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Q) The property that CANNOT be determined from uniaxial compressive strength test of a rock sample fitted with strain gauges is

  • Cohesion
  • Poisson’s ratio
  • modulus of elasticity
  • dilation

a. Cohesion

Q) The Percussive drills works based on _______ cutting principle.

  • Impact action
  • Rotary action
  • Both (a) & (b)
  • Cutting and ploughing

a. Impact action

Q) In Top hammer drill, the piston strikes on the __________ to transfer the energy.

  • Bit
  • Adaptor
  • Drill
  • None of these

b. Adaptor

Q) Why it is believed that, the outer core of earth is liquid? Because __________

  • S wave can travel through it.
  • S wave cannot travel through it.
  • P wave can travel through it.
  • P wave cannot travel thought it.

(b) S wave cannot travel through it.

Q) In the Moh’s scale of hardness, the minerals in decreasing sequence of hardness are____________.

  • diamond, topaz, gypsum, calcite
  • diamond, calcite, gypsum, topaz
  • topaz, diamond, gypsum, calcite
  • diamond, topaz, calcite, gypsum

(d) diamond, topaz, calcite, gypsum

Q) A joint with a dip of N400W may have a strike direction of ____________.

  • S30W
  • S400W
  • S500W
  • S600W

(c) S500W

Q) Angle of dip is measured by using which instrument?

  • Luxometer
  • Tachometer
  • Seismograph
  • Clinometer

(d) Clinometer

Q) Most common rock on earth surface is _____________.

  • Igneous rock
  • Sedimentary rock
  • Metamorphic rock
  • All are in the same proportion

(b) Sedimentary rock

Q) Which discontinuity separates the mantel from the crust?

  • Mohorovic discontinuity
  • Guttenberg- weichart discontinuity
  • Repetti discontinuity
  • Conard discontinuity

(a) Mohorovic discontinuity

Q) The sial layer is rich in ____________.

  • Silica and aluminum
  • Silica and magnesium
  • Sulfur and arsenic
  • Sulfur and aluminum

(a) Silica and aluminum

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