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ESE ME 2018 Exam: Practice Quiz 11
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Question 1
Consider the following statements about medium carbon steel:
(1) It can be quench-hardened but not case-hardened
(2) It cannot be quench-hardened but case-hardening can be done
(3) It exhibits distinct yield point under tension test
Which of these statements are correct?
(1) It can be quench-hardened but not case-hardened
(2) It cannot be quench-hardened but case-hardening can be done
(3) It exhibits distinct yield point under tension test
Which of these statements are correct?
Question 2
Consider the following statements:
1) The air standard efficiency of an Otto cycle is a function of the properties of the working substance (gas)
2) For the same compression ratio and same input, the thermal efficiency of an Otto cycle is more than that of a Diesel cycle
3) The thermal efficiency of a Diesel cycle increases with decrease of cut-off ratio
Which of the above statements are correct?
1) The air standard efficiency of an Otto cycle is a function of the properties of the working substance (gas)
2) For the same compression ratio and same input, the thermal efficiency of an Otto cycle is more than that of a Diesel cycle
3) The thermal efficiency of a Diesel cycle increases with decrease of cut-off ratio
Which of the above statements are correct?
Question 3
Consider the following statements:
Helical gears may be designed in applications where gears are to be mounted on
1) Non-parallel shafts.
2) Parallel shafts.
3) Intersecting shafts.
4) Non-parallel and non-intersecting shafts.
Which of these statements is/are correct?
Helical gears may be designed in applications where gears are to be mounted on
1) Non-parallel shafts.
2) Parallel shafts.
3) Intersecting shafts.
4) Non-parallel and non-intersecting shafts.
Which of these statements is/are correct?
Question 4
In power transmission shafts, if the polar moment of inertia of a shaft is doubled, then what is the torque required to produce the same angle of twist?
Question 5
Stresses in a screw thread are estimated by considering the thread to be
Question 6
In the EOQ model, if the unit ordering cost is doubled, the EOQ
Question 7
A satellite floats in deep space with very high velocity. It will continuoiusly lose heat by
Question 8
The stability of a floating body is obtained when its
Question 9
Extrusion process can effectively reduce the cost of product through
Question 10
If a piece of material neither expands nor contracts in volume when subjected to stress, then the Poisson’s ratio must be
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ESE & GATE MEGeneralDec 1ESE & GATE ME