Home / GATE 2017-2018 / GATE Mining Engineering :: Practice Test Paper 1

GATE 2017-2018 :: GATE Mining Engineering

  1. In the Coward flammability diagram, the respective percentages of methane and oxygen at the nose limit are
  2. A.
    14.2, 0.0
    B.
    14.1, 18.2
    C.
    5.8, 12.1
    D.
    5.0, 19.2

  3. If the transpose of a matrix is equal to its inverse, then the matrix is
  4. A.
    symmetric
    B.
    orthogonal
    C.
    skew symmetric
    D.
    singular

  5. In the Moh's scale of hardness, the minerals in increasing sequence of hardness are
  6. A.
    calcite, gypsum, topaz, diamond
    B.
    topaz, gypsum, calcite, diamond
    C.
    calcite, gypsum, diamond, topaz
    D.
    gypsum, calcite, topaz, diamond

  7. A ball of weight W is supported on smooth walls as shown in the following figure. R1 and R2 are reactions from the walls 1 and 2. The free body diagram of the ball is represented by

  8. A.
    .

    B.
    .

    C.
    .

    D.
    .


  9. For a 25 mm diameter spherical charge, the maximum allowable charge length in cm is
  10. A.
    15.0
    B.
    25.0
    C.
    30.0
    D.
    150.0

  11. Long-hole drilling with crater blasting is used for the construction of
  12. A.
    winze
    B.
    shaft
    C.
    raise
    D.
    decline

  13. Rill stoping method is a form of
  14. A.
    block caving
    B.
    artificially supported stoping
    C.
    underhand stoping
    D.
    overhand stoping

  15. Transit theodolite is a
  16. A.
    micro-optic theodolite
    B.
    theodolite with face left and face right reading facilities
    C.
    theodolite with stadia hairs
    D.
    theodolite with two vertical circles

  17. Incubation period is NOT related to
  18. A.
    crossing point temperature of coal
    B.
    panel size
    C.
    seam thickness
    D.
    explosibility of coal dust

  19. The pressure on a phreatic surface is
  20. A.
    less than atmospheric pressure
    B.
    greater than atmospheric pressure
    C.
    equal to atmospheric pressure
    D.
    independent of atmospheric pressure