(g) Quiz on Quality Assurance

Choose the most correct answer by circling the letter.


A polarimeter is used to measure:

    a. color


    b. pH


    c. specific gravity


    d. optical rotation


A refractometer measures solids on the basis of:

    a. color


    b. angle of refraction


    c. purity


    d. temperature


Which of the following instruments would be used to measure the color of a sugar solution?

    a. refractometer


    b. pH meter


    c. spectrophotometer


    d. polarimeter


What value does a Certificate of Analysis provide to a customer.

    a. it tells the customer what tests to run on the product


    b. it assures the customer that the product has been tested and that it meets the specification


    c. it tells the customer where the sugar was grown


    d. none of the above


The basic premise of a spectrophotometer is to:

    a. measure the angle of refraction


    b. measure the density of a sugar solution


    c. measure the angular rotation of polarized light


    d. measure absorption of light at certain wavelengths


Measuring the true sucrose in blackstrap (final) molasses by polarimeter is difficult because:

    a. the density is high


    b. the viscosity is high


    c. many optically-active sugars are present


    d. the ash is high


The method of choice for measuring moisture in granulated sugar is:


    a. vacuum oven (70°C, 28” vacuum, 16 hours)


    b. forced air oven (105°C, 3 hours)


    c. Spindle brix d. refractometer


What is purity?


    a. % solids


    b. % sucrose, wet basis


    c. 100 – ash


    d. % sucrose, dry basis


Histograms are valuable statistical tools that tell us:

    a. the average results


    b. dispersion around the average


    c. normal/non-normal distribution


    d. all of the above

10. A Capability Index (CpK) tells us:

    a. if our process can reliably produce a product within a set of specifications


    b. if the process distribution is non-normal


    c. the average results of a process


    d. if the test results are outside the specification limits


How many tests must be run before a “true” answer is determined?

    a. it depends


    b. seven


    c. twelve


    d. one


A handy statistical tool used to classify product defects by frequency is a(n):


    a. histogram


    b. range chart


    c. x-bar chart


    d. Pareto chart


The role of a laboratory in a sugar refinery is:


    a. to be an independent advisor to management


    b. to measure and report key performance indicators


    c. to be a technical resource to customers


    d. all of the above


From an environmental standpoint, sugar refineries are considered to be major sources of:


    a. particulate emissions


    b. volatile organic chemicals


    c. BOD (Biochemical Oxygen Demand)


    d. both a and b


Universal wastes are those wastes that:


    a. can be hazardous, but qualify for reduced handling and recordkeeping


    b. are ignitable


    c. are corrosive


    d. both b. and c.


If audited by an environmental agency, you may:


    a. be present during the inspection


    b. request copies of all recording (video, still pictures, samples, etc.)


    c. require the inspector to compy with all company safety regulations


    d. all of the above


Is it possible for citizens to sue a company directly for non-compliance with provisions of environmental permits?


    a. yes


    b. no


Are citizens entitled to view your permits, and compliance history? s


    a. yes, but they must be represented by an attorney


    b. no


    c. yes, permits and reports are public records d. it depend


Does a company have the right to refuse access to an inspector?


    a. yes


    b. no


Who is responsible for the proper disposal of a hazardous waste?


    a. the company


    b. the EPA


    c. the contractor


    d. the employees


last updated 10/30/2017