Related Questions

A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a
A structure
B mechanism
C kinematic chain
D inversion
The example of completely constrained motion is a
A Motion of a piston in the cylinder of a steam engine
B Motion of a square bar in a square hole
C Motion of a shaft with collars at each end in a circular hole
D All of the above
The motion between a pair which takes place in __________ is known as incompletely constrained motion.
A One direction only
B Two directions only
C More than one direction
D None of these
The example of successfully constrained motion is a
A motion of an I.C. engine valve
B motion of the shaft between a foot-step bearing
C piston reciprocating inside an engine cylinder
D all of the mentioned
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 a part is constrained to move and heated, it will develop
A Principal stress
B Tensile stress
C Compressive stress
D Shear stress
Pipe P can fill and empty tank in 4 hours but pipe Q can completely empty the same tank in 8 hours. But the pipes were opened alternately after every two hours starting with pipe P then in how many hours, the tank was completely filled ?
A 6 hours
B 5 hours
C 10 hours
D 12 hours
Forty tiles of dimensions 1 foot * 2 foot each are required to completely cover a floor. How many tiles of dimensions 2 foot * 4 foot each would be required to completely cover the same floor?
A 10
B 20
C 80
D 160
What is the amount of equal installment , if a sum of TK. 1428 due 2 years hence has to be completely has to be completely repaid in 2 equal annual installments starting next year?
A TK. 700
B Tk. 800
C Tk. 650
D cannot be determined
An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's
A First law
B Second law
C Third law
D Fourth law

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