Home Topics Quiz Login

2 Stroke Engines MCQ Questions & Answers

2 Stroke Engines MCQs : This section focuses on the "2 Stroke Engines". These Multiple Choice Questions (MCQs) should be practiced to improve the 2 Stroke Engines skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

For two-stroke SI engine, the scavenging efficiency is 0.5, cylinder volume of 1200 cc and the scavenging density is 1.3 kg/m3. What is the mass flow rate of air per cycle?

A. 0.00072 kg/cycle
B. 0.00076 kg/cycle
C. 0.00074 kg/cycle
D. 0.00084 kg/cycle

View Answer

Question 2

How can a two-stroke engine identify by?

A. Piston size
B. Absence of valves
C. Cooling system
D. Lubrication system

View Answer

Question 3

How much power will two-stroke engine of the same size as the four-stroke engine develop at the same speed?

A. Four times the power
B. Twice the power
C. Half the power
D. Same power

View Answer

Question 4

The two-stroke engine is easy to manufacture.


View Answer

Question 5

What is the delivery ratio of the crankcase scavenged engine?

A. Greater than 1
B. Less than 1
C. Equal to 1
D. Greater than 2

View Answer

Question 6

What is the excess air factor in the case of a two-stroke engine if the delivery ratio is 1.7?

A. 1
B. 0.8
C. 0.7
D. 0.9

View Answer

Question 7

What is the scavenging efficiency for the perfect mixing if the delivery ratio is 1.5?

A. 80.73%
B. 81.73%
C. 82.73%
D. 84.73%

View Answer

Question 8

Which method of scavenging is used in two-wheelers without deflector type piston?

A. Cross scavenging
B. Reverse flow scavenging
C. Uniform scavenging
D. Loop scavenging

View Answer

Question 9

Which of the following is not an advantage of a two-stroke engine?

A. Not valves
B. Lighter flywheel
C. More uniform torque
D. No lubrication system

View Answer

Question 10

Which of the following is the most perfect method of scavenging?

A. Reverse flow scavenging
B. Loop scavenging
C. Uniform scavenging
D. Cross scavenging

View Answer