Construction Planning and Management
The part of a derrick crane include (i) Mast (ii) Boom (iii) Bull wheel (iv) Jack which of these statements are correct?

(ii), (iii) and (iv) are correct
(i), (iii) and (iv) are correct
(i), (ii) and (iv) are correct
(i), (ii) and (iii) are correct

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Construction Planning and Management
Crash project duration is obtained by summing the

Crash durations for all the activities along the critical path obtained by taking into account the crash duration for all the activities
Normal durations for all the activities
Crash durations for all the activities along the critical path obtained by taking into account the normal duration for all the activities
Crash durations for all activities

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Construction Planning and Management
Sinking fund is

The total sum to be paid to the municipal authorities by the tenants
A part of the money kept in reserve for providing additional structures and structural modifications
The fund for rebuilding a structure when its economic life is over
Raised to meet maintenance costs

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