Construction Planning and Management

71. In time-cost optimization of a project, crashing is done.

  1. On all the activities
  2. On all the activities lying on the critical path
  3. Only on activities lying on the original critical path and having flatter cost slopes
  4. On original critical activities and those that become critical at any stage of crashing in the order of ascending cost slope

Correct answer: (D)
On original critical activities and those that become critical at any stage of crashing in the order of ascending cost slope

72. Interfering float is the difference between

  1. Total float and free float
  2. Total float and independent float
  3. Free float and independent float
  4. None of the above

Correct answer: (A)
Total float and free float

73. Mile Stone charts were invented in the year of

  1. 1910
  2. 1920
  3. 1930
  4. 1940

Correct answer: (D)
1940

74. Military organisation is known as

  1. Line organisation
  2. Line and staff organisation
  3. Functional organisation
  4. None of these

Correct answer: (A)
Line organisation

75. Mobilization advance up to 10% of the cost of work is given to a contractor

  1. On commencement of work at site for payment of loan taken by him
  2. For the purchase of construction materials
  3. For the payment of advances to labour and other staff
  4. For all activities required to start the work at site on finalization of the contract document

Correct answer: (D)
For all activities required to start the work at site on finalization of the contract document

76. Modular co-ordination of construction means proper

  1. Planning
  2. Designing
  3. Execution
  4. All the above

Correct answer: (D)
All the above

77. Output of a bulldozer is
(i) Increased if drawbar HP of the tractor is increased for a given hauling distance
(ii) Decreased if drawbar HP of the tractor is increased for a given hauling distance
(iii) Increased if the hauling distance is increased for a given drawbar HP of the tractor
(iv) Decreased if the hauling distance is increased for a given drawbar HP of the tractor Of these statement

  1. (i) and (iii) are correct
  2. (i) and (iv) are correct
  3. (ii) and (iii) are correct
  4. (ii) and (iv) are correct

Correct answer: (B)
(i) and (iv) are correct

78. PERT analysis is based on

  1. Optimistic time
  2. Pessimistic time
  3. Most likely time
  4. All the above

Correct answer: (D)
All the above

79. PERT is

  1. An analytic in concept
  2. Limited of event oriented diagrams
  3. Used for research and development projects
  4. All the above

Correct answer: (D)
All the above

80. PERT technique of network analysis is mainly useful for

  1. Small projects
  2. Large and complex projects
  3. Research and development projects
  4. Deterministic activities

Correct answer: (C)
Research and development projects

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