1. 8.16 What must be done immediately before taking temperatures using a portable electronic thermometer?1) a. Set the temperature range selector. 2) b. Earth (ground) the unit, after opening the gauge hatch or vapour control valve 3) c. Check the battery for low voltage 4) d. Earth (ground) the unit, before opening the gauge hatch or vapour control valve
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2. 8.10 To what increment should the display of a portable electronic thermometer be capable of reading?1) a. 0.5 °F or °C 2) b. 0.1 °F or °C 3) c. 1.0 °F or °C 4) d. 0.25 °F or °C
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3. 8.44 When using a liquid-in-glass thermometer in a cup-case assembly to measure a product with density of 904 kg/m3 [API gravity 24.9] what is the minimum length of time the thermometer should be immersed in the liquid when the assembly is in motion during the measurement process?1) a. 5 minutes 2) b. 10 minutes 3) c. 20 minutes 4) d. Until the readout doesn t vary by more than 0.2 °C for 30 seconds
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4. 8.51 The immersion time for a cup-case assembly is minimized by continually raising and lowering the assembly 0.3m [1 foot] above and below the desired temperature measurement point.1) a. True 2) b. False 3) c. 4) d.
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5. 8.41 A liquid-in-glass thermometer must be verified against a thermometer traceable to a national standard when new and then at maximum intervals of?1) a. 3 months 2) b. 6 months 3) c. 1 year 4) d. 5 years
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