Which type of leak detection uses a refrigerant additive charged into the refrigeration system?
A. halide
B. soap bubbles
C. electronic
D. UV leak detection
Answer: D
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Database shadowing techniques are generally used in organizations that do not need immediate data recovery after an incident or disaster.
Answer the following statement true (T) or false (F)
Using Fan Law 1 (shown in the image above), find the new volume of air delivered from a blower if the existing volume is 1,750 cfm, and the blower speed is increased from 850 rpm to 1,000 rpm. (Round your answer to the nearest whole number.)
a. 1,488 cfm b. 2,059 cfm c. 2,400 cfm d. 2,750 cfm
Identify the type of motion, also known as straight-line motion, used for the feed control of some machine tools when it is required for the follower to rise and fall at a uniform rate, and is only used at slow speeds because of the abrupt change at the beginning and end of the motion period.
What will be an ideal response?
Why are fins added to the copper tubing on tube and fin coils?
What will be an ideal response?