Related Questions

stand next to the lamppost and face west ,walk 20 yards and then turn 90 degrees clockwise. Walk another 10 yards and then turn 45 degrees anticlockwise. Walk another 15 yards, reverse you direction and walk 5 yards back. Turn 135 degrees clockwise and walk another 10 yards . In which direction are you now facing?
A West
B East
C South
D North
When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a
A Screw pair
B Spherical pair
C Turning pair
D Sliding pair
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)
In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.
A Equal to
B Twice
C Three times
D Four times
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 pair is known as a higher pair, when the relative motion between the elements of a pair is
A turning only
B sliding only
C rolling only
D partly turning and partly sliding
Comets revolve around ________
A Sun
B Earth
C Venus
D No single heavenly body
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 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

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