Quiz 81

Main reason for using stones in building works is it's

• Good appearance

• Low water absorption

• Resistance to fire

• Durability

The angle of internal friction is least for

• Fine sand

• Medium sand

• Coarse sand

• Clays

In cavity wall construction, each leaf of the cavity wall shall not be less than

• 75mm

• 70mm

• 65mm

• 60mm

V groove pointing is done generally in

• Brick masonry

• Block masonry

• Laterite masonry

• Rubble masonry

Cacl2 is an admixture used as ....In plain concrete

• Retarder

• Accelerator

• Plasticizer

• Additive

Osmoscope is used for measuring

• Turbidity of water

• Odour of water

• Colour of water

• Temperature of water

Length of surveyors chain

• 33ft

• 66ft

• 33m

• 66m

Centre of gravity of a right circular cone of base radius r and height A from the base is

• 3/4 h

• 1/4 h

• 3/8 h

• 1/8 h

Centrifugal pumps operating in series will result in

• Higher discharge

• Higher head

• Reduced power consumption

• Low speed operation

Pressure in pipes is measured using

• Manometer

• Barometer

• Venturimeter

• Pitot tube