Explore topic-wise MCQs in Dairy Engineering.

This section includes 60 Mcqs, each offering curated multiple-choice questions to sharpen your Dairy Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

What household cleaning agent has been found to cut odor in livestock manure by USDA-ARS scientists?

A. Baking soda
B. Borax
C. Dish soap
D. Window cleaner
Answer» C. Dish soap
2.

If the dairy ingredients to be pasteurized have a fat content of 10% or more, the specified temperature shall be increased by ______degrees F.

A. 2
B. 3
C. 5
D. 10
Answer» D. 10
3.

The Italian cheese with the second largest per capita consumption was?

A. Parmesan
B. Provolone
C. Romano
D. Ricotta
Answer» C. Romano
4.

For every pound of dry matter, cows should consume how much water?

A. 1 to 2 pounds
B. 4 to 5 pounds
C. 10 to 15 pounds
D. 25 to 30 pounds
Answer» C. 10 to 15 pounds
5.

The country which imported the largest amount of U.S. ice cream and related products was?

A. Canada
B. Japan
C. Russia
D. Mexico
Answer» E.
6.

Low sodium cheddar cheese contains no more than ________milligrams of sodium per pound of the finished food.

A. 56
B. 45
C. 96
D. 105
Answer» D. 105
7.

Behind the U.S., the country, which averages the largest production per cow, is _____

A. Japan
B. Canada
C. Australia
D. Argentina
Answer» B. Canada
8.

The Standard of Identity for ice cream requires that it contain a minimum of ____ percent milk fat.

A. 10
B. 12
C. 14
D. 16
Answer» B. 12
9.

Ice cream must weight a minimum _______ pounds to the gallon.

A. 3.5
B. 4.5
C. 5.0
D. 5.25
Answer» C. 5.0
10.

One serving (8 oz) of milk has about ______ milligrams of calcium.

A. 90
B. 150
C. 200
D. 250
Answer» E.
11.

The decision of a milk hauler to accept or reject milk at the producing farm?

A. Depends on knowledge of milk quality and ability to smell off odors
B. Should always be confirmed by tests for acidity
C. Should be made the day before pickup is scheduled
D. Age of cow
Answer» B. Should always be confirmed by tests for acidity
12.

The average Federal order price per hundredweight in 2009 for class 1 milk was _______dollars per hundredweight.

A. 10.89
B. 11.36
C. 13.10
D. 14.40
Answer» E.
13.

The minimum fat content of cheddar cheese is?

A. 20
B. 33
C. 40
D. 50
Answer» E.
14.

The U.S. also imports certain dairy products. The dairy products imported which accounted for the largest dollar value was?

A. Dry whey
B. Milk protein concentrates
C. Casein and casein products
D. Cheese and curd
Answer» E.
15.

The largest U.S. exports of a dairy product by dollars were?

A. Non-fat dry milk
B. Cheese and curd
C. Whey and whey products
D. Lactose
Answer» B. Cheese and curd
16.

The largest total exported dairy product by volume in 2009 was?

A. Cheese and curd
B. Dry whey
C. Non-fat dry milk
D. Lactose
Answer» C. Non-fat dry milk
17.

In cows, salmonellosis infections are most common in those that have calved within ___________

A. 2 days
B. 10 days
C. 20 days
D. 50 days
Answer» C. 20 days
18.

How many years does it take for a dairy farm to fully transition to become certified organic?

A. 1
B. 3
C. 5
D. 7
Answer» C. 5
19.

The minimum price for all four classes of milk from the farm in 2009 compared to 2008:

A. Increases slightly
B. Increased a large amount
C. Remained the same
D. Decreased
Answer» E.
20.

There are four classes of milk under federal orders and they provide for what?

A. Classification is according to the relative safety of each class
B. Payment for milk is according to its quality
C. Payment for milk is according to its cost of production
D. Payment for milk is according to its end use
Answer» E.
21.

According to a report compiled by the Institute for Food Technologists _________ is now America’s favorite at-home snacks.

A. Cheese
B. Yogurt
C. Ice cream
D. Chocolate Milk
Answer» C. Ice cream
22.

Which of these is a good nutritional strategy to maintain milk production in hot weather?

A. Feed more grain
B. Increase protein concentration
C. Add more fat
D. Milk slower
Answer» D. Milk slower
23.

New food plate guidelines recommended how many servings of dairy products per day?

A. 5
B. 2
C. 4
D. 3
Answer» E.
24.

What method of manure application is best to fully utilize nutrients, reduce the risk of runoff, and lower odor complaints?

A. Injecting
B. Broadcasting
C. Surface application
D. Flood application
Answer» B. Broadcasting
25.

Based on ice cream consumption figures, the second most popular flavor is?

A. Strawberry
B. Cookies n’ cream
C. Vanilla
D. Chocolate
Answer» E.
26.

Why do protein and amino acids go hand in hand?

A. Amino acids and proteins need to be found in a 2:1 ratio in all diets
B. Proteins are basically the building blocks of amino acids
C. Amino acids are basically the building blocks of protein
D. Proteins link to amino acids in bone formation
Answer» D. Proteins link to amino acids in bone formation
27.

What technology destroys 90 percent of BST found in milk?

A. Pasteurization
B. Homogenization
C. Hormonization
D. Reverse osmosis
Answer» B. Homogenization
28.

Which of the following is an example of value-added agriculture?

A. A farm that markets an “Ozark brand” of cheese
B. Purchasing milk from a local producer
C. Using a custom heifer raiser
D. Drinking raw milk
Answer» B. Purchasing milk from a local producer
29.

At refrigerated temperatures, the butter will begin to lose some of its natural flavor after how long?

A. Within 2 months
B. Within 6 months
C. Within 1 year
D. Butter will not lose its natural flavor when stored properly
Answer» C. Within 1 year
30.

What disease is caused by a worm that is taken up as larvae by cattle eating grass, penetrates the gut, and eventually matures to an adult form in the respiratory tract?

A. Tuberculosis
B. Heartworm
C. Trichinosis
D. Lungworm
Answer» E.
31.

Under Federal milk marketing orders, Class III milk is used to make?

A. Ripened cheeses
B. Cottage cheese
C. Butter and dry milks
D. Ice cream
Answer» B. Cottage cheese
32.

Which of the following cheese is an unripen variety?

A. Bleu
B. Cream
C. Brie
D. Parmesan
Answer» C. Brie
33.

What stomach is a magnet typically used in to remove metal objects that cause Hardware disease?

A. Abomasum
B. Omasum
C. Reticulum
D. Rumen
Answer» D. Rumen
34.

The cheese that has maximum moisture of 45% and a minimum of 45% fat and is a pasta filata cheese is?

A. Swiss
B. Mozzarella
C. Provolone
D. Cheddar
Answer» D. Cheddar
35.

According to the American Veterinary Medicine Association, what is the preferred method of dehorning cows?

A. Caustic paste
B. Cauterizing veins
C. Gauging
D. Disbudding
Answer» E.
36.

The off-flavor that is seldom found except in pasteurized milk that has been stored too long is?

A. Foreign
B. Unclean
C. High acid
D. Feed
Answer» C. High acid
37.

How long should Calf hutches be left empty between calves to prevent disease spread?

A. 2 to 3 days
B. 3 weeks
C. 10 to 14 days
D. 1 month
Answer» D. 1 month
38.

The milk-feed price ration (which relates the value of milk to the cost of feed) averaged _______in 2009 far below the 1999-2008 values.

A. 1.78
B. 1.9
C. 2.69
D. 2.89
Answer» B. 1.9
39.

When performing a CMT test, watch for color changes and gel formation. Milk from a normal quarter does which of the following?

A. Forms a gelatinous mass clinging together in a strong reaction
B. Flows freely without change in viscosity
C. Forms small clumps in a moderate reaction
D. Turns a deep purple color
Answer» C. Forms small clumps in a moderate reaction
40.

In 2009, the annual farm milk price was about $_________ per hundredweight, down $5.60 per hundredweight from 2008.

A. 10.80
B. 12.80
C. 14.10
D. 15.50
Answer» C. 14.10
41.

The natural lipase enzyme contained in all raw milk is kept away from milk fat globules, thus preventing development of rancidity because the __________

A. Fat globule membrane is a protective layer which covers the fat globules
B. The major protein, casein, ties up the lipase
C. Fat globules are very small to attract the enzyme until they are homogenized
D. Enzyme has to be activated by the heat of pasteurization
Answer» B. The major protein, casein, ties up the lipase
42.

The largest supermarket sales of cheese by type was?

A. Cheddar
B. Mozzarella
C. Processed American
D. Colby Jack
Answer» B. Mozzarella
43.

In regards to commodities, what best defines hedging?

A. Taking no action
B. The act of buying and selling stock
C. The act of protecting yourself against price possibilities
D. The act of buying and selling commodities
Answer» D. The act of buying and selling commodities
44.

Five countries accounted for approximately _______% of the total U.S. dairy exports.

A. 39
B. 59
C. 69
D. 79
Answer» C. 69
45.

When it comes to fertilizing fields, what three nutrients are known as the “secondary nutrients”?

A. Calcium, nitrogen and water
B. Calcium, sulfur and magnesium
C. Nitrogen, phosphorus, potassium
D. Potassium, phosphorus and zinc
Answer» C. Nitrogen, phosphorus, potassium
46.

What is the largest cost on most U.S. dairy farms?

A. Feed
B. Fuel
C. Labor
D. Veterinary fees
Answer» B. Fuel
47.

The country that was the largest purchaser of U.S. dairy products in 2009 was?

A. Canada
B. China
C. Mexico
D. Japan
Answer» D. Japan
48.

Which of the following fatty acids found in milk have been associated with health benefits in humans?

A. Oleic acid
B. Conjugated Linoleum Acid
C. Butyric Acid
D. Lactic Acid
Answer» C. Butyric Acid
49.

Monterey Jack cheese has a moisture content of 44% percent and a minimum of ___________% fat.

A. 40
B. 45
C. 33
D. 50
Answer» E.
50.

What field vegetable can be a cheap replacement for soybean meal and corn grain?

A. Sugar beets
B. Sweet corn
C. Field peas
D. Almonds
Answer» D. Almonds