Explore topic-wise MCQs in Engineering Geology.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Geology knowledge and support exam preparation. Choose a topic below to get started.

1.

WHAT_IS_THE_DISTINGUISHING_CHARACTERISTIC_OF_MICROCLINE_AND_ORTHOCLASE??$

A. Colour
B. Streak
C. Chemical composition
D. Hardness
Answer» C. Chemical composition
2.

State true or false. Microcline can be easily distinguished from orthoclase.$

A. True
B. False
Answer» C.
3.

Which_of_the_following_is_not_true_about_plagioclase?$

A. It is composed of K mainly
B. It is composed of either Na, Ca, or Al
C. It is of massive or crystalline structure
D. It gives 2 sets of cleavages
Answer» B. It is composed of either Na, Ca, or Al
4.

What is the chemical composition of Orthoclase?

A. K Al O<sub>8</sub>
B. Ca Al Si<sub>3</sub>O<sub>8</sub>
C. K Al Si<sub>3</sub> O<sub>8</sub>
D. Ca Al O<sub>8</sub>
Answer» D. Ca Al O<sub>8</sub>
5.

The felspar minerals are free from

A. Iron
B. Iron and manganese
C. Magnesium
D. Iron and magnesium
Answer» E.
6.

How many groups are the felspar minerals classified into, on the basis of chemical composition?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
7.

The crystallographic system shown by felspar group is

A. Monoclinic
B. Triclinic
C. Rhomboclinic
D. Monoclinic and triclinic
Answer» E.
8.

In the atomic structure, each oxygen atom is shared by how many tetrahedra?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
9.

The chemical composition of the feldspar group is

A. Oxide
B. Aluminates
C. Silicates
D. Aluminosilicates
Answer» E.
10.

Felspar is found abundantly or in majority in which kind of rock?

A. Igneous rocks
B. Sedimentary rocks
C. Metamorphic rocks
D. Fossil rocks
Answer» B. Sedimentary rocks
11.

Which mineral group is abundantly found in the earth’s crust?

A. Mica group
B. Felspar group
C. Oxide group
D. Silicate group
Answer» C. Oxide group