CHEMICAL ENGINEERING

Shaft/rotor speed is most accurately measured by a_________________?

Byadmin February 7, 2019August 20, 2021

Shaft/rotor speed is most accurately measured by a_________________?

A. Frequency counter
B. Tachometer
C. Strobometer
D. Speedometer

CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ of test specimens is not involved in any hardness testing method.

Question: __________ of test specimens is not involved in any hardness testing method.
[A].

Fracture
[B].
Indentation
[C].
Wear
[D].
Scratch

Answer: Option A

Explanation:

No answer description available for this question.

Read More __________ of test specimens is not involved in any hardness testing method.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

Question: Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of
[A].

lumps
[B].
pellets
[C].
briquettes
[D].
sinter

Answer: Option B

Explanation:

No answer description available for this question.

Read More Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of
CHEMICAL ENGINEERING | Heat Transfer

If Prandtl number is greater than the Schmidt number, then the

Question: If Prandtl number is greater than the Schmidt number, then the
[A].

thermal boundary layer lies inside the concentration boundary layer.
[B].
concentration boundary layer lies inside the thermal boundary layer.
[C].
thermal & concentration boundary layers are of equal thickness.
[D].
hydrodynamic(i.e., momentum)boundary layer is thicker than the other two.

Answer: Option A

Explanation:

No answer description available for this question.

Read More If Prandtl number is greater than the Schmidt number, then the
CHEMICAL ENGINEERING | Materials and Construction

Corrosion resisting properties of cast iron are significantly improved by the addition of 12 – 15% of

Question: Corrosion resisting properties of cast iron are significantly improved by the addition of 12 – 15% of
[A].

tungsten
[B].
vanadium
[C].
silicon
[D].
all (a), (b) & (c)

Answer: Option C

Explanation:

No answer description available for this question.

Read More Corrosion resisting properties of cast iron are significantly improved by the addition of 12 – 15% of
CHEMICAL ENGINEERING | Chemical Reaction Engineering

A first order reaction requires two equal sized CSTR. The conversion is

Question: A first order reaction requires two equal sized CSTR. The conversion is
[A].

less when they are connected in series.
[B].
more when they are connected in series.
[C].
more when they are connected in parallel.
[D].
same whether they are connected in series or in parallel.

Answer: Option B

Explanation:

No answer description available for this question.

Read More A first order reaction requires two equal sized CSTR. The conversion is
CHEMICAL ENGINEERING | Fluid Mechanics

Mach number is the ratio of the speed of the

Question: Mach number is the ratio of the speed of the
[A].

fluid to that of the light.
[B].
light to that of the fluid.
[C].
fluid to that of the sound.
[D].
sound to that of the fluid.

Answer: Option C

Explanation:

No answer description available for this question.

Read More Mach number is the ratio of the speed of the

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