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 8 of 15

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Q71.
The Rankine efficiency depends upon total useful heat drop and total isentropic heat drop.
Discuss
Answer: (b).Incorrect
Q72.
Blading efficiency is also known as
Discuss
Answer: (b).diagram efficiency
Q73.
The pressure of steam, in reaction turbines, is reduced in the fixed blades as well as in moving blades.
Discuss
Answer: (a).Correct
Q74.
A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be
Discuss
Answer: (c).450 m/s
Q75.
In a De-Laval impulse turbine, the nozzle is kept very close to the blades.
Discuss
Answer: (a).Yes
Discuss
Answer: (d).in the divergent portion of the nozzle
Q77.
The pressure of steam at throat of a steam nozzle is called critical pressure.
Discuss
Answer: (a).Agree
Q78.
For maximum efficiency of an impulse turbine, the steam should leave the blades at right angles to their motion.
Discuss
Answer: (a).Correct
Discuss
Answer: (a).simple impulse turbine
Q80.
The impulse turbine rotor efficiency will have a maximum value of 0.5 cos² ฮฑ, where ฮฑ is the nozzle exit flow angle, if the
Discuss
Answer: (c).blades are equiangular and frictionless