Quiz – 1

Question 1

Time: 00:00:00
The sleeve or muff coupling is designed as a

dun cylinder

dun cylinder

thick cylinder

thick cylinder

solid shaft

solid shaft

hollow shaft

hollow shaft

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Question 2

Time: 00:00:00
Screws used for power transmission should have

Low efficiency

Low efficiency

high efficiency

high efficiency

very fine threads

very fine threads

strong teeth

strong teeth

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Question 3

Time: 00:00:00
The number of rivets in shear shall be equal to the number of rivets in crushing.

Correct

Correct

Incorrect

Incorrect

none

none

both

both

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Question 4

Time: 00:00:00
When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as

angular bevel gears

angular bevel gears

crown bevel gears

crown bevel gears

internal bevel gears

internal bevel gears

mitre gears

mitre gears

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Question 5

Time: 00:00:00
The toughness of a material __________ when it is heated.

increases

increases

decreases

decreases

does not change

does not change

none of the above

none of the above

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Question 6

Time: 00:00:00
The number of slots in a 25 mm castle nut is

2

2

4

4

6

6

8

8

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Question 7

Time: 00:00:00
A screw is said to be over hauling screw, if its efficiency is

less than 50%

less than 50%

more than 50%

more than 50%

equal to 50%

equal to 50%

none of these

none of these

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Question 8

Time: 00:00:00
The application of third type levers is found in

handle of a hand pump

handle of a hand pump

hand wheel of a punching press

hand wheel of a punching press

lever of a loaded safety valve

lever of a loaded safety valve

a pair of tongs

a pair of tongs

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Question 9

Time: 00:00:00
For unequal width of butt straps, the thickness of butt straps are

0.75 t for wide strap on the inside and 0.625 t for narrow strap on the outside

0.75 t for wide strap on the inside and 0.625 t for narrow strap on the outside

0.75 t for narrow strap on the inside and 0.625 t for wide strap on the outside

0.75 t for narrow strap on the inside and 0.625 t for wide strap on the outside

0.75 t for both the straps on the inside and outside

0.75 t for both the straps on the inside and outside

0.625 t for both the straps on the inside and outside

0.625 t for both the straps on the inside and outside

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Question 10

Time: 00:00:00
In second type of lovers,

load is in between the fulcrum and effort

load is in between the fulcrum and effort

effort is in between the fulcrum and load

effort is in between the fulcrum and load

fulcrum is in between the load and effort

fulcrum is in between the load and effort

none of these

none of these

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["0","40","60","80","100"]
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June 27, 2019