Chapter 144

Question 0

Hog fuel is a term used to describe a:
A) very poor quality of fuel oil used as boiler fuel in sawmills
B) mixture of waste wood and bark used as boiler fuel in a sawmill
C) low calorific value waste fuel used as boiler fuel in oil refineries
D) low calorific value waste fuel used as boiler fuel in meat processing plants
E) waste product from hog barns used as boiler fuel in meat processing plants

Answer 0

B) mixture of waste wood and bark used as boiler fuel in sawmills

Question 1

The teeth on a large bandsaw must be sharpened about every:
A) 2 hours
B) 6 hours
C) 4 hours
D) 12 hours

Answer 1

C) 4 hours

Question 2

Steam in a meat processing plant is used in cookers and preheaters. What are the normal operating pressures for these units?
A) 1000 kPa
B) 840 kPa
C) 500 kPa
D) 680 kPa

Answer 2

B) 840 kPa

Question 3

The green chain sorts the trimmed boards according to what specifications?
A) species
B) thickness
C) length
D) weight
E) width
F) grade
G) all of the above

Answer 3

G) all of the above

Question 4

In a fluid catalytic cracker, a chemical reaction causes heavy hydrocarbons to be transformed into lighter hydrocarbons.
A) true
B) false

Answer 4

A) true

Question 5

In a hydrotreater, the reaction causes the sulphur to be changed to hydrogen sulphide and the nitrogen to ammonia.
A) true
B) false

Answer 5

A) true