Keep the work place clean and tidy and ensure no debris and scrap material is left behind after completion of work.
- The non-welder workers must stay away from the fans and the blowers that are used to blow away the fumes of the welding process.
- Ensure that the non welder do not come in contact with the hot surface and objects that may cause burns and injuries.
- The welder person must make use of welding curtains whenever possible.
- The welder must ensure that the fabrication is stable and does not fall.
These are the steps that are necessary to be taken in order to ensure the safety of the people around the welding area who may not be familiar with the welding operation and its effect.
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Students have asked these similar questions
This is an old practice exam question.
Steam enters the high-pressure turbine of a steam power plant that operates on the ideal reheat Rankine cycle at 700 psia and 900°F and leaves as saturated vapor. Steam is then reheated to 800°F before it expands to a pressure of 1 psia. Heat is transferred to the steam in the boiler at a rate of 6 × 104 Btu/s. Steam is cooled in the condenser by the cooling water from a nearby river, which enters the condenser at 45°F. Use steam tables.
NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part.
Determine the pressure at which reheating takes place. Use steam tables.
Find:
The reheat pressure is psia. (P4)Find thermal efficiencyFind m dot
Air at T1 = 24°C, p1 = 1 bar, 50% relative humidity enters an insulated chamber operating at steady state with a mass flow rate of 3 kg/min and mixes with a saturated moist air stream entering at T2 = 7°C, p2 = 1 bar. A single mixed stream exits at T3 = 17°C, p3 = 1 bar. Neglect kinetic and potential energy effects
Determine mass flow rate of the moist air entering at state 2, in kg/min
Determine the relative humidity of the exiting stream.
Determine the rate of entropy production, in kJ/min.K
Chapter 23 Solutions
Welding: Principles and Applications (MindTap Course List)
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