Urea autoclave is made of

Temperature and pressure in urea autoclave is

A

120°C and 300 atm

B

190°C and 200 atm

C

400°C and 550 atm

D

200°C and 10 atm

The composition of fresh feed to the high temperature, high pressure urea autoclave is

A

Excess liquid ammonia and liquefied CO₂

B

Excess liquid ammonia and compressed CO₂ gas

C

Liquid ammonia and excess compressed CO₂

D

Compressed ammonia gas and excess compressed CO₂

Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in

A

Low bulk density product

B

Biuret formation

C

Non-spherical prills

D

Substantially wet non-flowing and sticky product

Autoclave এর কাজ-

A

ভাইরাস ধ্বংশ করা

B

টিটেনাস জীবানু মারা

C

ফাংগাস ধ্বংশ করা

D

সব জীবানু সম্পূর্ণ ধ্বংশ করা

A reactor is generally termed as an autoclave, when it is a

A

High pressure batch reactor

B

Atmospheric pressure tank reactor

C

High pressure tubular reactor

D

Atmospheric pressure CSTR

The reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are

A

1

B

2

C

3

D

0

Which bacteria do not destroy without autoclave?

A

Aerobic bacteria

B

Anaerobic bacteria

C

Spore bearing bacteria

D

Rod shape bacteria

If you analyze Urea will never find ----.

A

Sulphar

B

Nitrogen

C

Hydrogen

D

Carbon

principal site of urea production is-

A

Kidney

B

liver

C

brain

D

pancreas

Serum urea may increase in

A

Reduced GFR

B

High protein diet

C

Use of corticosteroid

D

Pregnancy

E

Chronic liver disease

Urea autoclave is made of

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