PAES 505

Question 1

a vessel to which water, fuel and air are supplied and in which steam is generated

Answer 1

boiler

Question 2

mechanical assembly equipped with rotating flexible paddles used in removing hair
from animal carcass after scalding

Answer 2

dehairing machine
dehairer

Question 3

part of the scalder that is used to remove hogs from the scalder

Answer 3

release cradle

Question 4

slaughterhouse equipment that can contain water which is heated to loosen the
animal’s hair from the follicles

Answer 4

scalder
scalding tank

Question 5

process of subjecting an animal to heated water to loosen animal’s hair from its
follicles

Answer 5

scalding

Question 6

refers to the standard wall thickness of the commercially available pipe which is relative to the applied pressure and material strength

Answer 6

schedule

Question 7

an electromechanical valve used to automatically shut off or open steam line in hog scalder

Answer 7

solenoid valve

Question 8

device used to automatically control and to keep temperature within the required
settings

Answer 8

thermostat

Question 9

Type of hog scalder wherein water is directly heated by using steam which passes
through perforated pipes

Answer 9

Steam heated scalder

Question 10

Type of hog scalder wherein water is heated by using a burner

Answer 10

Gas heated scalder

Question 11

Type of hog scalder wherein water is heated by using biomass fuels such as coconut shell, saw dust, firewood and rice hull fed into the furnace to be burned

Answer 11

Solid fired scalder

Question 12

Type of hog scalder usually integrated in automated slaughterhouses wherein hogs are
scalded while being hung on the overhead railing. The vertical scalder makes use of
spray heads connected to the boiler to spray hot water throughout the body of the hog

Answer 12

Vertical Scalder

Question 13

water is not sprayed into the hog’s body but instead, the hog is totally submerged into a tank containing pre-heated water (with 60 – 62 °C temperature) for about four (4) to five (5) minutes. The hog shall be removed from the scalder using the release lever and shall be
dumped for dehairing.

Answer 13

Horizontal scalder

Question 14

Prior to stunning, the water that shall be used for scalding shall be heated up to 60 –
62 °C to loosen the hair from the follicles of the animal. The temperature of water is
maintained automatically by the included solenoid valves which have temperature
sensors. The heated water shall be evenly sprayed to the hog’s body to allow efficient
dehairing. After exposure to the scalder, the hog shall be dehaired.

Answer 14

Vertical scalder

Question 15

types of hog scalder:

Answer 15

1. steam heated scalder
2. Gas heated scalder
3. Solid fired scalder
4. Vertical scalder
5. Horizontal scalder