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 7 of 15

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Q61.
The critical pressure ratio for gases is
Discuss
Answer: (a).0.528
Q62.
The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine.
Discuss
Answer: (b).less
Discuss
Answer: (d).all of these
Discuss
Answer: (c).decrease the mass flow rate and to decrease the wetness of steam
Q65.
The ratio of the workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam is called
Discuss
Answer: (c).stage efficiency
Discuss
Answer: (a).workdone on the blades to the energy supplied to the blades
Q67.
The Rankine efficiency depends upon total useful heat drop and total isentropic heat drop.
Discuss
Answer: (b).Incorrect
Q68.
Blading efficiency is also known as
Discuss
Answer: (b).diagram efficiency
Q69.
The pressure of steam, in reaction turbines, is reduced in the fixed blades as well as in moving blades.
Discuss
Answer: (a).Correct
Q70.
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