MCQ Questions Mechanical Engineering Steam Boilers, Engines, Nozzles and Turbines

Take a look at these MCQ Questions Steam Boilers, Engines, Nozzles and Turbines for engineering interview questions and our tips on how to answer them. If you’re applying for an engineering internship, graduate scheme or entry-level job, you’ll face at least one interview as part of an engineering employer’s recruitment process. You may be interviewed by one or more members of the HR team, senior members of the engineering team you’d be joining or a mixture of both. In this section we will study MCQ Questions Mechanical Engineering Steam Boilers, Engines, Nozzles and Turbines.

As well as questions about your reasons for applying to the role and the employer in question, engineering recruiters will be assessing your potential in the areas that is crucial to any engineering role: technical expertise. Engineers may be asked to perform feats of fantastic technical prowess, but it will be as as part of a Justice League rather than as a solo engineering super hero.

The interviewer is almost as nervous as the candidate in most interviews. You might wonder if you look confident enough, if you will hire the right person, or if you are asking the right engineering interview questions. The last question is arguably the most crucial part to worry about when you’re interviewing candidates.

MCQ Questions Mechanical Engineering Steam Boilers, Engines, Nozzles and Turbines - Set - 3

Question 1:

Latent heat of dry steam at atmospheric pressure is equal to
(a) 539 kcal/kg
(b) 539 BTU/lb
(c) 427 kcal/kg
(d) 100 kcal/kg

Check Answer

Correct Answer – (A)

Question 2 :

In a throttling process
(a) heat transfer takes place
(b) work is done by the expanding steam
(c) internal energy of steam changes
(d) none of the above

Check Answer

Correct Answer – (D)

Question 3 :

The dry saturated steam at very high pressure (150-200 kg/cm2) when throttled to atmosphere will become
(a) wet
(b) superheated
(c) remain dry saturated
(d) dry

Check Answer

Correct Answer – (A)

Question 4 :

The dry saturated steam at very low pressure, (5-10 kg/cm2) when throttled to atmosphere will become
(a) wet
(b) superheated
(c) remain dry satruated
(d) dry

Check Answer

Correct Answer – (B)

Question 5 :

On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by
(a) horizontal straight line
(b) vertical straight line
(c) straight inclined line
(d) curved line

Check Answer

Correct Answer – (A)

MCQ Questions Mechanical Engineering Steam Boilers, Engines, Nozzles and Turbines

Question 6:

The pressure at which latent heat of vaporisation of water is zero, is
(a) 225.6 kg/cm²
(b) 1 kg/cm²
(c) 100 kg/cm²
(d) 170 kg/cm²

Check Answer

Correct Answer – (A)

Question 7:

In a throttling process
(a) steam temperature remaisn constant
(b) steam pressure remains constant
(c) steam enthalpy remains constant
(d) steam entropy remains constant

Check Answer

Correct Answer – (C)

Question 8:

Water at pressure of 4 kg/cm2 and 160°C temperature when exposed to atmosphere will
(a) boil
(b) flash i.e. get converted into steam
(c) remain as it was
(d) cool down

Check Answer

Correct Answer – (B)

Question 9:

The bituminous coal is non-caking if its carbon content is
(a) 78-81%
(b) 81-85%
(c) 85-90%
(d) 90-95%

Check Answer

Correct Answer – (A)

Question 10:

On Millier chart, the constant pressure lines
(a) diverge from left to right
(b) diverge from right to left
(c) are equally spaced throughout
(d) first rise up and then fall

Check Answer

Correct Answer – (A)

MCQ Questions Mechanical Engineering Steam Boilers, Engines, Nozzles and Turbines

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