Q. the ______ was used as a material for the construction of caisson in the early stages of development of caisson.

  • (A) Steel
  • (B) Timber
  • (C) Cast iron
  • (D) RCC
πŸ’¬ Discuss
βœ… Correct Answer: (B) Timber

Q. a ______ is a caisson which is open at top as well as at bottom.

  • (A) Well
  • (B) Box caisson
  • (C) Pneumatic caissons
  • (D) Cofferdam
πŸ’¬ Discuss
βœ… Correct Answer: (A) Well

Q. which the given method is used for dewatering of the foundation trenches.

  • (A) Deep boring
  • (B) Geophysical method
  • (C) Well point system
  • (D) Analytical method
πŸ’¬ Discuss
βœ… Correct Answer: (C) Well point system

Q. in case of releasing artesian pressure, which precaution should be taken when the system of well points is adopted.

  • (A) Pumping rate
  • (B) Air locks
  • (C) Duplication of pumps
  • (D) Blowing action
πŸ’¬ Discuss
βœ… Correct Answer: (D) Blowing action

Q. the organic chemicals include epoxy resin, polyester resin and other resins are used in which method of dewatering of the foundation trenches.

  • (A) Well point system
  • (B) Cement grouting
  • (C) Chemical grouting
  • (D) Electro osmosis process
πŸ’¬ Discuss
βœ… Correct Answer: (C) Chemical grouting

Q. from given below, which method for the dewatering of foundation trenches is portable and can be easily moved when required.

  • (A) Pumping
  • (B) Well point system
  • (C) Freezing process
  • (D) Electro osmosis process
πŸ’¬ Discuss
βœ… Correct Answer: (A) Pumping

Q. in which method a refrigeration plan of required capacity is need to be installed near the site of work.

  • (A) Pumping
  • (B) Well point system
  • (C) Freezing process
  • (D) Electro osmosis process
πŸ’¬ Discuss
βœ… Correct Answer: (C) Freezing process

Q. ______ process consists of making a number of holes in the ground and then filling these holes by the cement grout under pressure

  • (A) Chemical grouting
  • (B) Cement grouting
  • (C) Freezing process
  • (D) Electro osmosis process
πŸ’¬ Discuss
βœ… Correct Answer: (B) Cement grouting

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