Engineering Questions with Answers - Multiple Choice Questions
Pulp & Paper MCQ’s – Softwood Fiber
1 - Question
Fibers over ____________ millimetre long are most often softwood fibers.
a) 1
b) 2
c) 3
d) 4
View Answer
Answer: b
Explanation: Fibers over 2 millimetre long are most often softwood fibers.
2 - Question
Ray cross—field pitting in softwoods is the principal means of many ray cross field pits shows if ray tracheids are present, whether they are marginal or interspersed, and might indicate the average height of the rays.
a) True
b) False
View Answer
Answer: a
Explanation: Cross-field pitting referres to the pores b/w the ray parenchyma cells and the vertical tracheids. The pores b/w the ray tracheids, if the ray tracheids are present, are diff. Cross-field pitting is somewhat variable within a growth ring so it is best to consider the first two or three rows of early wood
3 - Question
Spruce, larch, and hemlock might be able to be distinguished from each other as with true—fir and western redcedar.
a) True
b) False
View Answer
Answer: b
Explanation: Spruce, larch, and hemlock might not be able to be distinguished from each other as with true—fir and western redcedar. If the source of the pulp is known then regional information could be utilized.
4 - Question
Which of the following is made from Softwood fiber?
a) Letterpress
b) Magazine
c) Grocery bags
d) Novels
View Answer
Answer: c
Explanation: Softwood fibers from commonly utilized papermaking species such as pine, spruce, alpine fir, and Douglas fir have tracheid fibers nearly 3 millimeter long and 20 to 30 millimeter thick.
5 - Question
5. What is the type of the softwood fiber?
a) Douglas—fir
b) Southern pine
c) Eastern white pine
d) Sitka spruce
View Answer
Answer: a
Explanation: Douglas fir, with the scientific name Pseudotsuga menziesii, is an evergreen conifer species found in western North America.
6 - Question
What is the type of the softwood fiber?
a) Douglas—fir
b) Southern pine
c) Eastern white pine
d) Sitka spruce
View Answer
Answer: b
Explanation: They grow very well in the acidic red clay soil found in a lot of the region. The species include Loblolly, longleaf, shortleaf, and slash pines.
7 - Question
What is the type of the softwood fiber?
a) Douglas—fir
b) Southern pine
c) Eastern white pine
d) Sitka spruce
View Answer
Answer: c
Explanation: Eastern White Pine is the largest pine tree in Virginia. It grows over 100 feet. and has a straight trunk up to 4 feet. wide.
8 - Question
What is the type of the softwood fiber?
a) Douglas—fir
b) Southern pine
c) Eastern white pine
d) Sitka spruce
View Answer
Answer: d
Explanation: It’s a large coniferous evergreen tree growing to almost 100 meter (330 feet) tall, and with a trunk diameter at breast height that could be greater than 5 meter (16 feet).
9 - Question
What is the type of the softwood fiber?
a) Douglas—fir
b) Sitka spruce
c) Western hemlock
d) Western cedar
View Answer
Answer: c
Explanation: It’s a species of hemlock found in the west coast of North America, with its north western limit on the Kenai Peninsula, Alaska, and its south eastern limit in northern Sonoma County.
10 - Question
What is the type of the softwood fiber?
a) Douglas—fir
b) Sitka spruce
c) Western hemlock
d) Western cedar
View Answer
Answer: d
Explanation: Western Redcedar is a commercially crucial lumber, utilized in a number of applications ranging from rough-sawn lumber for utilize in home construction to clear quarter sawn material for classical guitar.