BUILDING MATERIALS - Practice Mode

1) What is the commonly used filler material in Engineering works?

Cinder Pozzolana Sand Surkhi

Correct Answer: Sand

Explanation:

Physical hazards under occupational health hazards are
*Noise
*Heat and cold stress
*Vibration
*Radiation (ionising & Non-ionising )
*Illumination etc.,

2) Which waste material is obtained from the thermal power stations?

Cinder Pozzolana Sand Surkhi

Correct Answer: Cinder

Explanation:

Ergonomic hazards under occupational health hazards are
*Poor manual handling technique
*Wrong layout of machinery
*Wrong design
*Poor housekeeping
*Awkward position
*Wrong tools etc,

3) What is the mixture of both coarse and fine aggregates?

Irregular aggregates All in Aggregates Flaky aggregates Rounded aggregates

Correct Answer: All in Aggregates

4) Which aggregates retained in is - 4.75 mm?

Fine Coarse Medium All in aggregates

Correct Answer: Coarse

5) Which is the nominal size of All in aggregates?

20 mm 10 mm 15 mm 25 mm

Correct Answer: 10 mm

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