A/n  __________ is a water storage tank an internal heat exchanger that is serviced by the main boiler.

A. compression tank
B. expansion  tank
C. indirect water storage tank
D. tankless hot water heater


Answer: C

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____ maintenance involves maintaining equipment and keeping facilities in satisfactory operating condition by performing systematic inspections.

a. Preventive b. Emergency c. Overdue d. Hazardous

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Point and edge ____ is done by selecting vertices on the part in the orthogonal views and then locating those vertices on the pictorial by moving along the edges of the part.

A. tracking B. moving C. finding D. anchoring

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Why is back-seating a manual service valve when installing a gauge manifold necessary?

A) So that no gauge ports are opened B) So that there is no pressure on the gauge port C) So that coolant is not lost D) So that the middle leg is opened

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What is the who command used for? Why is this command important in a multiuser system?

What will be an ideal response?

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