Chemical Engineering - Chemical Engineering Basics

46. 

The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is

A. conduction
B. convection
C. both'a' & 'b'
D. radiation

Answer: Option D

Explanation:

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47. 

Which of the following is an inedible oil ?

A. Corn oil
B. Tallow oil
C. Olive oil
D. Cotton seed oil

Answer: Option B

Explanation:

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48. 

Light year is the unit of

A. distance
B. time
C. intensity of light
D. none of these

Answer: Option A

Explanation:

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49. 

Ingrannular corrosion occurs __________ stainless steel.

A. in all types of steels except
B. at the surface of
C. along grain boundaries of
D. in the core of

Answer: Option C

Explanation:

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50. 

In case of fluid moving machineries, the relationship between saturation temperature and pressure decides the process of

A. water hammer
B. cavitation
C. flow separation
D. turbulent mixing

Answer: Option B

Explanation:

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