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 - 2

Question 1:

A wet vapour can be completely specified by
(a) pressure only
(b) temperature only
(c) dryness fraction only
(d) pressure and dryness fraction.

Check Answer

Correct Answer – (D)

Question 2 :

The specific heat of superheated steam in kcal/kg is generally of the order of
(a) 0.1
(b) 0.3
(c) 0.5
(d) 0.8

Check Answer

Correct Answer – (C)

Question 3 :

One kg of steam sample contains 0.8 kg dry steam; it’s dryness fraction is
(a) 0.2
(b) 0.8
(c) 1.0
(d) 0.6

Check Answer

Correct Answer – (B)

Question 4 :

Sublimation region is the region where
(a) solid and vapour phases are in equilibrium
(b) solid and liquid phases are in equilibrium
(c) liquid and vapour phases are in equilibrium
(d) solid, liquid and vapour phases are in equilibrium

Check Answer

Correct Answer – (A)

Question 5 :

The equivalent evaporation of a boiler is a measure to compare
(a) the given boiler with the model
(b) the two different boilers of the same make
(c) two different makes of boilers operat¬ing under the same operating conditions
(d) any type of boilers operating under any conditions.

Check Answer

Correct Answer – (D)

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

Question 6:

On Mollier chart, flow through turbine is represented by ‘
(a) horizontal straight line
(b) vertical straight line
(c) straight inclined line
(d) curved line

Check Answer

Correct Answer – (B)

Question 7:

If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by
(a) throttling calorimeter
(b) separating calorimeter
(c) combined separating and throttling calorimeter
(d) bucket calorimeter

Check Answer

Correct Answer – (A)

Question 8:

Stoichiometric quantity of air is the
(a) air present in atmosphere at NTP conditions
(b) air required for complete combustion of fuel with no excess air
(c) air required for optimum combustion so as to have reasonable excess air
(d) air required to convert CO into CO₂

Check Answer

Correct Answer – (B)

Question 9:

The coal requirement per kW hour generation in the thermal power plant is of the order of
(a) 0.1 to 0.2 kg
(b) 0.2 to 0.4 kg
(c) 0.6 to 0.8 kg
(d) 1.0 to 1.5 kg

Check Answer

Correct Answer – (C)

Question 10:

The specific volume of steam with increase in pressure decreases
(a) linearly
(b) slowly first and then rapidly
(c) rapidly first and then slowly
(d) inversely

Check Answer

Correct Answer – (C)

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

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