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Elements_05

📌 Are you interested in expanding your knowledge about machine design elements? Look no further! Our comprehensive collection of 50 thought-provoking questions is designed to enhance your understanding and stimulate your mind. Dive into the fascinating world of machine design and discover new insights that will sharpen your expertise. Get ready to challenge yourself and elevate your knowledge to new heights!

Elements_05

50問 • 1年前📌 Are you interested in expanding your knowledge about machine design elements? Look no further! Our comprehensive collection of 50 thought-provoking questions is designed to enhance your understanding and stimulate your mind. Dive into the fascinating world of machine design and discover new insights that will sharpen your expertise. Get ready to challenge yourself and elevate your knowledge to new heights!

Jacky Shane Luyas Buhia

問題一覧

1

A mechanism that usually do the indexing in a machine tool:

C. Dividing head

2

The smallest area at the point of rupture of a tensile specimen divided by the original area is called:

D. Percentage reduction of area

3

The property that characterizes a material ability to be drawn onto a wire:

A. Ductility

4

Which of the following is not pertaining to the joining of metals?

C. Casting

5

Which of the following is not a heat treatment process?

A. Sintering

6

An instrument used to analyse the composition of metals:

A. Spectrometer

7

Non-ferrous filler metal is melted into grooves or as fillet on the mother metal; the base metal is not melted. This is commonly used for joining iron based machine parts or in repair works of some materials. It is called:

B. Braze welding

8

What is the common shop practice to prevent solder from running way from surface to be joined?

D. All of these

9

The product of the resultant of all forces acting on a body and the time that the resultant acts:

C. Linear impulse

10

How do you call a load that is applied transversely to longitudinal axis of member?

C. Bending load

11

Which of the following is a unit of energy?

A. Ft-lb

12

A hydrostatic bearing is one which:

A. Lube oil is supplied under pressure

13

An externally threaded fastener intended to be used with nut is said to be a:

A. Bolt

14

What is the other term for the Maximum-Shear-Stress Theory, as a failure prediction theory?

B. Tresca yield criterion

15

What is a form of correction that develops on highly localized areas on a metal surface?

D. Apitting

16

What are the stated maximum and minimum directions?

B. Limits

17

In a lathe machine, how do you call the diameter of the largest workpiece that can be rotated in a chuck or between centers without hitting the bed?

B. Swing

18

What do you call a type of bolt threaded on both ends and can be used where a through bolt is impossible?

C. Stud bolt

19

A flexible coupling consists of essentially of two chain sprockets connected with short continuous length of roller or silent chains.

A. Chain coupling

20

The most known lubricants being utilized in whatever category of load and speed are oil, air, grease and dry lubricants like:

D. Graphite

21

Steel containing large amounts of mild nickel and chromium:

C. Stainless steel

22

A kind of bolts which has no head an instead has threads on both ends.

A. Stud bolts

23

A kind of chuck which has reversible jaws which could be adjusted separately.

B. Independent chuck

24

A tool which when pressed into a finished hole in a piece of work, provides centers on which the piece maybe turned or otherwise machined.

C. Mandrel

25

A machine tool is a power-driven machine, capable of

D. doing all the above functions

26

Dovetail ways are used in

C. milling machines

27

A kinematic chain needs a minimum:

C. 4 links and 4 turning pairs

28

How many links are there in a pantograph?

B. 4

29

Which of the following is the best process for butt welding of two plates each of which is 25 mm thick?

A. Electro slag welding

30

What tool is used in foundry for repeating the mould?

A. Swab

31

The column splice is used for increasing:

B. Length of the column

32

A cone formed by elements which are perpendicular to the elements of the pitch cone at the large end

B. Back cone

33

A gear is one in which angle is 90 degrees that is the pitch cone has become a plane

A. Crown gear

34

A material that should be avoided in constructing wood pattern:

A. Sap wood

35

What is the moment of inertia of a rectangle about its base?

B. bh³ / 3

36

The hardness of steel increases if it contains:

A. Martensite

37

How do you call a steel with 0.8% carbon and 100% pearlite?

D. Eutectoid

38

What is the range of the tensile strength of common varieties of cast iron?

B. 150 - 180 Mpa

39

Fatigue failure occurs when a part is subjected to:

D. Fluctuating stress

40

Paramagnetic alpha iron changes to gamma iron at what temperature?

B. 910°C

41

The diameter of the washer is generally:

B. Slightly more than the diameter of the bolt

42

The compression members tend to buckle in the direction of:

C. Least radius of gyration

43

A kinematic chain needs a minimum:

C. 4 links and 4 turning pairs

44

Which of the following pairs is formed if shaft is revolving in a bending?

A. Lower pair

45

How many links are there in a pantograph?

B. 4

46

A pantograph is a mechanism having:

A. Lower pairs

47

Which of the following describes the “slip” in belt drive?

D. Difference between the linear speed of the rim of pulley and the belt on it

48

Which of the following is the orientation of the axes of the two shafts in cross helical worm?

D. Non-parallel and non-intersecting

49

In case of gears the addendum is given by:

A. One module

50

How do you call a cam where in the follower reciprocates or oscillates in a plane parallel to its axis?

C. Cylindrical cam

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問題一覧

1

A mechanism that usually do the indexing in a machine tool:

C. Dividing head

2

The smallest area at the point of rupture of a tensile specimen divided by the original area is called:

D. Percentage reduction of area

3

The property that characterizes a material ability to be drawn onto a wire:

A. Ductility

4

Which of the following is not pertaining to the joining of metals?

C. Casting

5

Which of the following is not a heat treatment process?

A. Sintering

6

An instrument used to analyse the composition of metals:

A. Spectrometer

7

Non-ferrous filler metal is melted into grooves or as fillet on the mother metal; the base metal is not melted. This is commonly used for joining iron based machine parts or in repair works of some materials. It is called:

B. Braze welding

8

What is the common shop practice to prevent solder from running way from surface to be joined?

D. All of these

9

The product of the resultant of all forces acting on a body and the time that the resultant acts:

C. Linear impulse

10

How do you call a load that is applied transversely to longitudinal axis of member?

C. Bending load

11

Which of the following is a unit of energy?

A. Ft-lb

12

A hydrostatic bearing is one which:

A. Lube oil is supplied under pressure

13

An externally threaded fastener intended to be used with nut is said to be a:

A. Bolt

14

What is the other term for the Maximum-Shear-Stress Theory, as a failure prediction theory?

B. Tresca yield criterion

15

What is a form of correction that develops on highly localized areas on a metal surface?

D. Apitting

16

What are the stated maximum and minimum directions?

B. Limits

17

In a lathe machine, how do you call the diameter of the largest workpiece that can be rotated in a chuck or between centers without hitting the bed?

B. Swing

18

What do you call a type of bolt threaded on both ends and can be used where a through bolt is impossible?

C. Stud bolt

19

A flexible coupling consists of essentially of two chain sprockets connected with short continuous length of roller or silent chains.

A. Chain coupling

20

The most known lubricants being utilized in whatever category of load and speed are oil, air, grease and dry lubricants like:

D. Graphite

21

Steel containing large amounts of mild nickel and chromium:

C. Stainless steel

22

A kind of bolts which has no head an instead has threads on both ends.

A. Stud bolts

23

A kind of chuck which has reversible jaws which could be adjusted separately.

B. Independent chuck

24

A tool which when pressed into a finished hole in a piece of work, provides centers on which the piece maybe turned or otherwise machined.

C. Mandrel

25

A machine tool is a power-driven machine, capable of

D. doing all the above functions

26

Dovetail ways are used in

C. milling machines

27

A kinematic chain needs a minimum:

C. 4 links and 4 turning pairs

28

How many links are there in a pantograph?

B. 4

29

Which of the following is the best process for butt welding of two plates each of which is 25 mm thick?

A. Electro slag welding

30

What tool is used in foundry for repeating the mould?

A. Swab

31

The column splice is used for increasing:

B. Length of the column

32

A cone formed by elements which are perpendicular to the elements of the pitch cone at the large end

B. Back cone

33

A gear is one in which angle is 90 degrees that is the pitch cone has become a plane

A. Crown gear

34

A material that should be avoided in constructing wood pattern:

A. Sap wood

35

What is the moment of inertia of a rectangle about its base?

B. bh³ / 3

36

The hardness of steel increases if it contains:

A. Martensite

37

How do you call a steel with 0.8% carbon and 100% pearlite?

D. Eutectoid

38

What is the range of the tensile strength of common varieties of cast iron?

B. 150 - 180 Mpa

39

Fatigue failure occurs when a part is subjected to:

D. Fluctuating stress

40

Paramagnetic alpha iron changes to gamma iron at what temperature?

B. 910°C

41

The diameter of the washer is generally:

B. Slightly more than the diameter of the bolt

42

The compression members tend to buckle in the direction of:

C. Least radius of gyration

43

A kinematic chain needs a minimum:

C. 4 links and 4 turning pairs

44

Which of the following pairs is formed if shaft is revolving in a bending?

A. Lower pair

45

How many links are there in a pantograph?

B. 4

46

A pantograph is a mechanism having:

A. Lower pairs

47

Which of the following describes the “slip” in belt drive?

D. Difference between the linear speed of the rim of pulley and the belt on it

48

Which of the following is the orientation of the axes of the two shafts in cross helical worm?

D. Non-parallel and non-intersecting

49

In case of gears the addendum is given by:

A. One module

50

How do you call a cam where in the follower reciprocates or oscillates in a plane parallel to its axis?

C. Cylindrical cam