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⚡ Graduate Aptitude Test in Engineering

GATE ME Exam Portal

Master high-yield GATE Mechanical Engineering topics with Previous Year Questions, Daily Practice, Question Khazana (30-Year PYQs), and Virtual Calculator Mock Tests.

Module 01 • Recommended
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GATE ME Previous Year Questions

Official 39 Solved Papers Catalog. Practice 4 ways: Topic-wise chapter accordions, Subject-wise question banks, Year-wise full papers, or the Interactive Solver.

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Module 02 • Daily Speed
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Daily Quiz

Solve daily 3 high-yield numericals, maintain your 7-day flame streak & calendar with virtual calculator integration!

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Module 03 • Simulation
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Mock Test Simulator

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Module 04 • High Yield
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PYQ Analyser & Trends

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🎯 Today's GATE ME Practice Target

Q1. A reversible heat engine operates between reservoirs at 600 K and 300 K. It absorbs 1200 kJ of heat from the high temperature reservoir. What is the work output produced? GATE ME • Thermodynamics
💡 Solution (Option B): Efficiency of reversible Carnot engine η = 1 - (T_C / T_H) = 1 - (300 / 600) = 0.50 (50%). Work output W = η × Q_in = 0.50 × 1200 kJ = 600 kJ.
Q2. A simply supported beam of length L carries a uniformly distributed load (UDL) of intensity w per unit length over its entire span. What is the maximum bending moment in the beam? GATE ME • Strength of Materials
💡 Solution (Option B): Reactions at supports are R_A = R_B = wL / 2. Shear force is zero at mid-span (x = L/2). Maximum bending moment occurs at mid-span: M_max = (wL/2)*(L/2) - w*(L/2)*(L/4) = wL²/4 - wL²/8 = wL² / 8.
Q3. In laminar flow through a circular pipe of diameter D, if the mean flow velocity is doubled, what happens to the head loss due to friction over length L? GATE ME • Fluid Mechanics
💡 Solution (Option A): For laminar flow (Hagen-Poiseuille equation), head loss is h_f = 32 μ V L / (ρ g D²). Head loss is directly proportional to velocity V (h_f ∝ V) because friction factor f = 64/Re = 64/(ρVD/μ), so f*V² ∝ (1/V)*V² = V. Thus, when velocity doubles, head loss doubles!

📚 GATE 30-Year PYQ Khazana & Topper Registers

Thermodynamics & Thermal Sciences

First & Second Laws, availability/exergy, pure substance steam tables, Otto/Diesel/Dual cycles, psychrometry charts, and heat exchanger LMTD & NTU methods.

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SOM, Machine Design & TOM

Principal stresses, theories of failure (Tresca, Von Mises), deflection of beams, gear trains, epicyclic velocity ratios, flywheels, governors, and bearing life formulas.

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Fluid Mechanics & Manufacturing

Boundary layer thickness, drag & lift, hydraulic turbines, Merchant circle diagram in metal cutting, casting solidification time (Chvorinov rule), and welding heat input.

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