Related Questions

If a spring is cut down into two springs, the stiffness of cut springs will be
A Half
B Same
C Double
D None of the above
A flat-bed plotter uses a pen which moves in two directions across a piece of paper fixed on a flat-bed. Can you tell who controls the movements of this pen?
A microfilm
B microfiche
C film card
D COM
E None of the above
What is the name of the most ancient spiral galaxy that existed 11 billion years ago?
A A1689 B01
B A1689 B10
C A1689 B20
D A1689 B11
Due to circumferential action of the spiral in a spirally reinforced column
A Capacity of column is decreased
B Ductility of column reduces
C Capacity of column is decreased but ductility of column increases
D Both the capacity of column and ductility of column increase
The maximum efficiency of spiral gears is (where $$\theta $$ = Shaft angle and $$\varphi $$ = Friction angle)
A $$\frac{{\sin \left( {\theta + \varphi } \right) + 1}}{{\cos \left( {\theta - \varphi } \right) + 1}}$$
B $$\frac{{\cos \left( {\theta - \varphi } \right) + 1}}{{\sin \left( {\theta + \varphi } \right) + 1}}$$
C $$\frac{{\cos \left( {\theta + \varphi } \right) + 1}}{{\cos \left( {\theta - \varphi } \right) + 1}}$$
D $$\frac{{\cos \left( {\theta - \varphi } \right) + 1}}{{\cos \left( {\theta + \varphi } \right) + 1}}$$
Folk music may be described as that type of ancient music, which springs from the heart of a community, based on their natural style of expression uninfluenced by the rules of classical music and modern popular songs. As per the excerpt, which of the following is not true about folk music? Folk music
A is old
B has no rules
C originates from people's heart
D is not impacted by pop songs
In leaf springs, the longest leaf is known as
A Master leaf
B Lower leaf
C Upper leaf
D None of these
The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that
A It is subjected to a higher cyclic loading than the outer side
B It is subjected to a higher stress than the outer side
C It is more stretched than the outer side during the manufacturing process
D It has a lower curvature than the outer side
The springs in brakes and clutches are used to
A To apply forces
B To measure forces
C To store strain energy
D To absorb shocks
Two closely coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is half that of spring 'B'. The ratio of deflections in spring 'A' to spring 'B' is
A $$\frac{1}{8}$$
B $$\frac{1}{4}$$
C $$\frac{1}{2}$$
D 2

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