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ME Set-1
Machine Design
146

Machine Design MCQ with Answers

146) The major diameter of a screw thread is also known as core or root diameter.

Yes

Unknown

None

Answer is:

No

Machine Design MCQ with Answers

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147) The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm)

1420 d

1680 d

2080 d

2840 d

Answer is:

2840 d

148) The property of a material which enables it to be drawn into wires with the application of a tensile force, is called

plasticity

elasticity

ductility

malleability

Answer is:

ductility

Explanation:

Ductility is a property of a material enabling it to be drawn into wires.

The property of a material which enables it to be drawn into wires with the application of a tensile force, is called

149) The helix angle for single helical gears ranges from

10 Degree to 15 Degree

15 Degree to 20 Degree

20 Degree to 35 Degree

35 Degree to 50 Degree

Answer is:

20 Degree to 35 Degree

150) In order to withstand resistance to wear, the best profile of gear is

14.5 Degree full depth involute tooth

20 Degree full depth involute tooth

20 Degree involute stub tooth

14.5 Degree Stub tooth

Answer is:

14.5 Degree full depth involute tooth

Machine Design MCQ with Answers

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146) The major diameter of a screw thread is also known as core or root diameter.

No

Machine Design MCQ with Answers

Related Machine Design MCQ with Answers

147) The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm)

2840 d

148) The property of a material which enables it to be drawn into wires with the application of a tensile force, is called

ductility

149) The helix angle for single helical gears ranges from

20 Degree to 35 Degree

150) In order to withstand resistance to wear, the best profile of gear is

14.5 Degree full depth involute tooth

Machine Design MCQ with Answers