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ESE ME 2018 Exam: Practice Quiz 5

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Question 1

Babbit is an alloy of

Question 2

Direction: Each of the question consist of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:

Statement (I): Sand with grains of uniform round shape is preferred for preparing moulds.
Statement (II): If grains are large and irregular in shape, the air-venting property of the mould prepared with them would be better.

Question 3

In a double-pipe heat exchanger, the cold fluid is water inlet temperature 20⁰ C and mass flow rate 20 kg/s and the hot fluid water inlet temperature 80⁰ C and mass flow rate 10 kg/s. Assume that for water C_p = 4.2 kJ/kg⁰ C, outlet temperature to which the cold fluid can be heated in a parallel flow and in a counter flow heat exchanger?

Question 4

Which one of the following is correct?
Production, planning and control functions are extremely complex in____.

Question 5

Which of the following hardness tests uses the principle of measurement of depth of indentation for obtaining the hardness value of the material being tested?

Question 6

Assertion (A): Pickling and washing of rolled rods is carried out before wire drawing.
Reason (R): They lubricate the surface to reduce friction while drawing wires.

Question 7

The modulus of rigidity of an elastic material is found to be 38.5% of the value of its Young’s modulus. The poisson’s ratio μ of the material is nearly :

Question 8

What is the relationship between the linear elastic properties: Young’s modulus (E), rigidity modulus (G) and bulk modulus (K)?

Question 9

Piston reciprocating inside a cylinder is an example of:
i. Completely constrained motion
ii. Incompletely constrained motion
iii. Successful constrained motion

Question 10

The Cetane number of automotive diesel fuel used in India is in which one of the following ranges?

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Nov 20ESE & GATE ME