Online Mechanical Engineering Test - Machine Design Test 1
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- Total number of questions: 20.
- Time allotted: 30 minutes.
- Each question carries 1 mark; there are no negative marks.
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Marks : 2/20
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Test Review : View answers and explanation for this test.
The application of third type levers is found in
Which of the following statement is correct for gears?
The surface finish factor for a mirror polished material is
18/8 steel contains
The yield point in static loading is __________ as compared to fatigue loading.
A single strap butt joint is always in __________ shear.
A machine part subjected to __________ is called a strut.
A shoe brake is commonly used in railway trains.
The minor diameter of a screw thread is also known as outside or nominal diameter.
The effective stress in wire ropes during normal working is equal to the stress due to
The velocity factor for ordinary cut gears operating at velocities upto 12.5 m/s is equal to
A basic shaft is one whose
In a sawn nut, a slot is cut about half way through the nut and a small screw is tightened between the nut and the bolt in order to produce more friction.
When the screw in a mechanical screw jack rotates, the load kept on the top of it moves
Creep in belt is due to
A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ . The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be
Deep groove ball bearings are used for
A cotter joint is used to connect two __________ rods.
Teflon is used for bearings because of
A steel containing upto 0.15% carbon is known as
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