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.
Chemical absorption.
Thermal conductivity.
Infrared absorption.
Paramagnetism.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
Work study deals with the __________ study.
time
motion
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
Maximum change in the hardness of mar tensite occurs in the carbon content range of __________ percent in steel.
0.01 to 0.10
0.2 to 0.4
0.5 to 0.7
0.8 to 1.0
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
Knocking tendency in a petrol engine decreases with increasing
supercharging
compression ratio
wall temperature
engine speed
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
Hooke's law
applies to elastic deformation.
applies beyond limit of proportionality in stress-strain curve.
states that stress is inversely proportional to strain upto elastic limit.
noneofthese.
Answer: Option
Explanation:
No answer description is available. Let's discuss.