Winery Operations: Pump Types and Chemical Usage in Wine Production, Exercises of Winemaking

Download Winery Operations: Pump Types and Chemical Usage in Wine Production and more Exercises Winemaking in PDF only on Docsity! Winery Operations . 1) Lobe pump a) Only pumps in one direction. Difficult to prime in some situations. Pumps high volume quickly so it’s good for large transfers. High shear. b) Good multipurpose pump. Pumps in either direction equally well. Positive displacement, will blow hoses if it pumps against a valve. Expensive. c) Multidirectional. Will burn up if pumped dry. Good multipurpose pump. Relatively inexpensive. d) Only pumps in one direction. If it’s properly set it’s okay to shut a valve against it so it’s good for filling barrels. Doesn’t back-flow. 2) Diaphragm Pump a) Only pumps in one direction. Difficult to prime in some situations. Pumps high volume quickly so it’s good for large transfers. High shear. b) Good multipurpose pump. Pumps in either direction equally well. Positive displacement, will blow hoses if it pumps against a valve. Expensive. c) Multidirectional. Will burn up if pumped dry. Good multipurpose pump. Relatively inexpensive. d) Only pumps in one direction. If it’s properly set it’s okay to shut a valve against it so it’s good for filling barrels. Doesn’t back-flow. 3) Centrifugal pump a) Only pumps in one direction. Difficult to prime in some situations. Pumps high volume quickly so it’s good for large transfers. High shear. b) Good multipurpose pump. Pumps in either direction equally well. Positive displacement, will blow hoses if it pumps against a valve. Expensive. c) Multidirectional. Will burn up if pumped dry. Good multipurpose pump. Relatively inexpensive. d) Only pumps in one direction. If it’s properly set it’s okay to shut a valve against it so it’s good for filling barrels. Doesn’t back-flow. 4) Flexible impeller pump a) Only pumps in one direction. Difficult to prime in some situations. Pumps high volume quickly so it’s good for large transfers. High shear. b) Good multipurpose pump. Pumps in either direction equally well. Positive displacement, will blow hoses if it pumps against a valve. Expensive. c) Multidirectional. Will burn up if pumped dry. Good multipurpose pump. Relatively inexpensive. Docsity.com d) Only pumps in one direction. If it’s properly set it’s okay to shut a valve against it so it’s good for filling barrels. Doesn’t back-flow. 5) Which of the following chemicals are considered caustic cleaners and can be used as the first step in 3 cycle cleaning? Check each one that applies: a) Potassium carbonate b) KMBS c) Sodium Hydroxide d) Citric Acid 6) ) What chemical is generally used to neutralize caustic cleaners in 3 cycle cleaning? a) Tartaric acid b) KMBS c) Sodium percarbonate d) Citric acid 7) All equipment needs to be 3 cycle cleaned before sanitizing. a) True b) False 8) What is the pH of caustic cleaners? a) Around wine pH b) Alkaline, above pH 7 c) Acidic, below pH 7 d) Incorrect answer 9) ) A fitting has scum on it from the previous vintage, dipping it in quaternary ammonia will clean the fitting. a) True b) False 10) A common rule in the cellar is to never leave any standing water. a) True b) False 11) Which of the following is not a (legal) wine additive. Docsity.com