1000+ Chemical Engineering MCQ Questions and Answers Pdf - 3

Question: 11

Which of the following coke has the least percentage of ash?

(A) metallurgical coke

(B) foundry coke

(C) beehive coke

(D) petroleum coke

Question: 12

Calorific value as determined by bomb calorimeter is the

(A) net calorific value at constant volume

(B) lower calorific value at constant pressure

(C) higher calorific value at constant volume

(D) gross calorific value at constant pressure

Question: 13

Which of the following has the highest flame speed?

(A) C₂H₆

(B) CH₄

(C) CO

(D) H₂

Question: 14

Wobbe index is a characteristic of

(A) fat coals

(B) liquid fuels

(C) gaseous fuels

(D) solid fuels

Question: 15

______ prohibits the use of alcohols directly in petrol engines.

(A) Low calorific value

(B) Low flash point

(C) Low octane number

(D) High cost and availability