Steam Nozzles and Turbines MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Steam Nozzles and Turbines, a fundamental topic in the field of Mechanical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Steam Nozzles and Turbines MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Steam Nozzles and Turbines mcq questions that explore various aspects of Steam Nozzles and Turbines problems. Each MCQ is crafted to challenge your understanding of Steam Nozzles and Turbines principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Mechanical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Steam Nozzles and Turbines MCQs are your pathway to success in mastering this essential Mechanical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Steam Nozzles and Turbines. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Steam Nozzles and Turbines knowledge to the test? Let's get started with our carefully curated MCQs!

Steam Nozzles and Turbines MCQs | Page 12 of 15

Q111.
The expansion of steam in a nozzle follows
Discuss
Answer: (b).Rankine cycle
Q112.
The blade friction in the impulse turbine reduces the velocity of steam by __________ while it passes over the blades.
Discuss
Answer: (a).10 to 15%
Discuss
Answer: (d).all of the above
Q114.
The expansion of steam, as it flows over the blades in reaction turbine, represents
Discuss
Answer: (b).isentropic process
Q115.
The critical pressure ratio for initially superheated steam is __________ as compared to initially dry saturated steam.
Discuss
Answer: (b).less
Q116.
For a Parson's reaction turbine, if α1 and α2 are fixed blade angles at inlet and exit respectively and β1 and β2 are the moving blade angles at entrance and exit respectively, then
Discuss
Answer: (d).α1 = β2 and β1 = α2
Q117.
The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle)
Discuss
Answer: (b).cos² α
Q118.
The pressure compounded impulse turbine as compared to velocity compounded turbine require __________ number of stages.
Discuss
Answer: (c).more
Q119.
In a reaction turbine when the degree of reaction is zero, then there is
Discuss
Answer: (a).no heat drop in moving blades
Q120.
The effect of friction in the nozzle __________ dryness fraction of steam.
Discuss
Answer: (c).increases