CSS :: Agricultural Engineering

@ : Home > Agriculture > Agricultural Engineering

For students in search of

1291.

If the pH range of slurry is between 4 and 6 the slurry is:

A.	Acidic	B.	Alkaline
C.	Neutral	D.	None of these

1292.

The proportion of wet cow dung and water in slurry seed to the digester is

A.	1;1	B.	1;2
C.	1;3	D.	1;4

1293.

The quantity of gas produced by one kg of dry dung is about:

A.	0.156 m3	B.	0.160 m3
C.	0.175 m3	D.	0.186 m3

1294.

In a 30 days of retention period, the production of gas/kg of fresh dung is:

A.	0.04 m3	B.	0.05 m3
C.	0.06 m3	D.	0.08 m3

1295.

Biogas can be used to operate:

A.	SI engine	B.	CI engine
C.	Both SI and CI engine	D.	Not possible to operate engine

1296.

Heat value of the gas produced in gas fire is about:

A.	950-1200 kcal/m3	B.	1000-1300 kcal/m3
C.	1200-1500 kcal/m3	D.	1500-1800 kcal/m3

1297.

The hoiling temperature of methanol is:

A.	45?C	B.	65?C
C.	47?C	D.	85?C

1298.

In anaerobic digestion, biogas production by bacterial decomposition is:

A.	Presence of oxygen	B.	Absence of oxygen
C.	Presence of CO2	D.	Absence of CO2

1299.

The wet process of biomass digestion involves:

A.	Pyrolysis and Gasification	B.	Hydrogenation and liquefication
C.	Liquenfication and pyrolysis	D.	Anaerobic digestion and fermentation

1300.

The dry process of biomass digestion involves:

A.	Pyrolysis and liquenfication	B.	Anaerobic digestion and fermentation
C.	Fermentation and pyrolysis	D.	All are correct