................. of kerogen is the principal stage of oil formation.
Catagenesis
Organic matter maturation passes through diagenesis, catagenesis and metagenesis with increasing burial temperature.
Diagenesis (below about 50-60°C) forms kerogen and biogenic methane but little oil.
Catagenesis (about 60-150°C, the oil window) thermally cracks kerogen into liquid petroleum and wet gas.
Metagenesis (above about 150°C) produces only dry gas and residual carbon, so the principal oil-generating stage is catagenesis.
Hence, Catagenesis.
What will be the focal length of the camera when the scale of the aerial photograph is 1:4500, the flying height of the aircraft is 3780 meters above MSL and the average height of the terrain is 820 meters above sea level ?
A geographic boundary marking the limits of the potential distribution of species is sometimes referred to as :
Granitoids with high magnesium composition that are commonly formed by plate collusion events in Archaean are called :
Banded iron formation closely related to glaciogenic marine sediments are called :
Which one of the following ore minerals show internal reflection ?
Which of the following is not a type of VHMS deposit ?
Self potential method is the most suitable method for prospecting of :
According to Zingg diagram _____ particles have a flattened cylindrical or disk-like shape such that one axis is much shorter than the other two with a ≈ b << c
A building is to be founded on a clay stratum. The water table is practically at ground surface level. Laboratory test show that the unit weight of the soil is r = 20 kN/m3 and classify the soil as a firm clay. The uniaxial compressive strength is qu = 150 kN/m2. Suppose that the footing will be square, 2 m wide, and the foundation depth will be 2 m below the ground surface, calculate the ultimate bearing capacity.
In a soil mechanics and engineering project, a stratigraphic column below the horizontal ground level of a wide valley is formed by 3 m of coarse gravels over a 12 m clay deposit. Below the clay is a highly permeable fractured sandstone. The water table in the gravel layer is 0.6 m below ground surface. In the sandstone substratum artesian condition with a piezometric height of 6 m above ground level exist. The gravel layer is very permeable and assumed to be hydrostatic. Determine the pore water pressure distribution.
.................... is a client server application that identifies each host on the internet with a unique user-friendly name.
Every OS has a ................ or .......... which primarily resides in the main memory of the computer to perform some of the basic functions of the OS.
(i) Kernel
(ii) Interface
(iii) Nucleus
(iv) Compiler
Codes:
Which of the following are referred to as low level language?
(i) Machine language
(ii) Assembly language
(iii) High level language
(iv) Natural language
Codes:
Match the following:
| List I | List II |
| (a) New York Public Library | (i) Shelv AR |
| (b) Miami University Augmented Research Group | (ii) Smart library |
| (c) Oula University Library | (iii) Wolf Walk |
| (d) North Carolina State University | (iv) Find the future |
Codes:
Which part of the QR code represents the encoded data?