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Unit 2 - Week 1
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Lecture No 1 : Introduction to drilling technology Lecture No 2 : Introduction to blasting technology Lecture No 3 : Rock formation Lecture No 4 : Rock formation (Contd.) Lecture No 5 : Rock formation (Contd.) Lecture Materials Quiz : Week 1 : Assignment Feedback for Week 1
Due on 2018-08-22, 23:59 IST.
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2) 1 point
3) 1 point
Week 1 : Assignment
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The sial layer is rich in ____________.
(a) Silica and aluminum (b) Silica and magnesium (c) Sulfur and arsenic (d) Sulfur and aluminum No, the answer is incorrect.
Score: 0
Accepted Answers:
(a) Silica and aluminum
Which discontinuity separates the mantel from the crust?
(a) Mohorovic discontinuity
(b) Guttenberg- weichart discontinuity (c) Repetti discontinuity
(d) Conard discontinuity No, the answer is incorrect.
Score: 0
Accepted Answers:
(a) Mohorovic discontinuity
95 % of the earth crust is ______________ rock.
(a) Igneous rock (b) Sedimentary rock
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Drilling and Blasting Technology - - Unit 2 - Week 1 https://onlinecourses.nptel.ac.in/noc18_mm19/u...
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5) 1 point
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8) 1 point
Most common rock on earth surface is _____________.
(a) Igneous rock (b) Sedimentary rock (c) Metamorphic rock
(d) All are in the same proportion No, the answer is incorrect.
Score: 0
Accepted Answers:
(b) Sedimentary rock
Angle of dip is measured by using which instrument?
(a) Luxometer (b) Tachometer (c) Seismograph (d) Clinometer No, the answer is incorrect.
Score: 0
Accepted Answers:
(d) Clinometer
A joint with a dip of N400W may have a strike direction of ____________.
(a) S300W
(b) S400W
(c) S500W
(d) S600W No, the answer is incorrect.
Score: 0
Accepted Answers:
(c) S500W
In the Moh’s scale of hardness, the minerals in decreasing sequence of hardness are____________.
(a) diamond, topaz, gypsum, calcite (b) diamond, calcite, gypsum, topaz (c) topaz, diamond, gypsum, calcite (d) diamond, topaz, calcite, gypsum No, the answer is incorrect.
Score: 0
Accepted Answers:
(d) diamond, topaz, calcite, gypsum
The below given figure is representing which type of fault?
Drilling and Blasting Technology - - Unit 2 - Week 1 https://onlinecourses.nptel.ac.in/noc18_mm19/u...
2 of 4 Tuesday 16 October 2018 05:07 PM
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(a) Dip-slip fault (b) Strike slip fault (c) Diagonal-slip fault (d) Rotational fault No, the answer is incorrect.
Score: 0
Accepted Answers:
(b) Strike slip fault
The below given bending in the rock strata appears to be which type of fold?
(a) Anticline (b) Syncline (c) Box fold (d) None of these No, the answer is incorrect.
Score: 0
Accepted Answers:
(a) Anticline
Why it is believed that, the outer core of earth is liquid? Because ____________
(a) S wave can travel through it.
(b) S wave cannot travel through it.
(c) P wave can travel through it.
Drilling and Blasting Technology - - Unit 2 - Week 1 https://onlinecourses.nptel.ac.in/noc18_mm19/u...
3 of 4 Tuesday 16 October 2018 05:07 PM
(d) P wave cannot travel thought it.
No, the answer is incorrect.
Score: 0
Accepted Answers:
(b) S wave cannot travel through it.
