## GATE ME 2010 Paper | GATE Mechanical Engineer (ME) Paper 2010 | GATE 2010 ME Solved Paper

**1. Which of the following statements is INCORRECT?**

(A) Grashof’s rule states that for a planar crank-rocker four bar mechanism, the

sum of the shortest and longest link lengths cannot be less than the sum of

the remaining two link lengths.

(B) Inversions of a mechanism are created by fixing different links one at a time.

(C) Geneva mechanism is an intermittent motion device

(D) Gruebler’s criterion assumes mobility of a planar mechanism to be one

**2.** Tooth interference in an external involute spur gear pair can be reduced by

(A) decreasing center distance between gear pair

(B) decreasing module

(C) decreasing pressure angle

(D) increasing number of gear teeth

**3. For the stability of a floating body, under the influence of gravity alone, which of the following is TRUE?**

(A) Metacentre should be below centre of gravity

(B) Metacentre should be above centre of gravity

(C) Metacentre and centre of gravity must lie on the same horizontal line

(D) Metacentre and centre of gravity must lie on the same vertical line

**4.** The maximum velocity of a one-dimensional incompressible fully developed viscous flow, between two fixed parallel plates, is 6ms-1. The mean velocity (in ms-1) of the flow is

(A) 2 (B) 3 (C) 4 (D) 5

**5. **A phenomenon is modeled using n dimensional variables with k primary dimensions. The number of non-dimensional variables is

(A) k (B) n (C) n-k (D) n+k

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6.One kilogram of water at room temperature is brought into contact with a high temperature thermal reservoir. The entropy change of the universe is

(A) equal to entropy change of the reservoir

(B) equal to entropy change of water

(C) equal to zero

(D) always positive

**7.** A hydraulic turbine develops 1000kW power for a head of 40m. If the head is reduced to 20m, the power developed (in kW) is

(A) 177 (B) 354 (C) 500 (D) 707

**8. The material property which depends only on the basic crystal structure is**

(A) fatigue strength (B) work hardening

(C) fracture strength (D) elastic constant

**9. In a gating system, the ratio 1:2:4 represents**

(A) sprue base area: runner area: ingate area

(B) pouring basin area: ingate area: runner area

(C) sprue base area: ingate area: casting area

(D) runner area: ingate area: casting area

Click Here For Download GATE Mechanical Engineet (ME) 2010 Solved Paper

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