Steam Boilers and Engines MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Steam Boilers and Engines, 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 Boilers and Engines 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 Boilers and Engines mcq questions that explore various aspects of Steam Boilers and Engines problems. Each MCQ is crafted to challenge your understanding of Steam Boilers and Engines 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 Boilers and Engines 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 Boilers and Engines. 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 Boilers and Engines knowledge to the test? Let's get started with our carefully curated MCQs!

Steam Boilers and Engines MCQs | Page 13 of 25

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Q121.
In cross compounding, the cylinders are arranged

a.

side by side and each cylinder has common piston, connecting rod and crank

b.

side by side and each cylinder has separate piston, connecting rod and crank

c.

at 90° and each cylinder has common piston, connecting rod and crank

d.

at 90° and each cylinder has separate piston, connecting rod and crank

Discuss
Answer: (b).side by side and each cylinder has separate piston, connecting rod and crank
Q122.
The motion of a D-slide valve in a steam engine is simple harmonic.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (a).Yes
Q123.
A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as

a.

blow off cock

b.

fusible plug

c.

superheater

d.

stop valve

Discuss
Answer: (d).stop valve
Q124.
A single ended Scotch marine steam boiler may have one to four furnaces which enter from front end of the boiler.

a.

Correct

b.

Incorrect

c.

Can't say

d.

None of these

Discuss
Answer: (a).Correct
Q125.
The high steam and low water safety valve is used to blow off steam when the

a.

steam pressure exceeds the working pressure

b.

water level in the boiler becomes too low

c.

both (a) and (b)

d.

none of the above

Discuss
Answer: (c).both (a) and (b)
Q126.
The cylinder condensation or missing quantity may be reduced by

a.

the efficient steam jacketing of the cylinder walls

b.

superheating the steam supplied to the engine cylinder

c.

keeping the expansion ratio small in each cylinder

d.

all of the above

Discuss
Answer: (d).all of the above
Q127.
The actual vacuum in a condenser is equal to

a.

barometric pressure + actual pressure

b.

barometric pressure - actual pressure

c.

gauge pressure + atmospheric pressure

d.

gauge pressure - atmospheric pressure

Discuss
Answer: (b).barometric pressure - actual pressure
Q128.
The function of a superheater is to heat the feed water by utilising the heat in the exhaust flue gases before leaving through the chimney.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (b).No
Q129.
Willian's line follows the law (where b = A constant representing the shape of the Willian's line, a = Another constant i.e. no load consumption per hour, I.P. = Indicated power, and m = Steam consumption per hour)

a.

I.P. = a x m + b

b.

m = a + b x I.P.

c.

I.P. = b x m + a

d.

m = b/I.P. - a

Discuss
Answer: (b).m = a + b x I.P.
Q130.
When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by

a.

(h - hf1)/2257

b.

(h + hf1)/2257

c.

(h × hf1)/2257

d.

none of these

Discuss
Answer: (a).(h - hf1)/2257
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