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ESE ME 2018 Exam: Practice Quiz 7

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Question 1

Consider the following statements:
1) Lower pairs are more resistant than higher pairs in a plane mechanism.
2) In a 4-bar mechanism (with 4 turning pairs), when the link opposite to the shortest link is fixed, a double rocker mechanism results.
Which of these statements is/are correct?

Question 2

In an experiment, the following shear- time rate of shear strain values are obtained for a fluid: Time rate of shear
Strain (1/s) : 0 2 3 4
Shear stress(kPa) : 0 1.4 2.6 4
How can the fluid be classified ?

Question 3

What will be the vertical displacement of joint C in a truss with area of cross section in each members be 400mm2 & elasticity E as 200GPa.

Question 4

Consider the following statements for a composite material:
[1]. It is considered to be any multiple material that exhibits a significant proportion of the properties of both constituents.
[2]. Constituents phases in a composite must be chemically similar.
[3]. A matrix combined with a reinforcing material is used in composite.
[4]. Thermosetting epoxy resin is used as matrix for some kinds of composites.
Which of these statements are correct?

Question 5

Consider the following characteristics assembly line balancing:
1). apportionment of sequential work activities into work stations
2). high utilization of equipment
3). minimization of idle time
Which of these statements are correct?

Question 6

The balls of the ball bearings are manufactured from steel rods. The operations involved are.
1). Ground
2). Hot forged on hammers
3). Heat treated
4). Polished

What is the correct sequence of the above operations from start?

Question 7

In I-section of a beam subjected to transverse shear force, the maximum shear stress is developed

Question 8

The radiative heat transfer rate per unit area (W/m2) between two plane parallel gray surfaces whose emissivity is 0.9 and maintained at 400 K and 300K is _________.

Question 9

A beam with a rectangular section of 120 mm × 60 mm, designed to be placed vertically is placed horizontally by mistake. If the maximum stress is to be limited, the reduction in load carrying capacity would be

Question 10

Which one of the following statements is correct for forging?
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