The diode is becoming a very popular device for measuring temperature because it is accurate and ____.
a. linear
b. exponential
c. quadratic
d. optical
a. linear
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Technician A says to inspect a suspicious exhaust system when it is warm. Technician B says that dampeners are used with many exhaust systems to reduce vibration. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
To align bolt holes when connecting flanges, use a _____.
a. wraparound b. one-hole pin c. drift pin d. flange nut
Which of the following modifications would alleviate the stress on a compressor in a long-line system?
A) Reducing refrigerant charge B) Using a hard-shutoff TEV at the evaporator C) Removing any compressor crankcase heaters D) Adding a compressor hard-start kit
If the pipe size is 4" what is the fitting allowance for a 45 degree butt weld?
Fill in the blank(s) with the appropriate word(s).