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Exam Details

Mechanical Engineering (ME) 2012

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Questions 65
Duration 180 mins
Package Mechanical Engineering (ME) - Previous Year Papers

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Difficulty distribution

Easy 65 100%

Question type distribution

Multiple Choices 65 100%

Instructions

Mechanical Engineering (ME) 2012 – Instructions
  • Total number of questions: 65
  • 30 questions carry one mark each
  • 35 questions carry two marks each
  • Negative marking: 1/3 of the marks allotted to the question
  • Use of calculator is allowed
  • This is a proctored examination
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Syllabus

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Sample questions from this paper

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1
2012 · Unclassified
Mechanical Engineering (ME) 2012
Q.1 – Q.25 carry one mark each.

In abrasive jet machining, as the distance between the nozzle tip and the work surface increases, the material removal rate

A
increases continuously.
B
decreases continuously.
C
decreases, becomes stable and then increases.
D
increases, becomes stable and then decreases.
2
2012 · Unclassified
Mechanical Engineering (ME) 2012

Match the following metal forming processes with their associated stresses in the workpiece.

Metal forming processType of stress
1. CoiningP. Tensile
2. Wire DrawingQ. Shear
3. BlankingR. Tensile and compressive
4. Deep DrawingS. Compressive
A
1-S, 2-P, 3-Q, 4-R
B
1-S, 2-P, 3-R, 4-Q
C
1-P, 2-Q, 3-S, 4-R
D
1-P, 2-R, 3-Q, 4-S
3
2012 · Unclassified
Mechanical Engineering (ME) 2012

In an interchangeable assembly, shafts of size 25.0000410−0010 mm mate with holes of size 25.0000200−0020 mm. The maximum interference (in microns) in the assembly is

A
40
B
30
C
20
D
10
4
2012 · Unclassified
Mechanical Engineering (ME) 2012

During normalizing process of steel, the specimen is heated

A
between the upper and lower critical temperature and cooled in still air.
B
above the upper critical temperature and cooled in furnace.
C
above the upper critical temperature and cooled in still air.
D
between the upper and lower critical temperature and cooled in furnace.
5
2012 · Unclassified
Mechanical Engineering (ME) 2012

Oil flows through a 200 mm diameter horizontal cast iron pipe (friction factor, f = 0.0225) of length 500 m. The volumetric flow rate is 0.2 m3/s. The head loss (in m) due to friction is (assume g = 9.81 m/s2)

A
116.18
B
0.116
C
18.22
D
232.36
6
2012 · Unclassified
Mechanical Engineering (ME) 2012

For an opaque surface, the absorptivity (α), transmissivity (τ) and reflectivity (ρ) are related by the equation

A
α + ρ = τ
B
ρ + α + τ = 0
C
α + ρ = 1
D
α + ρ = 0