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ESE ME 2018 Exam: Practice Quiz 9

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Question 1

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): When a given body floats in different liquids, the volume displaced will decrease with increase in the specific gravity of the fluid
Statement (II): The weight of the floating body is equal to the weight of the volume displaced

Question 2

A system of 100 kg mass undergoes a process in which its specific entropy increases from 0.3 kJ/kg K to 0.4 kJ/kg K. At the same time, the entropy of the surroundings decreases from 80 kJ/K to 75 kJ/K. The process is:

Question 3

An oil flows through a pipe at a velocity of 1.0 m/s. The pipe is 45 m long and has 150 mm diameter. What is the head loss due to friction, if and

Question 4

A wall as shown below, is made up of two layers (A) and (B). The temperature are also shown in the sketch. The ratio of thermal conductivity of two layers is =2

What is the ratio of thickness of two layers?

Question 5

Consider the following statements with respect to flow diagram in work study :
1) Movement of machines is drawn in flow diagram.
2) Movement of men is drawn in flow diagram.
3) In flow diagram, all movements are drawn true to scale.
Which of the above statements are correct?

Question 6

If the dynamic load capacity of a ball bearing is increased to 1.5 times its earlier value without changing its equivalent load, the life of the bearing increases to

Question 7

For taper turning on central lathes, the method of swiveling the compound rest is preferred for

Question 8

A steel rod of cross-sectional area 10 mm2
Is subjected to loads at points P, Q, R and S as shown in the figure below:

If Esteel = 200 GPa, the total change in length of the rod due to loading is

Question 9

The advantages of involute profile over cycloidal are given below. Which of these is NOT correct?

Question 10

The higher calorific value of fuel occurs when water vapour
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