CDFA Measurement Verification Practice with Complete
Solutions 100% Verified
When is a service agent not required to notify the sealer of an adjustment to a device according
to B&P Code Section 12515? Correct answer-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
Correct answer--20° C to 50° C
-4° F to 122° F
Who would amend NCWM for proposed changes to electric watt hour meter requirements?
Correct answer-Committee on Specifications and Tolerances
What is the purpose of CCR section 4000 in H44 Correct answer-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 Correct answer-
the internal mechanism cannot be accessed without destroying a seal
What is the applied test load for a full load test Correct answer-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 Correct answer-c. 1 cup
,CDFA Measurement Verification Practice with Complete
Solutions 100% Verified
What is the draft size of a 5/8 inch utility water meter? Correct answer-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? Correct answer-1500 gpm x 0.20= 300 gpm
Answer= 300 gpm
The minimum discharge rate for wholesale LPG shall not exceed Correct answer-20 % of
the marked maximum discharge rate
The minimum discharge rate for stationary retail LPG shall not exceed Correct answer-5
gpm
What are the possible units for carbon dioxide liquid measuring devices. Correct answer-
LB or KG
What is the value o f the smallest unit for small delivery carbon dioxide liquid measuring devices
Correct answer-1 lb or 1 kg
What are the units for cryogenic liquid measuring devices Correct answer-kg or lb, liters
or gal at normal boiling point
, CDFA Measurement Verification Practice with Complete
Solutions 100% Verified
AND
m^3 or ft ^3 at normal T and P (70° F and 101° kPa)
Which deals with putting devices into service Correct answer-HB 44
During LPG testing when do you take temperature readings at the meter Correct answer-
at 30% and 70% prover capacity
During LPG testing when do you take temperature readings at the prover Correct answer-
at the end
When do you start the 30 sec timer when draining LPG provers Correct answer-When the
pump changes rpm on dry bottom provers and when liquid reaches the bottom of the sight
glass in wet bottom provers
The EPO does not include standard testing of what? Correct answer-Domestic cold water
meters
What are the inserts in Ch. 1 of the field reference manual that are boxed, outlined and shaded?
Correct answer-They are applicable to the section they are inserted into but not an HB 44
requirement
Solutions 100% Verified
When is a service agent not required to notify the sealer of an adjustment to a device according
to B&P Code Section 12515? Correct answer-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
Correct answer--20° C to 50° C
-4° F to 122° F
Who would amend NCWM for proposed changes to electric watt hour meter requirements?
Correct answer-Committee on Specifications and Tolerances
What is the purpose of CCR section 4000 in H44 Correct answer-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 Correct answer-
the internal mechanism cannot be accessed without destroying a seal
What is the applied test load for a full load test Correct answer-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 Correct answer-c. 1 cup
,CDFA Measurement Verification Practice with Complete
Solutions 100% Verified
What is the draft size of a 5/8 inch utility water meter? Correct answer-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? Correct answer-1500 gpm x 0.20= 300 gpm
Answer= 300 gpm
The minimum discharge rate for wholesale LPG shall not exceed Correct answer-20 % of
the marked maximum discharge rate
The minimum discharge rate for stationary retail LPG shall not exceed Correct answer-5
gpm
What are the possible units for carbon dioxide liquid measuring devices. Correct answer-
LB or KG
What is the value o f the smallest unit for small delivery carbon dioxide liquid measuring devices
Correct answer-1 lb or 1 kg
What are the units for cryogenic liquid measuring devices Correct answer-kg or lb, liters
or gal at normal boiling point
, CDFA Measurement Verification Practice with Complete
Solutions 100% Verified
AND
m^3 or ft ^3 at normal T and P (70° F and 101° kPa)
Which deals with putting devices into service Correct answer-HB 44
During LPG testing when do you take temperature readings at the meter Correct answer-
at 30% and 70% prover capacity
During LPG testing when do you take temperature readings at the prover Correct answer-
at the end
When do you start the 30 sec timer when draining LPG provers Correct answer-When the
pump changes rpm on dry bottom provers and when liquid reaches the bottom of the sight
glass in wet bottom provers
The EPO does not include standard testing of what? Correct answer-Domestic cold water
meters
What are the inserts in Ch. 1 of the field reference manual that are boxed, outlined and shaded?
Correct answer-They are applicable to the section they are inserted into but not an HB 44
requirement
