Question 1
Standard atmospheric pressure used in MCA Applied Heat is 1.01325 bar. What is this pressure expressed in N/m² (Pa)?
Correct Answer:
1.01325 × 10⁵ N/m²
Question 2
A boiler gauge reads 15.5 bar (gauge). Taking atmospheric pressure as 1.0 bar, what is the absolute pressure in the boiler?
Correct Answer:
16.5 bar absolute
Question 3
A mercury manometer shows a vacuum of 250 mm Hg below atmospheric pressure. Taking atmospheric pressure as 760 mm Hg and 760 mm Hg = 1.013 bar, what is the absolute pressure in the vessel?
Correct Answer:
0.680 bar abs
Question 4
Convert 180°C to the absolute temperature scale (kelvin) for use in gas-law calculations.
Correct Answer:
453 K
Question 5
Heat energy required to raise the temperature of 12 kg of water from 20°C to 80°C is (c for water = 4.2 kJ/kg·K):
Correct Answer:
3024 kJ
Question 1
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About this Exam

Prepare with the MCA Second Engineer Applied Heat Practice Questions - MCA Second Engineer - Applied Heat (SQA Written Examination, STCW III 2) Exam practice quiz. This question bank includes 100 questions covering heat, closest, power, energy, and efficiency. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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MCA Second Engineer Applied Heat Practice Questions - MCA Second Engineer - Applied Heat (SQA Written Examination, STCW III 2) Exam

This practice set contains 100 questions from the matching question bank and focuses on heat, closest, power, energy, and efficiency. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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