Q. A square area (on the surface of the earth) with side 100 m and uniform height, appears as 1 cm2 on a vertical aerial photograph. The topographic map shows that a contour of 650 m passes through the area. If focal length of the camera lens is 150 mm, the height from which the […]
Q. The following details refer to a closed traverse: Line Consecutive coordinate Northing (m) Southing (m) Easting (m) Westing (m) PQ —- 437 173 —- QR 101 —- 558 —- RS 419 —- —- 96 SP —- 83 —- 634 The length and direction (whole circle bearing) of closure, respectively are A. 1 m and
The following details refer to a closed traverse Read More »
Pollen grains can be preserved as fossil because Option 1 : They vary from species to speciesOption 2 : They have variety of architectureOption 3 : They are made up of sporopolleninOption 4 : They exhibit a fascinating array of pattern and design
Pollen grains can be preserved as fossil because Read More »
Q. A priority intersection has a single-lane one-way traffic road crossing an undivided two- lane two-way traffic road. The traffic stream speed on the single-lane road is 20 kmph and the speed on the two-lane road is 50 kmph. The perception-reaction time is 2.5 s, coefficient of longitudinal friction is 0.38 and acceleration due to
Sporopollenin is Option 1 : Most resistant organic matter knownOption 2 : Present in exine of pollen grainOption 3 : Absent in the germ pole of pollen grainOption 4 : All of these
Exine of pollen is(A) Hard outer layer of pollen grain(B) Most resistant organic matter known.(C) Layer made up of sporopollenin.(D) Layer which can withstand high temperature, strong acids and alkali.(E) Layer which cannot be degraded by any known enzyme. Option 1 : A and BOption 2 : A, B, C and DOption 3 : A,
Q. A rapid sand filter comprising a number of filter beds is required to produce 99 MLD of potable water. Consider water loss during backwashing as 5%, rate of filtration as 6.0 m/h and length to width ratio of filter bed as 1.35. The width of each filter bed is to be kept equal to
Pollen grains are Option 1 : SphericalOption 2 : OvalOption 3 : Generally sphericalOption 4 : Irregular
Q. A closed tank contains 0.5 m thick layer of mercury (specific gravity = 13.6) at the bottom. A 2.0 m thick layer of water lies above the mercury layer. A 3.0 m thick layer of oil (specific gravity = 0.6) lies above the water layer. The space above the oil layer contains air under
Diameter of pollen grain is Option 1 : 20–50 μmOption 2 : 25–50 μmOption 3 : 30–50 μmOption 4 : 10–50 μm
