Mechanical Engineering
Mechanical Engineering covers core subjects like Thermodynamics, Strength of Materials, Theory of Machines, Fluid Mechanics, Heat Transfer, RAC, Manufacturing, and Design. Explore MCQs, notes, formulas, and exam-focused study material for competitive and university exams.
Q31. Which boiler is water-tube type?
A. Cochran
B. Lancashire
C. Babcock and Wilcox
D. Firebox
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Q32. Viscosity is the property of?
A. Resistance to temperature
B. Resistance to flow
C. Resistance to heat
D. Density
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Q33. Which law explains pressure increase in an enclosed fluid?
A. Boyle law
B. Pascal law
C. Hooke law
D. Joule law
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Q34. The air standard efficiency of Otto cycle depends on?
A. Fuel used
B. Compression ratio
C. Engine size
D. Cylinder material
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Q35. Which bearing has rolling elements?
A. Sleeve bearing
B. Ball bearing
C. Journal bearing
D. Pad bearing
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Q36. Which machining process removes material chemically?
A. Etching
B. Grinding
C. Facing
D. Turning
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Q37. The device converting heat energy into mechanical energy is?
A. Pump
B. Compressor
C. Engine
D. Turbine
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Q38. A mechanism with no degrees of freedom is called?
A. Machine
B. Mechanism
C. Structure
D. Chain
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Q39. Which boiler part stores steam?
A. Economizer
B. Superheater
C. Drum
D. Burner
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