Related Questions

If threads on a bolt are left hand, threads on nut will be
A Right hand with same pitch
B Left hand with same pitch
C Could be left or right hand
D Right hand with fine pitch
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
For standard coarse threads of nut, the threads will be as strong in failure by shear as the bolt in tension, if the height of nut (h) is approximately
A 0.4 times
B 0.6 times
C 0.7 times
D 0.8 times
Their cells have a very well defined nucleus ,in which nuclear material (chromosomes or DNA) is enclosed in double nuclear membrane.
A Prokaryotes
B Bacterial
C Viral
D Eukaryotes
Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.
A Chemical properties
B Physical properties
C Degree of turbulence
D Interfacial area
For multicomponent multiple phases to be in equilibrium at the same pressure and temperature, the __________ of each component must be same in all phases.
A Chemical potential
B Fugacity
C Both A and B
D Neither A nor B
Which of the following has threads at both ends?
A Bolt
B Tap bolt
C Stud
D None of these
Applications in which stresses are encountered in one direction only uses following type of threads
A Metric
B Buttress
C Acme
D Square
Multiple threads are used to secure
A low efficiency
B high efficiency
C high load lifting capacity
D high mechanical advantage
Nylon threads are made of
A Polyester polymer
B Polyamide polymer
C Polyvinyl polymer
D Polysaccharide

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