CDFA MEASUREMENT VERIFICATION
PRACTICE QUESTIONS WITH 100%
CORRECT ANSWERS { GRADED A+}
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
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
During LPG testing when do you take temperature readings at the meter
- ✔✔at 30% and 70% prover capacity
During LPG testing when do you take temperature readings at the prover
- ✔✔at the end
When do you start the 30 sec timer when draining LPG provers -
✔✔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? - ✔✔Domestic
cold water meters
What are the inserts in Ch. 1 of the field reference manual that are
boxed, outlined and shaded? - ✔✔They are applicable to the section
they are inserted into but not an HB 44 requirement
When testing gravimetrically it is important to know - ✔✔Density and
coefficient of expansion
PRACTICE QUESTIONS WITH 100%
CORRECT ANSWERS { GRADED A+}
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
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
During LPG testing when do you take temperature readings at the meter
- ✔✔at 30% and 70% prover capacity
During LPG testing when do you take temperature readings at the prover
- ✔✔at the end
When do you start the 30 sec timer when draining LPG provers -
✔✔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? - ✔✔Domestic
cold water meters
What are the inserts in Ch. 1 of the field reference manual that are
boxed, outlined and shaded? - ✔✔They are applicable to the section
they are inserted into but not an HB 44 requirement
When testing gravimetrically it is important to know - ✔✔Density and
coefficient of expansion
