34) The constant factor in case of R10 series of preferred numbers is

1.06

1.12

1.26

1.58

Answer is:

1.26

Machine Design MCQ with Answers

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35) The pipe joint mostly used for pipes carrying water at low pressures is

socket joint

nipple joint

union joint

spigot and socket joint

Answer is:

socket joint

36) According to Guest's theory, the failure occurs at a point in a member when the maximum shear stress in a bi-axial stress system reaches the shear stress at elastic limit in simple tension test.

Right

Wrong

Answer is:

Right

37) Surface endurance limit of gear material is dependent upon its

elastic strength

yield strength

brinell hardness number

toughness

Answer is:

brinell hardness number

38) In a hydrodynamic lubricated bearing

there is a thick film of lubricant between the journal and the bearing

there is a thin film of lubricant between the journal and the bearing

there is no lubricant between the journal and the bearing

the lubricant is forced between the journal and the bearing, by external pressure

Answer is:

there is a thick film of lubricant between the journal and the bearing

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34) The constant factor in case of R10 series of preferred numbers is

1.26

Machine Design MCQ with Answers

Related Machine Design MCQ with Answers

35) The pipe joint mostly used for pipes carrying water at low pressures is

socket joint

36) According to Guest's theory, the failure occurs at a point in a member when the maximum shear stress in a bi-axial stress system reaches the shear stress at elastic limit in simple tension test.

Right

37) Surface endurance limit of gear material is dependent upon its

brinell hardness number

38) In a hydrodynamic lubricated bearing

there is a thick film of lubricant between the journal and the bearing

Machine Design MCQ with Answers