The steel type most commonly used for framing members (columns and beams) of a steel building is
A) steel type A36 with a yield strength of 36 ksi.
B) steel type A36 with a yield strength of 360 ksi.
C) steel type A992 with a yield strength of 40 ksi.
D) steel type A992 with a yield strength of 50 ksi.
E) none of the above.
D) steel type A992 with a yield strength of 50 ksi.
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Joe is hurt one day on the job and has large medical bills. Joe is unable to work again due to his injuries. To get money needed to pay his bills Joe must:
For 6 months, Joe has worked for the service facility and has been supervised by the manager (told what to do and how to do it). Joe is paid cash at the end of each week and he is not on company payroll. Therefore, taxes are not withheld, such as social security, and he is not on the company insurance, such as the worker compensation policy. Joe does not carry any other insurance such as business insurance. A. See an attorney, the service facility and its managers will likely be legally liable B. Submit a claim to the service facility’s workman compensation insurance company C. Apply for social security benefits D. Pay for rehabilitation so he can get another job
How are kilowatts (kW) converted to Btus?
a. Divide each kW by 3,413 b. Divide each kW by 12,000 c. Multiply each kW by 12,000 d. Multiply each kW by 3,413
When copper is being brazed to steel _____
a. the technique is identical to brazing copper to copper b. more heat is applied to the steel fitting c. a filler metal with a high phosphorus content is best d. a filler metal with a high silver content is used
Class C amplifiers can have efficiencies of
A) close to 75% B) very close to 100% C) better than 50% D) close to 90%