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- Question
Dextrin is
Options- A. animal glue
- B. starch glue
- C. albumin glue
- D. rubber based adhesive
- E. none to these.
- Correct Answer
- rubber based adhesive
- 1. Pick up the correct statement from the following:
Options- A. The substance which consists of one primary chemical, is known as monomer
- B. The polymer consists of thousands of monomers joined together
- C. The polymer molecule is called macro-molecule
- D. A polymetric material consists of a large number of long-chain molecules
- E. All the above. Discuss
- 2. The weight of 1 m3 of brick earth, is about
Options- A. 1200 kg
- B. 1500 kg
- C. 1800 kg
- D. 2000 kg. Discuss
- 3. The operation of removal of impurities or clay adhering to iron ores, is known as
Options- A. dressing
- B. calcination
- C. roasting
- D. smelting. Discuss
- 4. Pick up the correct statement from the following:
Options- A. Plastics have generally low melting point
- B. The coefficient of thermal expansion of plastics is about three times than that of steel
- C. The acoustical boards prepared by impregnating fibre-glass with phenolic resins has absorption coefficient of about 0.67
- D. All the above. Discuss
- 5. Duco is one of the patent forms of
Options- A. emulsion paints
- B. plastic paints
- C. bituminous paints
- D. aluminium paints
- E. cellulose paints. Discuss
- 6. Pozzolana (or surkhi) is used in lime
Options- A. to impart hydraulicity
- B. to prevent shrinkage
- C. to decrease the cost of construction
- D. to decrease the setting time. Discuss
- 7. Quick setting cement is produced by adding
Options- A. less amount of gypsum in very fine powdered form
- B. more amount of gypsum in very fine powdered form
- C. aluminium sulphate in very fine powdered form
- D. pozzolana in very fine powdered form
- E. none of these. Discuss
- 8. The type of steel used for precision levelling staff, is
Options- A. Titanium steel
- B. Carbon steel
- C. Invar
- D. Stainless steel. Discuss
- 9. The timber having maximum resistance against white ants, is obtained from
Options- A. chir
- B. shisham
- C. sal
- D. teak. Discuss
- 10. Bulking of sand is caused due to
Options- A. surface moisture
- B. air voids
- C. viscosity
- D. clay contents
- E. all the above. Discuss
Building Materials problems
Search Results
Correct Answer: All the above.
Correct Answer: 1800 kg
Correct Answer: dressing
Correct Answer: All the above.
Correct Answer: cellulose paints.
Correct Answer: to impart hydraulicity
Correct Answer: aluminium sulphate in very fine powdered form
Correct Answer: Invar
Correct Answer: sal
Correct Answer: surface moisture
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dextrin is a starch absed glue. go Google it. mf