As coolant temperature increases, the resistance of the typical NTC (Negative Temperature Coefficient) engine coolant temperature sensor:
A. Decreases
B. Increases
C. Does not change
D. None of the above
Answer: A
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The tubing that carries heat-laden refrigerant gas from the evaporator to the compressor is known as the _____.
a. discharge line b. liquid line c. hot gas line d. suction line
If the current is set too high, the electrode covering is discolored more than ____ from the end of the electrode.
A. 1/16 in. to 1/8 in. B. 1/8 in. to 1/4 in. C. 1/4 in. to 1/2 in. D. 1/2 in. to 3/4 in.
A crest vertical curve connects a +4.90% grade and a â1.85% grade. The PVI is at station 77+00.00 at an elevation of 770.00 ft. The design speed is 60 mi/h. Determine: the following below
(a) The length of the vertical curve using the AASHTO method (âKâ factors) (b) The station of the BVC (c) The elevation of the BVC (d) The station of the EVC (e) The elevation of the EVC (f) The station of the high point (g) The elevation of the high point (h) The elevation of station 75+30.00 Also, provide a tabulation showing the elevations at each full station on the curve, including the distance from the BVC for each full station, the elevation on initial tangent, the offset, and the elevation on the vertical curve. This can be in the form of a computer printout from Microsoft Excel or another program. What will be an ideal response?
When working on a hybrid vehicle, which type of meter is recommended?
A) CAT III or CAT IV B) CAT II or CAT III C) CAT I or CAT II D) Any of these is OK