25-Nav-B1 Applied Thermodynamics and Heat Transfer (25-Mec-A1)
Worked solutions to 4 past sittings (2013–2016), 24 questions. Pick a sitting, or start from a topic below.
Topics across the sittings
Topics that come up in more than one sitting, taken from the headings of our worked solutions. A topic counts once per sitting.
- Deflection (4 sittings): December 2016 Q5 · May 2016 Q5 · December 2013 Q2 · May 2013 Q3
- Fatigue Diameter (3 sittings): December 2016 Q5 · May 2016 Q5 · May 2013 Q3
- Impact Stress (3 sittings): December 2016 Q2 · December 2013 Q5 · May 2013 Q2
- Overhung Diving Board (3 sittings): December 2016 Q2 · December 2013 Q5 · May 2013 Q2
- Critical Speed (2 sittings): December 2016 Q4 · December 2013 Q2
- Preload (2 sittings): December 2016 Q6 · May 2013 Q5
- Safety factor (2 sittings): December 2016 Q2 · May 2013 Q2
- Short-Answer Set (2 sittings): December 2016 Q1 · May 2016 Q1
Questions by sitting
December 2016
- Question 1: Short-Answer Set — Proof Stress, Hollow Shafts, Mean Stress & Biaxial Yield
- Question 2: Overhung Diving Board — Impact Stress and Safety Factor
- Question 3: Double Short-Shoe External Drum Brake
- Question 4: Stepped Round Shaft — Maximum Deflection and Critical Speed
- Question 5: Overhung Rotating Shaft — Fatigue Diameter and Deflection
- Question 6: Bolted Tension Joint — Bolt Size, Preload and Safety Factors
May 2016
- Question 1: Short-Answer Set — Green Design, Shafts, Bearings & Yield Criteria
- Question 2: Twin Acme Power Screws Raising a Sluice Gate
- Question 3: Simply Supported Round Beam — Reactions, SFD/BMD, Bending Stress
- Question 4: Single-Surface Disk Clutch Design (Uniform Wear)
- Question 5: Rotating Shaft — Fatigue Diameter and Deflections
- Question 6: Notched Bar in Axial Fatigue
December 2013
- Question 1: Short-Answer Concepts
- Question 2: Stepped Shaft — Deflection and Critical Speed
- Question 3: Bolted-Joint Design and Optimum Preload
- Question 4: Journal Bearing Sized by No-Load (Petroff) Friction
- Question 5: Overhung Diving Board — Impact Stress
- Question 6: Single Short-Shoe Drum Brake
May 2013
- Question 1: Short-answer fundamentals
- Question 2: Overhung diving board — impact stress and safety factor
- Question 3: Two-gear shaft — fatigue diameter and deflection
- Question 4: Journal bearing sized by no-load (Petroff) power loss
- Question 5: Bolted cylinder-head joint — preload and bolt grade
- Question 6: Short-shoe external drum brake — torque, actuation, self-locking