____ additives to concrete are used to maintain a low water/cement ratio in a concrete mix for maximum strength.

A. Hardener
B. Elasticizer
C. Accelerator
D. Superplasticizer


Answer: D

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Technician A says it is necessary to identify any and all non-factory installed electrical accessories when inspecting a vehicle. Technician B says non-factory installed electrical accessories may cause the system to not operate properly. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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To attract new customers, EP Employees Credit Union advertised that they will begin paying 3% interest every quarter on all savings accounts. (Their competitors pay interest every 6 months.) The credit union uses March 31st, June 30th, September 30th, and December 31st as quarterly interest periods. Determine (a) the end-of period totals in the account, and (b) the interest paid each quarter on the total. Assume there are no withdrawals and that quarterly interest is not redeposited.

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NOR gates

A) have more than one output. B) may have more than two inputs. C) can operate as OR gates or . D) All of the above.

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The order of operation for a program scan is ________

A) Read inputs; update input register; check ladder input logic; update outputs; update output register B) Read inputs; check ladder input logic; update input register; update output register; update outputs C) Check ladder input logic; read inputs; update input register; update output register; update outputs D) Read inputs; update input register; check ladder input logic; update output register; update outputs

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