Cap screws are

A Similar to small size tap bolts except that a greater variety of shapes of heads are available
B Slotted for a screw driver and generally used with a nut
C Used to prevent relative motion between parts
D Provided with detachable caps

Correct Answer: Similar to small size tap bolts except that a greater variety of shapes of heads are available

Bissoy MCQ
#Mechanical Engineering #Machine Design

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Screws used for power transmission should have
A low efficiency
B high efficiency
C very fine threads
D strong teeth
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B Slotted for a screw driver and generally used with a nut
C Used to prevent relative motion between parts
D Similar to stud
Machine screws are
A Similar to small size tap bolts except that a greater variety of shapes of heads are available
B Slotted for a screw driver and generally used with a nut
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D Similar to stud
Which of the following statement is correct regarding power screws?
A The efficiency of a self locking screw can not be more than 50%
B The efficiency of Acme (trapezoidal) thread is less than that of a square thread
C If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50%
D Both (A) and (B)
Ball bearing type screws are found in following application
A Screw jack
B Aeroplane engines
C Crane
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Screws are specified by their __________ diameters.
A Minor
B Major
C Pitch
D None of these
I asked him if I---borrow his cap for a day. (Fill in the gaps)
A will
B could
C can
D should
`Cap it all' Means-
A To cover everything
B To finish
C To occur
D To seize everything
His cap is better than __________.
A me
B I
C us
D mine
Each cell has a vent cap
A to allow gases out when the cell is on charge
B to add water to the cell if needed
C to check the level of electrolyte
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