Before any cutting or welding is performed, what must be available in the work area?
a. An oxygen supply
b. Cleaning rags and solvent
c. Approved fire extinguishers
d. At least one secondary disconnect
c
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Answer the following statements true (T) or false (F)
1) The leading cause of death in the United States of people less than 37 years of age is accidents. 2) Between 1921 and now, the number of accident deaths on the job has increased significantly. 3) Approximately 35,000,000 work hours are lost annually as a result of accidents. 4) Drowning is not a significant cause of death in workplace accidents in the United States. 5) Overexertion is a leading cause of workplace injuries 6) The rate of fatalities across all occupations fluctuates, but the rate of fatalities per year per 100,000 workers holds fairly constant over time.
Technician A says that all 4WD utility vehicles use a solid front drive axle. Technician B says that some 4WD utility vehicles use a solid front drive axle with Cardan U-joints at the axle ends. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
In terms of energy from photosynthesis:
A. ATP, ADP, NADPH and NADP are not involved in photosynthesis, which is the production of glucose. B. ADP is richer than ATP. C. NADP is richer than NADPH. D. NADPH is richer than NADP.
Problem 1.22 The axial load P = 240 kips, supported by a W10 × 45 column, is distributed to a concrete foundation by a square base plate as shown. Determine the size of the base plate for which the average bearing stress on the concrete is 750 psi.
