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Q: Pick up the incorrect statement applicable to the field test of good cement.
  • A. When one thrusts one's hand into a bag of cement, one should feel warm
  • B. The colour of the cement is bluish
  • C. A handful of cement thrown into a bucket of water should sink immediately
  • D. All options are correct
Correct Answer: Option D - Field test of good cement – (i) Colour of cement should be greenish gray. (ii) Should get cool feeling when thrusted. (iii) When we touch the cement. It should give a smooth not a gritty feeling. (iv) When we throw the cement on a bucket full of water before it sinks the particles should flow. (v) Open the bag and take a good look at the cement then it should not contain any visible lumps.
D. Field test of good cement – (i) Colour of cement should be greenish gray. (ii) Should get cool feeling when thrusted. (iii) When we touch the cement. It should give a smooth not a gritty feeling. (iv) When we throw the cement on a bucket full of water before it sinks the particles should flow. (v) Open the bag and take a good look at the cement then it should not contain any visible lumps.

Explanations:

Field test of good cement – (i) Colour of cement should be greenish gray. (ii) Should get cool feeling when thrusted. (iii) When we touch the cement. It should give a smooth not a gritty feeling. (iv) When we throw the cement on a bucket full of water before it sinks the particles should flow. (v) Open the bag and take a good look at the cement then it should not contain any visible lumps.