Mechanical Engineering MCQs

A. Same
B. More
C. Less
D. Depends on other factors

A. 1 : 1
B. 2 : 1
C. 4 : 1
D. 1:2

A. 2:l
B. 4:1
C. 61: 1
D. 9 : 1

A. Higher
B. Lower
C. Equal
D. Can’t be compared

A. At the base
B. At the tip
C. In the center
D. Between ~ to i of the blade height

A. Reheating
B. Inter cooling
C. Adding a regenerator
D. All of the above

A. Heated
B. Compressed air before entering the combustion chamber is heated
C. Bled gas from turbine is heated and readmitted for complete expansion
D. Exhaust gases drive the compressor

A. Increases
B. Decreases
C. First increases and then decreases
D. First decreases and then increases

A. Carbonisation of coal
B. Passing steam over incandescent coke
C. Passing air and a large amount of steam over waste coal at about 65°c
D. Partial combustion of caol, eke, anthractie coal or charcoal in a mixed air steam blast

A. 50%
B. 75%
C. 85%
D. 90%