1000+ Basic Chemical Engineering Questions and Answers Pdf - 2

Question: 6

Addition of _____ to steel cannot impart it high strength at elevated temperature.

(A) manganese

(B) silicon

(C) magnesium

(D) nickel

Question: 7

Thermal expansion of solid is employed in the temperature measurement by a

(A) resistance thermometer

(B) mercury thermometer

(C) thermocouple

(D) bimetallic thermometer

Question: 8

Which of the following is the most elastic material?

(A) plastic

(B) rubber

(C) steel

(D) glass

Question: 9

Water hammer in pipelines results, when the flowing fluid

(A) is suddenly brought to rest by closing a valve

(B) is brought to rest by gradually closing a valve

(C) has very high pressure

(D) has very high velocity

Question: 10

In an exothermic chemical reaction, the reactants compared to the products have

(A) less energy

(B) same energy

(C) more energy

(D) higher temperature