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CDFA Measurement Verification Practice questions.
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CDFA Measurement Verification Practice questions.
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CDFA Measurement Verification Practicequestions
When is a service agent not required to notify the sealer of an adjustment to a device
according to B&P Code Section 12515?
When the adjustment is only for the purpose of maintaining the device in a zero balance
condition
What is the temperature range of electric metering components if not stated on the device
-20° C to 50° C
-4° F to 122° F
Brainpower
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Who would amend NCWM for proposed changes to electric watt hour meter requirements?
Committee on Specifications and Tolerances
What is the purpose of CCR section 4000 in H44
Commercial weighting and measuring devices shall conform to the latest requirements set
forth in the National Institute of Standards and Technology Handbook 44
The components of an electric meter system shall be designed so that
the internal mechanism cannot be accessed without destroying a seal
What is the applied test load for a full load test
the marked test amperage (TA)
Which are not units of a rigid liquid measure?
a. 1 gill b. 1 1/2 gal c. 1 cup d. 1 liter
c. 1 cup
, What is the draft size of a 5/8 inch utility water meter?
50 gal
If conducting slow flow test on a loading rack meter with maximum marked discharge of
1500 gpm and minimum marked discharge of 300 gpm, the product is diesel fuel, and the
maximum discharge rate that can be developed during the normal test is 1000 gpm, then the
special test must be conducted at?
1500 gpm x 0.20= 300 gpm
Answer= 300 gpm
The minimum discharge rate for wholesale LPG shall not exceed
20 % of the marked maximum discharge rate
The minimum discharge rate for stationary retail LPG shall not exceed
5 gpm
What are the possible units for carbon dioxide liquid measuring devices.
LB or KG
What is the value o f the smallest unit for small delivery carbon dioxide liquid measuring
devices
1 lb or 1 kg
What are the units for cryogenic liquid measuring devices
kg or lb, liters or gal at normal boiling point
AND
m^3 or ft ^3 at normal T and P (70° F and 101° kPa)
Which deals with putting devices into service
HB 44
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