M C Q s D r i v e
03079682698
mcqsdrive@gmail.com
About
Contact

Contact Info

03079682698

mcqsdrive@gmail.com

Ad Banner

Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

thumb

Mechanical Engineering MCQs prepared for job test and interview preparation, especially for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover key topics such as Machine Design, Theory of Machines, Hydraulic Machines, and other important mechanical engineering concepts.

All Topics  1919

The closed cycle in gas turbines_________________?
A provides greater flexibility
B provides lesser flexibility
C in never used
D is used when gas is to be burnt
Correct Answer: provides greater flexibility
The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the_____________________?
A adiabatic temperature drop in the stage
B total temperature drop
C total temperature drop in the stage
D total adiabaitc temperature drop
Correct Answer: total temperature drop
A gas turbine used in air craft should have______________________?
A high h.p. and low weight
B low weight and small frontal area
C small frontal area and high h.p.
D high speed and high h.p.
Correct Answer: low weight and small frontal area
Producer gas is produced by_____________________?
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 coal, coke, anthracite coal or charcoal in a mixed air steam blast
Correct Answer: partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast
For an irreversible gas turbine cycle, the efficiency and work ratio both depend on___________________?
A pressure ratio alone
B maximum cycle temperature alone
C minimum cycle temperature alone
D both pressure ratio and maximum cycle temperature
Correct Answer: both pressure ratio and maximum cycle temperature
It is not possible to use closed gas turbine cycle in aeronautical engines because_________________ ?
A it is inefficient
B it is bulky
C it requires cooling water for its operation
D non of theses
Correct Answer: it requires cooling water for its operation
As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio_____________________?
A increases
B decreases
C remains same
D first increases and then decreases
Correct Answer: increases
The jnaximum combustion pressure in gas turbine as compared to I.C. engine is_________________?
A more
B less
C same
D depends on other factors
Correct Answer: less
The material commonly used for air craft gas turbine is__________________?
A stainless steel
B high alloy’ steel
C duralumin
D Timken, Haste and Inconel allpys
Correct Answer: Timken, Haste and Inconel allpys
The ideal efficiency of simple gas turbine cycle depends on________________?
A pressure ratio
B maximum cycle temperature
C minimum cycle temperature
D all of the above
Correct Answer: pressure ratio
03079682698
mcqsdrive@gmail.com

Copyright @ 2026 MCQsDrive . All Rights Reserved.