Heat produced when a steady state current, I passes through an electrical conductor having resistance, ‘R’ is

Byadmin August 25, 2022

Question: Heat produced when a steady state current, I passes through an electrical conductor having resistance, ‘R’ is
[A].

[B].

I2R

[C].

IR2

[D].

I2R2

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fuels and Combustion

Mineral matter, ‘M’ and ash percentage ‘A’ in coal are roughly related as

Question: Mineral matter, ‘M’ and ash percentage ‘A’ in coal are roughly related as
[A].

M = 1.8 A
[B].
M = 0.5 A
[C].
M = 1.1 A
[D].
M = A

Answer: Option C

Explanation:

No answer description available for this question.

Read More Mineral matter, ‘M’ and ash percentage ‘A’ in coal are roughly related as
CHEMICAL ENGINEERING | Fertiliser Technology

In calcium ammonium nitrate (CAN) fertil-ser

Question: In calcium ammonium nitrate (CAN) fertil-ser
[A].

nitrate nitrogen is quick acting
[B].
ammoniacal nitrogen is quick acting
[C].
nitrate nitrogen is slower acting
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More In calcium ammonium nitrate (CAN) fertil-ser
CHEMICAL ENGINEERING | Fluid Mechanics

In case of hydraulically smooth pipe, the resistance to flow depends only on the Reynolds number, whereas for a hydraulically rough pipe, the resistance to flow is governed by the relative roughness. Two pipes are said to have the same hydraulic roughness, when they have equal values of

Question: In case of hydraulically smooth pipe, the resistance to flow depends only on the Reynolds number, whereas for a hydraulically rough pipe, the resistance to flow is governed by the relative roughness. Two pipes are said to have the same hydraulic roughness, when they have equal values of
[A].

relative roughness.
[B].
absolute roughness.
[C].
friction co-efficient for flows at equal Reynold number.
[D].
all (a), (b) & (c).

Answer: Option C

Explanation:

No answer description available for this question.

Read More In case of hydraulically smooth pipe, the resistance to flow depends only on the Reynolds number, whereas for a hydraulically rough pipe, the resistance to flow is governed by the relative roughness. Two pipes are said to have the same hydraulic roughness, when they have equal values of
CHEMICAL ENGINEERING | Fuels and Combustion

With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases.

Question: With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases.
[A].

hydrogen
[B].
methane
[C].
unsaturated hydrocarbons
[D].
all (a), (b) and (c)

Answer: Option A

Explanation:

No answer description available for this question.

Read More With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Which of the following represents the correct time-temperature curve when a block of metal is heated above room temperature & then left to cool in the room following Newton’s law of cooling in which the rate of temperature drop will go on decreasing with the passage of time.

Question: Which of the following represents the correct time-temperature curve when a block of metal is heated above room temperature & then left to cool in the room following Newton’s law of cooling in which the rate of temperature drop will go on decreasing with the passage of time.
[A].

[B].

[C].

[D].

Answer: Option C

Explanation:

No answer description available for this question.

Read More Which of the following represents the correct time-temperature curve when a block of metal is heated above room temperature & then left to cool in the room following Newton’s law of cooling in which the rate of temperature drop will go on decreasing with the passage of time.
CHEMICAL ENGINEERING | Chemical Process

Air used in aerobic fermentation must be sterilized, otherwise the

Question: Air used in aerobic fermentation must be sterilized, otherwise the
[A].

recovery of product will be difficult.
[B].
contamination of pure culture would result.
[C].
uniformity of product cannot be achieved.
[D].
none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Air used in aerobic fermentation must be sterilized, otherwise the

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