Related Questions

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
When the nature of contact between the elements of a pair is such that it can only slide relative to the other, the pair is known as a
A Screw pair
B Spherical pair
C Turning pair
D Sliding pair
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.
Pharmacists recently conducted a study with respect to the reasons their customers purchased eye drops to soothe eye dryness. Dry eyes were more frequently experienced by customers who wore contact lenses than by custorners who did not wear contact lenses. The pharmacists concluded that wearing contact lenses, by itself, can cause contact wearers to have dry eyes.
A An inherited condition can cause both weak eyesight and dry eyes
B Physical exertion causes dry eyes in many people who wear contact lenses.
C Most people who have dry eyes do not wear contact lenses.
D Most people who wear contact lenses do not have dry eyes.
When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a
A lower pair
B higher pair
C self-closed pair
D force-closed pair
Identify the sentence in which the word element (s) refers to 'suitable or favourable environment. (1) There is an element of truth in your story. (2) Water is composed of elements of hydrogen and oxygen. (3) I feel out of my elements in political discussions. (4) Water is a natural element for fish
A (4)
B (3)
C (1) and (2)
D (1)
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
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
The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as
A turning pair
B rolling pair
C sliding pair
D spherical pair
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

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