Few Important Questions on TOM :

Q1-Klein's construction can be used when
(a) crank has a uniform angular velocity
(b) crank has non uniform velocity
(c) crank has uniform angular acceleration
(d) crank has uniform angular velocity and angular acceleration

Q2-The sense of Corioli's component is such that it
(a) leads the sliding velocity vector by 90°
(b) lags the sliding velocity vector by 90°
(c) is along the sliding velocity vector
(d) leads the sliding velocity vector by 180°

Q3-The number of links and instantaneous centers in a reciprocating engine mechanism are
(a) 4, 4
(b) 4, 5
(c) 5, 4
(d) 6, 4
(e) 4, 6

Q4-A kinematic chain requires at least
(a) 2 links and 3 turning pairs
(b) 3 links and 4 turning pairs
(c) 4 links and 4 turning pairs
(d) 5 links and 4 turning pairs

Q5-A slider crank chain consists of following numbers of turning and sliding pairs
(a) I, 3
(b) 2, 2
(c) 3, 1
(d) 4, 0

Q6-Whitworth quick return mechanism is obtained by inversion of
(a) slider crank mechanism
(b) kinematic chain
(c) five link mechanism
(d) roller cam mechanism

Q7-A chain comprises of 5 links having 5 joints. Is it kinematic chain ?
(a) yes
(b) no
(c) it is a marginal case
(d) data are insufficient to determine it

Q8-Peaucellier mechanism has
(a) eight links
(b) six links
(c) four links
(d) twelve links

Q9-Higher pairs are those which have
(a) point or line contact between the two elements when in motion
(b) surface contact between the two ele¬ments when in motion
(c) elements of pairs not held together mechanically
(d) two elements that permit relative motion

Q10-A pantograph is a mechanism with
(a) lower pairs
(b) higher pairs
(c) rolling pairs
(d) turning pairs

Q11-A point on a link connecting double slider crank chain traces a
(a) straight line
(b) circle
(c) parabola
(d) hyperbola
(e) ellipse.

Q12-Typewriter constitutes
(a) machine
(b) structure
(c) mechanism
(d) inversion

Q13-To transmit power from one rotating shaft to another whose axes are neither parallel nor intersecting, use
(a) spur gear
(b) spiral gear
(c) bevel gear
(d) worm gear

Q14-The number of links in pantograph mechanism is equal to
(a) 2
(b) 3
(c) 4
(d) 5

Q15-Ackermann steering gear consists of
(a) sliding pairs
(b) turning pairs
(c) rolling pairs
(d) higher pairs

Q16-Davis steering gear consists of
(a) sliding pairs
(b) turning pairs
(c) rolling pairs
(d) higher pairs

Q17-Which of the following would constitute a link
(a) piston, piston rings and gudgeon pin
(b) piston, and piston rod
(c) piston rod and cross head
(d) piston, crank pin and crank shaft
(e) piston, piston rod and cross head
.
Q18-If there are L number of links in a mechanism then number of possible inversions is equal to
(a) L + 1
(b) L- 1
(c) L
(d) L + 2

Q19-The maximum value of the pressure angle in case of cam is kept as
(a) 10°
(b) 14°
(c) 20°
(d) 30°