Chemical Engineering - Chemical Engineering Basics

1. 

The instrument based on the following principle is used for the measurement of oxygen only in the flue gases.

A. Chemical absorption.
B. Thermal conductivity.
C. Infrared absorption.
D. Paramagnetism.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

2. 

Work study deals with the __________ study.

A. time
B. motion
C. both (a) & (b)
D. neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

3. 

Maximum change in the hardness of mar tensite occurs in the carbon content range of __________ percent in steel.

A. 0.01 to 0.10
B. 0.2 to 0.4
C. 0.5 to 0.7
D. 0.8 to 1.0

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

4. 

Knocking tendency in a petrol engine decreases with increasing

A. supercharging
B. compression ratio
C. wall temperature
D. engine speed

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

5. 

Hooke's law

A. applies to elastic deformation.
B. applies beyond limit of proportionality in stress-strain curve.
C. states that stress is inversely proportional to strain upto elastic limit.
D. noneofthese.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

1 2 3 4 5 6 7 8 9 10 Next »