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Construction Planning and Management

Wheeled tractors are replacing crawler tractors because________________?

Wheeled tractors are replacing crawler tractors because________________?

Consider the following statements?
1. wheeled tractors travel faster
2. crawler tractors are more expensive
3. track parts of a crawler wear out quickly
4. crawler tractors have stick control

A. 1,3 and 4 are correct
B. 2, 3 and 4 are correct
C. 1,2 and 3 are correct
D. 1, 2 and 4 are correct

Wheeled tractors are replacing crawler tractors because________________? Read More »

Construction Planning and Management

In the time-cost optimisation, using CPM method for network analysis, the crashing of the activities along the critical path is done starting with the activity having________________?

In the time-cost optimisation, using CPM method for network analysis, the crashing of the activities along the critical path is done starting with the activity having________________?

A. longest duration
B. highest cost slope
C. least cost slope
D. shortest duration

In the time-cost optimisation, using CPM method for network analysis, the crashing of the activities along the critical path is done starting with the activity having________________? Read More »

Construction Planning and Management

The rated loads of lifting cranes, as percentage of tipping load at specified radius, for crawler-mounted, and pneumatic tyremounted machines would be respectively_________________?

The rated loads of lifting cranes, as percentage of tipg load at specified radius, for crawler-mounted, and pneumatic tyremounted machines would be respectively_________________?

A. 80 and 90
B. 90 and 80
C. 85 and 75
D. 75 and 83

The rated loads of lifting cranes, as percentage of tipping load at specified radius, for crawler-mounted, and pneumatic tyremounted machines would be respectively_________________? Read More »

Construction Planning and Management

Batching refers to________________?

Batching refers to________________?

A. controlling the total quantity at each batch
B. weighing accurately, the quantity of each material for a job before mixing
C. controlling the quantity of each material into each batch
D. adjusting the water to be added in each batch according to the moisture content of the materials being mixed in the batch

Batching refers to________________? Read More »

Construction Planning and Management

The maximum rimpull in the first gear of a tractor while towing a load is 6300 kg. The tractor weighs 12.5 tonnes and is operating along a 2 percent upgrade and the rolling resistance is 45 kg/tonne. Pull available for towing the load is________________?

The maximum rimpull in the first gear of a tractor while towing a load is 6300 kg. The tractor weighs 12.5 tonnes and is operating along a 2 percent upgrade and the rolling resistance is 45 kg/tonne. Pull available for towing the load is________________?

A. 3425 kg
B. 5515 kg
C. 4350 kg
D. 2975 kg

The maximum rimpull in the first gear of a tractor while towing a load is 6300 kg. The tractor weighs 12.5 tonnes and is operating along a 2 percent upgrade and the rolling resistance is 45 kg/tonne. Pull available for towing the load is________________? Read More »

Construction Planning and Management

PERT is preferred for planning because of________________?

PERT is preferred for planning because of________________?

Consider the following features/factors
1. Projects are of the non-repetitive type.
2. Time required need not be known.
3. Time required is known precisely.
4. Events have been established for planning.
5. Emphasis is given to activities of project

A. 1,2 and 4
B. 3,4 and 5
C. 1,3 and 4
D. 1,2 and 5

PERT is preferred for planning because of________________? Read More »

Construction Planning and Management