Chemical Engineering - Chemical Engineering Basics

16.
Difference at any instant between the value of the controlled variable and the set point is called the
deviation
derivative time
error ratio
differential gap
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
The expected efficiency of a single rivetted lap joint is of the order of 50%. If the thickness of the plate is increased four times, then the rivet diameter will have to be increased __________ times.
two
four
six
eight
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
Nickel and __________ are the alloying element added in steel to increase its toughness.
molybdenum
chromium
vanadium
silicon
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
Which of the following equipments is used for liquid dispersion ?
Packed column
Venturi scrubber
Bubble cap plate column
Wetted wall column
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
Eutectoid composition of carbon steel at room temperature is
cementite
pearlite
martensite
ferrite
Answer: Option
Explanation:
No answer description is available. Let's discuss.