Renewable Energy Engineering (2181910) MCQs

MCQs of Bio Energy

Showing 21 to 30 out of 35 Questions
1 2 3 4
21.

The percentage of carbondioxide in the bio methane is ____________.

(a)

30-40
(b)

32-43
(c)

35-45
(d)

55-60
Answer:

Option (b)

22.
A device for converting substances (chemically or physically) into gas is called ______
(a) gasifiers
(b) biogas plants
(c) draughts
(d) gas chambers
Answer:

Option (a)

23.
Which is the oldest and simplest type of gasifier?
(a) Counter-current gasifier
(b) Cross-draught gasifier
(c) Co-current gasifier
(d) Fluidized bed gasifier
Answer:

Option (a)

24.
How many types of gasifiers are there?
(a) 2
(b) 3
(c) 4
(d) 5
Answer:

Option (c)

25.
Which is the gasifier that can be operated in small scale/amounts?
(a) Counter-current gasifier
(b) Cross-draught gasifier
(c) Co-current gasifier
(d) Fluidized bed gasifier
Answer:

Option (b)

26.
Which is the gasifier that can be operated in small scale/amounts?
(a) Counter- current gasifier
(b) Cross-draught gasifier
(c) Co-current gasifier
(d) Fluidized bed gasifier
Answer:

Option (b)

27.
Which gasifier has better tar converting capacity?
(a) Counter-current gasifier
(b) Cross-draught gasifier
(c) Co-current gasifier
(d) Fluidized bed gasifier
Answer:

Option (c)

28.

Biogas produced from anaerobic fermentation contains

(a)

CH4 and CO2
(b)

CH4 and CO
(c)

CH4 and N2
(d)

H2, CO and N2
Answer:

Option (a)

29.

The biogasification is a process referred to as

(a)

Aerobic combustion
(b)

Anaerobic combustion
(c)

Fermentation
(d)

Thermo-chemical gasification
Answer:

Option (b)

30.

In anaerobic digestion, the end product is,

(a)

Carbon monoxide
(b)

Hydrogen
(c)

Methane
(d)

Freon
Answer:

Option (c)

Showing 21 to 30 out of 35 Questions
1 2 3 4