In the dry sand molding, the sand is bonded together with ____.
A. specific moisture
B. clay
C. specially formulated resin
D. both b and c
E. all of the above
Answer: E
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A drawing storage room in an engineering firm measures 24.5 feet by 32.5 feet. What is the area of the floor to the nearest hundredth square meter?
What will be an ideal response?
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In an ohmmeter, what is the other term used for finite resistance?
A. Total resistance B. Open circuit C. Zero resistance D. Closed circuit
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The ripple frequency of a half-wave rectifier is
A) twice the ac input frequency B) equal to the ac input frequency C) one-half the ac input frequency D) zero
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When M coil energizes, all M contacts ____.
A. de-energize B. change position C. stay where they are D. connect in parallel
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