Which of the following positions is done using a push angle instead of a drag angle?
a. 1G
b. 2G
c. 3G
d. 4G
c
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Engine pre-oiling is recommended for which of these reasons?
A) Helps the rebuilt engine develop power B) Fills the oil passages with oil prior to initial start-up C) Both A and B D) Neither A nor B
Answer the following statement(s) true (T) or false (F)
1. The primary winding of a current transformer must be connected in parallel with the load. 2. When a small amount of AC current must be measured, a CT is connected in the power line. 3. When current transformers are used, the main power line is inserted through the opening in the transformer. 4. To use the clamp-on type of AC ammeter, the jaw of the meter is clamped around all of the conductors supplying power to the load. 5. The ability to change the turns ratio of a clamp-on ammeter can be very useful for measuring low currents.
To provide a tapered hole for a flat head screw, use a:
A) Countersink B) Center drill C) Taper reamer D) Counterbore
In the article “Occurrence and Distribution of Ammonium in Iowa Groundwater”, ammonium concentrations (in mg/L) were measured at a total of 349 alluvial wells in the state of Iowa. The mean concentration was 0.27, the median was 0.10, and the standard deviation was 0.40. If a histogram of these 349 measurements were drawn,
In the article “Occurrence and Distribution of Ammonium in Iowa Groundwater”, ammonium concentrations (in mg/L) were measured at a total of 349 alluvial wells in the state of Iowa. The mean concentration was 0.27, the median was 0.10, and the standard deviation was 0.40. If a histogram of these 349 measurements were drawn, a. it would be skewed to the right. b. it would be skewed to the left. c. it would be approximately symmetric. d. its shape could not be determined without knowing the relative frequencies.