Explore topic-wise MCQs in Electrical Engineering Questions.

This section includes 302 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering Questions knowledge and support exam preparation. Choose a topic below to get started.

301.

The main source of production of biogas is__________________?
A. human waste
B. wet cow dung
C. wet livestock waste
D. all above
Answer» E.
Discussion
302.

The percentage 02 by volume in atmosphere air is____________?
A. 21%
B. 23%
C. 77%
D. 79%
Answer» B. 23%
Discussion