CHEMICAL ENGINEERING | Chemical Engineering Basics

During brazing, if the fluxes are entrapped, it results in the

Byadmin August 8, 2022

Question: During brazing, if the fluxes are entrapped, it results in the
[A].

distortion of brazed joints.

[B].

cracking of joints.

[C].

presence of gas pockets.

[D].

corrosion.

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ of air does not increase with increase in temperature.

Question: __________ of air does not increase with increase in temperature.
[A].

Density
[B].
Thermal diffusivity
[C].
Viscosity
[D].
Thermal conductivity

Answer: Option A

Explanation:

No answer description available for this question.

Read More __________ of air does not increase with increase in temperature.
Chemical Engineering Basics

For dynamic strain measurement, the Wheatstone bridge used is of ______________ type ?

For dynamic strain measurement, the Wheatstone bridge used is of ______________ type ?

A. Voltage sensitive null
B. Voltage sensitive deflected
C. Current sensitive deflected
D. None of these

Read More For dynamic strain measurement, the Wheatstone bridge used is of ______________ type ?
Chemical Engineering Basics

____________________ are normally subjected to sub-zero treatment?

____________________ are normally subjected to sub-zero treatment?

A. Highly stressed parts
B. Gauges or precision parts
C. Cold rolled sheets
D. Non machinable materials

Read More ____________________ are normally subjected to sub-zero treatment?
CHEMICAL ENGINEERING | Fluid Mechanics

Which of the following relationship is valid for the equilibrium position of the float in a rotameter ?(where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)

Question: Which of the following relationship is valid for the equilibrium position of the float in a rotameter ?(where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)
[A].

Df + Bf = Wf
[B].
Df = Bf + Wf
[C].
Df + Bf + Wf =0
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Which of the following relationship is valid for the equilibrium position of the float in a rotameter ?(where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)
CHEMICAL ENGINEERING | Heat Transfer

During crystallisation, formation of crystal can occur in __________ solution only.

Question: During crystallisation, formation of crystal can occur in __________ solution only.
[A].

saturated
[B].
supersaturated
[C].
undersaturated
[D].
all (a), (b) and (c)

Answer: Option B

Explanation:

No answer description available for this question.

Read More During crystallisation, formation of crystal can occur in __________ solution only.
CHEMICAL ENGINEERING | Fuels and Combustion

As the C/H ratio of the fuel increases, the amount of CO2 formed on combustion __________ for the same percentage of excess air.

Question: As the C/H ratio of the fuel increases, the amount of CO2 formed on combustion __________ for the same percentage of excess air.
[A].

decreases
[B].
increases
[C].
remains same
[D].
may increase or decrease depending on the type of fuel

Answer: Option B

Explanation:

No answer description available for this question.

Read More As the C/H ratio of the fuel increases, the amount of CO2 formed on combustion __________ for the same percentage of excess air.

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