Acetylene MCQs : This section focuses on the "Acetylene". These Multiple Choice Questions (MCQs) should be practiced to improve the Acetylene skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Acetylene and its dimer are absorbed are absorbed into which of the following mentioned?
A. Cold dimethyl formamide
B. Hot dimethyl formamide
C. Cold sodium amalgam
D. Hot sodium amalgam
Question 2
Acetylene from calcium carbide is produced in how many ways?
A. 1
B. 2
C. 3
D. 4
Question 3
Calculate the approximate Molecular weight of acetylene. C – 12, H – 1.
A. 26
B. 27
C. 28
D. 29
Question 4
In which of the following methods can acetylene be produced from petroleum hydrocarbons?
A. Partial or stage-wise combustion
B. Pyrolysis
C. Arc process
D. All of the mentioned
Question 5
In the process of manufacturing of acetylene from hydrocarbon feed, what is the residence time in the furnace?
A. 0.02-0.04 second
B. 0.04-0.06 second
C. 0.06-0.08 second
D. 0.08-0.1 second
Question 6
To what temperature is the hydrocarbon feed and oxygen preheated in one stage burner?
A. 500 Celsius
B. 550 Celsius
C. 600 Celsius
D. 650 Celsius
Question 7
What is the chemical formula of acetylene?
A. C3H3
B. C4H4
C. C2H2
D. C4H4
Question 8
Which of the mentioned characteristics is true for acetylene?
A. Explosive
B. Toxic
C. Medicinal
D. Edible
Question 9
Which of the mentioned is a major problem for production of acetylene from Calcium carbide?
A. Choice of lime
B. Waste disposal of lime residue
C. Temperature and pressure control in generators
D. All of the mentioned
Question 10
Which of the mentioned makes production of acetylene from CaC2 economical?
A. Cheap power
B. Ample limestone
C. Adequate waste disposal facilities
D. All of the mentioned