Related Questions

Which of the following screw thread is adopted for power transmission in either direction?
A Acme threads
B Square threads
C Buttress threads
D Multiple threads
When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be
A Knuckle threads
B Square threads
C Acme threads
D Buttress threads
While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as
A both ends fixed
B both ends hinged
C one end fixed and other end hinged
D one end fixed and other end free.
When a class extends the Thread class ,it should override ............ method of Thread class to start that thread.
A start()
B run()
C init()
D go()
If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited
A Square
B Acme
C Buttress
D BSW
The distance a screw thread advances axially in one turn is the:
A Lead
B Pitch
C Turn
D Crest
A screw is said to be over hauling screw, if its efficiency is
A less than 50%
B more than 50%
C equal to 50%
D none of the mentioned
When the screw in a mechanical screw jack rotates, the load kept on the top of it moves
A Axially upwards
B Axially downwards
C Axially upwards or downwards
D None of these
A screw is said to be over hauling screw, if the
A Friction angle is less than helix angle
B Friction angle is more than helix angle
C Friction angle is equal to helix angle
D Efficiency of screw is 100%
A screw is said to be a self locking screw, if its efficiency is
A Less than 50%
B More than 50%
C Equal to 50%
D None of these

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