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  • Question
  • The type of steel used for precision levelling staff, is


  • Options
  • A. Titanium steel
  • B. Carbon steel
  • C. Invar
  • D. Stainless steel.

  • Correct Answer
  • Invar 


  • Building Materials problems


    Search Results


    • 1. 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
    • 2. 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
    • 3. Dextrin is

    • Options
    • A. animal glue
    • B. starch glue
    • C. albumin glue
    • D. rubber based adhesive
    • E. none to these.
    • Discuss
    • 4. 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
    • 5. The weight of 1 m3 of brick earth, is about

    • Options
    • A. 1200 kg
    • B. 1500 kg
    • C. 1800 kg
    • D. 2000 kg.
    • Discuss
    • 6. The timber having maximum resistance against white ants, is obtained from

    • Options
    • A. chir
    • B. shisham
    • C. sal
    • D. teak.
    • Discuss
    • 7. Bulking of sand is caused due to

    • Options
    • A. surface moisture
    • B. air voids
    • C. viscosity
    • D. clay contents
    • E. all the above.
    • Discuss
    • 8. The commonly used drying oil for oil paints, is

    • Options
    • A. olive oil
    • B. linseed oil
    • C. kerosine oil
    • D. accetate of lead.
    • Discuss
    • 9. Pick up the correct statement from the following:

    • Options
    • A. Catalysts are added to assist and accelerate the hardening of resin,
    • B. The fillers are inert materials and they impart strength and hardness
    • C. Fibrous fillers increase thermal resistance
    • D. All the above.
    • Discuss
    • 10. Pick up the correct statement from the following:

    • Options
    • A. The distinct plane of division along which a stone can easily be split, is called natural bed of stone
    • B. The natural bed of sedimentary rocks is along the planes of stratification
    • C. The natural bed of igneous rocks is not defined
    • D. All the above.
    • Discuss


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