Building Construction
Rotary drilling

Is not economical for holes of less than 10 cm
All listed here
Hinders the ground water observations and permeability test
Is not suitable for deposits containing very coarse gravel

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Building Construction
Auger boring

All of these
Is most economical up-to a depth of 5 meters
Is generally employed in cohesive and other self soils above water table
Is the most primitive method for making a hole in the ground

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Building Construction
Two columns 50 cm × 50 cm and 60 cm × 60 cm carry 80 tonnes and 120 tonnes of loads respectively. The centre to centre distance between columns is 5.00 metres. The permissible bearing capacity of the soil is 20 t/m2. If the footing is not to project more than 25 cm beyond the outside of the smaller column, pick up the correct design parameters of the footing from the following:

Distance of
G. of the loads from the smaller column = 3.00 m
The length of the foundation slab = 7.00 m
Area of footing slab = 11.00 m2
All listed here

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Building Construction
Pick up the consideration to the taken while designing a hospital from the following:

The operation theater unit to be detached as it requires sterilized zone but near the ward for the patients and doctor
Casualty unit should be provided a separate entrance
The mortuary should be detached from the main circulation with a post-mortem room
All listed here

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