CHEMICAL ENGINEERING

Air-petrol ratio for maximum power generation in spark ignition engine is about_____________________?

Byadmin February 7, 2019August 20, 2021

Air-petrol ratio for maximum power generation in spark ignition engine is about_____________________?

A. 6 : 1
B. 12 : 1
C. 18 : 1
D. 24 : 1

CHEMICAL ENGINEERING | Fertiliser Technology

Catalyst used in the oxidation of ammonia is

Question: Catalyst used in the oxidation of ammonia is
[A].

platinum-beryllium
[B].
platinum-rhodium
[C].
cobalt-molybdenum
[D].
platinum-molybdenum

Answer: Option B

Explanation:

No answer description available for this question.

Read More Catalyst used in the oxidation of ammonia is
CHEMICAL ENGINEERING | Mass Transfer

In distillation, overhead product contains

Question: In distillation, overhead product contains
[A].

only one component
[B].
two components
[C].
any number of components
[D].
only saturated liquid

Answer: Option C

Explanation:

No answer description available for this question.

Read More In distillation, overhead product contains
CHEMICAL ENGINEERING

Which of the following is not a characteristic observed in material failure by fatigue fracture ?

Which of the following is not a characteristic observed in material failure by fatigue fracture ?

A. Plastic deformation of material does not occur
B. Initiation of crack from below the surface does not occur
C. Initiation of crack occurs on the surface of the machine part
D. Presence of both rough & smooth zone with conchoidal markings in smooth zone of the

Read More Which of the following is not a characteristic observed in material failure by fatigue fracture ?
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system __________ as its mole fraction increases.

Question: For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system __________ as its mole fraction increases.
[A].

decreases
[B].
increases
[C].
remains same
[D].
decreases linearly

Answer: Option B

Explanation:

No answer description available for this question.

Read More For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system __________ as its mole fraction increases.
CHEMICAL ENGINEERING | Materials and Construction

Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is

Question: Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is
[A].

used for making axle & shafts of aeroplanes, automobiles and locomotives.
[B].
having poor fatigue resistance.
[C].
having poor toughness.
[D].
not helpful in producing cleaner steel due to oxidising action of vanadium.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is
CHEMICAL ENGINEERING | Fluid Mechanics

Choking in case of pipe flow means that a

Question: Choking in case of pipe flow means that a
[A].

specified mass flow rate can not be achieved.
[B].
valve is closed in the line.
[C].
restriction in flow cross-section area occurs.
[D].
none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Choking in case of pipe flow means that a