1. ____________ are made with a min. of 25%t rag fiber from cotton. They are high quality, long lasting, expensive papers.
a) Newsprint
b) Rag bond
c) Linear board
d) Fine papers
Explanation: Rag bonds are made with a min. of 25% rag fiber from cotton and are high quality, long lasting, expensive papers.
2. ____________ are made for writing, typing, and printing purposes. They may be white or colored, are manufactred from bleached kraft or sulfite softwood pulps.
a) Fine papers
b) Tissue
c) Greaseproof paper
d) Bond paper
Explanation: Fine papers are made for writing, typing, and printing purposes. They could be white or colored, are manufactured from bleached kraft or sulfite softwood pulps, and could contain hardwood pulp for smoothness and opacity.
3. Wrapping tissues are manufactured from bleached sulfite or kraft pulps and are soft and absorbent.
a) True
b) False
Explanation: Sanitary tissues are manufactured from bleached sulfite or kraft pulps.
4. Sanitary tissues are used for wrapping clothes, flowers, etc. and are made of bleached kraft or sulfite softwood pulps that impart very high strength.
a) True
b) False
Explanation: Wrapping tissue are used for wrapping clothes, flowers, etc. and are made of bleached kraft or sulfite softwood pulps that impart very high strength.
5. ____________ is a dense, transparent grade of paper that’s used for tracing.
a) Sanitary tissue
b) Wrapping tissue
c) Glassine tissue
d) Wrapping tissue
Explanation: Tracing tissue’s a dense, transparent grade of paper that’s utilised for tracing.
6. ____________ are manufactured from highly refined chemical pulps, resulting in a very dense, translucent sheet.
a) Liner board
b) Bond paper
c) Rag bonds
d) Grease proof paper
Explanation: Grease proof paper are manufactured from highly refined chemical pulps, results in a very dense, semi-transparent sheet. A lot of times a special grade of un-bleached sulfite pulp with a high hemicellulose content is used to make a non-porous sheet.
7. ____________ is an un-bleached kraft softwood sheet of southern pine or Douglas-fir, made in various weights.
a) Linerboard
b) Bond paper
c) Grease proof paper
d) Fine papers
Explanation:Linerboard’s an un-bleached kraft softwood sheet of southern pine or Douglas-fir, made in various weights. Sometimes, linerboard is a 2 ply (duplex) (or even triplex) sheet, manufactured on a flat wire paper machine with two headboxes.
8. ____________ is manufactured from unbleached, semi-chemical pulp, especially N.S.S.C hardwood pulp, and recycled fiber from corrugated boxes.
a) Concurrent medium
b) Corrugated medium
c) Fluted medium
d) Calliper medium
Explanation: Corrugating medium’s made from unbleached, semi-chemical pulp, especially N.S.S.C hardwood pulp, and recycled fiber from corrugated boxes.
9. The paper properties must be measured under standard conditions of temperature and relative humidity since these affect the __________
a) MD
b) CD
c) EMC
d) EHM
Explanation: The moisture content of paper has crucial effect on paper quality; i.e. paper properties must be measured under standard conditions of temperature and relative humidity since these affect the equilibrium moisture content (E.M.C.).
10. Paper should be stored in a hot, dry room before placement in the standard room so that the ___________ of paper approaches its __________ by adsorbing water from the atmosphere.
a) Moisture content and EMC
b) Rate of forward reaction and rate of backward reaction
c) Moisture content and triple point
d) Fusion and fusion point
Explanation: Paper should be stored in a hot, dry room before placement in the standard room so as the moisture content of paper approaches its E.M.C by adsorbing water from the atmosphere.