MATERIAL TESTING LAB(QUIZ 2)

The fine aggregate is the one which ____________

• Passes through 4.75mm sieve

•  Retained by 4.75mm sieve

•  Passes through 3.75mm sieve

•  Passes through 3.75mm sieve

______ is the nominal aggregate size used for building construction.

• 8 mm

• 12 mm

• 20 mm

• 40 mm

The size of the coarse aggregate is more than __________

• 1.16 mm

• 2.36 mm

• 4.75 mm

• 5.25 mm

The common size of brick is ________

• 19cmx9cmx9cm

• 12cmx11cmx12cm

• 9cmx9cmx9cm

• 10cm.x10cmx9cm

Device which is used to find out the normal consistency of cement is ________

• Le-chatelier

• Permeability apparatus

• Vicat apparatus

• none of these

The particle size distribution of aggregates is called ________

•  Grading

•  Coating

•  Hardness

•  Aggregate voids

Combined flakiness and elongation index should not exceed ______

• 20%

• 30%

• 40%

• 45%

Vicat apparatus is used for _______

• Fineness test

• Consistency test

• Setting time test

• Both consistency and setting time

The resistance of an aggregate to compressive force is called _______

• Crushing strength

• Impact value

• Shear resistance

• All the above

In concrete, the material used as a fine aggregate is _________

• cement

• Sand

• jelly

• Gypsum